Discover the World’s Most Unique Scientific Tourist Attraction: A Hidden Gem!

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Unique Tourist Attractions: Exploring the Niche

The Earth is vast, populated with a diverse range of interests. Here at Feedback, we have a penchant for unique tourist attractions along America’s scenic highways — such as the world’s largest collection of miniature representations of the world’s biggest objects.

Recently, science historian Richard Fallon drew our attention to what is likely the world’s only sculpture park dedicated to foraminifera. For those unfamiliar, foraminifera are single-celled organisms, primarily ocean dwellers with hard outer shells. Their fossil record is abundant and detailed, as they are preserved in vast quantities.

Located in Zhongshan, China, this Foraminifera Sculpture Park opened in 2009, and we acknowledge our delayed recognition of it. Nestled in a hillside park, visitors can stroll through 114 large sculptures. Describing these works is challenging without diving into terminology for irregular three-dimensional forms, but fans of Barbara Hepworth’s curvilinear sculptures might find some familiarity here.

On TripAdvisor, the Foraminifera Sculpture Park boasts a 5-star rating, albeit from a single review by a user named Eudyptes—who seems to have a specific fondness for foraminifera sculptures. Eudyptes is the scientific classification for the crested penguin.

We’d love more testimony about this attraction. Unfortunately, our editorial team turned down our request to visit China solely for this purpose, as well as a proposed visit to the Slavic International Toilet Museum in New Delhi.

On that note, we invite our readers to share any scientifically inclined sites that might be even more niche. Just to clarify, we are not seeking suggestions for popular attractions like the Icelandic Penis Museum or the British Vagina Museum. Maybe a unique museum focused solely on moss or Western blot images exists?

Humor in Scientific Research

It’s not uncommon for academics to incorporate humor in their paper titles, but referring to them in abstracts is rare. Typically, abstracts summarize key study points in about 200 words, varying from concise brilliance to confusing jargon.

However, physicist Leonard Susskind submitted a paper to arXiv titled “Is time reversal in de Sitter space a spontaneously broken gauge symmetry?” His summary includes an intriguing answer: “Yes, but with a twist: Time reversal is indeed a gauge symmetry, albeit hidden by spontaneous symmetry breaking.”

While the last part might puzzle many, we were particularly drawn to Susskind’s acknowledgment of his colleagues for their ongoing discussions. He humorously noted, “I’m almost 86 years old and I can’t wait for my readers to catch up.” His insightful summaries have landed on our list of favorite academic summaries, proving that humor can make complex subjects more relatable.

A Missed Opportunity

We owe our readers a heartfelt apology for an oversight. A few weeks back, we critiqued accounting firm PwC’s venture into estimating the moon’s future economy. We expressed skepticism about monetizing lunar assets, but reader Alex Collier raised an intriguing question: Could this entrepreneurial spirit imply the moon is actually made of cheddar?

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Discovering New Forms of Matter Hidden in the Depths of Uranus and Neptune

Recent computational simulations indicate that icy giant planets like Uranus and Neptune may contain quasi-one-dimensional superionic carbon hydrides. This groundbreaking discovery could change how scientists perceive planetary interiors.



Diagram depicting hexagonal hydrocarbon compounds anticipated under conditions similar to those in Neptune. In this framework, carbon forms the outer helical chain (yellow), while hydrogen forms the inner helical chain (blue), aligning with the quasi-one-dimensional superionic behavior suggested by simulations. Image credit: Cong Liu.

Density measurements of Uranus and Neptune reveal that these colossal planets possess an unusual, hot, icy interlayer situated beneath an atmospheric envelope of hydrogen and helium, and above a rocky core.

While these layers are believed to comprise water, methane, and ammonia, extreme internal conditions likely result in exotic phases.

The physics associated with these high-pressure, high-temperature regions can lead to unconventional states of matter, prompting theorists and experimentalists to predict and recreate the phenomena they might encounter.

Dr. Cong Liu and colleagues at the Carnegie Institution for Science employed advanced computing and machine learning to conduct quantum physics simulations of hydrogenated carbon at pressures ranging from about 5 million to 30 million times atmospheric pressure (5-3,000 gigapascals) and temperatures of 4,000-6,000 K.

These simulations indicated the development of an ordered hexagonal framework where hydrogen atoms traverse helical paths, resulting in a quasi-one-dimensional superionic state.

Superionic materials are remarkable as they exist in a unique state between solids and liquids. Atoms of one type maintain their crystal arrangement, while atoms of another type gain mobility.

“This newly predicted carbon-hydrogen phase is particularly noteworthy because the movement of atoms isn’t entirely three-dimensional,” explained Dr. Ronald Cohen, also from the Carnegie Institution for Science.

“Rather, hydrogen preferentially migrates along distinct helical paths contained within the organized carbon structure.”

The direction of this atomic motion significantly influences heat and electrical transport within the planet’s interior.

This behavior has implications for understanding internal energy redistribution, electrical conductivity, and potentially the generation of magnetic fields in ice giants.

Additionally, this discovery broadens our comprehension of how simple compounds behave under extreme conditions and suggests that even basic systems can remarkably organize into complex phases.

“Carbon and hydrogen are prevalent in planetary materials, yet their combined behavior under giant planetary conditions remains poorly understood,” Dr. Liu remarked.

These findings are published in a study in Nature Communications dated March 16th.

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C. Liu et al. “Prediction of thermally driven quasi-one-dimensional superionic state of hydrogenated carbon under giant planetary conditions.” Nat Commun, published online on March 16, 2026. doi: 10.1038/s41467-026-70603-z

Source: www.sci.news

Discovering a Mysterious Magma and Sulfur Planet Hidden in the Milky Way

Recent findings on L 98-59d, part of the five-planet system L 98-59, indicate that this intriguing exoplanet may host an extensive global magma ocean, effectively trapping sulfur deep within its interior. This discovery introduces a previously unidentified category of extraterrestrial worlds.

Artist’s impression of planetary system L 98-59. Image credit: Mark A. Garlick / markgarlick.com.

The distant L 98-59 system lies approximately 34.5 light-years away in the southern constellation Bootes.

Known as TOI-175 or TIC 307210830, this bright M dwarf star has a mass roughly one-third that of the Sun.

This intriguing planetary system features at least three transiting planets and two non-transiting planets: L 98-59b, L 98-59c, L 98-59d, L 98-59e, and L 98-59f.

L 98-59d completes an orbit around its parent star every 7.5 days and is about 1.6 times larger than Earth, receiving approximately four times the radiant energy of our planet.

A recent study led by astronomer Harrison Nichols from the University of Oxford aimed to reconstruct the planetary history of this super-Earth, tracing its evolution from its formation nearly 5 billion years ago.

By correlating telescope observations with comprehensive physical models of the planet’s interior and atmosphere, the research team gained insights into the planet’s deep geological processes.

The findings suggest that L 98-59d possesses a mantle of molten silicate similar to Earth’s lava, underpinned by a vast global magma ocean that extends for thousands of kilometers.

This massive molten reservoir enables L 98-59d to store significant amounts of sulfur within its interior over geological timescales.

Moreover, the magma ocean assists in retaining a hydrogen-rich atmosphere laden with sulfur compounds like hydrogen sulfide, which is typically lost to space due to X-ray radiation emitted by the host star.

Over billions of years, the interplay between its molten interior and atmosphere has sculpted L 98-59d into the striking world observed today.

Researchers propose that L 98-59d may represent the inaugural example of a newly identified category of gas-rich sulfur exoplanets that sustain long-lived magma oceans. If validated, this could greatly expand our understanding of planetary diversity in the galaxy.

“This discovery highlights that the current classifications of small planets may be overly simplistic,” remarked Dr. Nichols.

“While this molten world is unlikely to support life, it showcases the vast array of planets beyond our solar system. What other types of celestial bodies remain undiscovered?”

For more details, refer to the study published in today’s edition of Nature Astronomy.

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H. Nichols et al. Evolution of a volatile-rich molten super-Earth L 98-59d. Nat Astron, published online March 16, 2026. doi: 10.1038/s41550-026-02815-8

Source: www.sci.news

Identifying the Hidden Dark Empath in Your Life: A Complete Guide

Empathy is widely viewed as a valuable trait. We nurture empathy in children to foster their ability to understand others’ emotions and offer support when necessary.

Research consistently highlights the advantages of empathy, contributing to strong social and interpersonal skills. However, what happens when this empathy is exploited? This leads us to the intriguing concept of the dark empath.







What is a Dark Empath?

To comprehend dark empaths, it’s essential first to grasp the concept of the dark triad.

The dark triad encompasses three personality traits: narcissism (an inflated sense of entitlement and grandiosity), psychopathy (marked by lack of remorse, superficial charm, and impulsiveness), and Machiavellianism (manipulative and strategic behaviors).

Now, envision someone who embodies all three of these traits while simultaneously possessing a high degree of empathy. This person is known as a dark empath.

A dark empath has a keen understanding of others’ emotions, yet instead of empathizing, they manipulate, guilt, or control them – Photo credit: Getty

The key distinction between Dark Triad individuals and Dark Empaths is that the latter can truly understand others’ emotions. While this may sound favorable, it’s detrimental when empathy is wielded as a tool for manipulation.

Dark empaths do not merely show increased general empathy; they often excel in specific forms of empathy.

Research identifies three distinct types of empathy:

  1. Emotional Empathy: The capacity to feel what another person is experiencing (e.g., tearing up while watching a touching film).
  2. Cognitive Empathy: Understanding another person’s emotional state without necessarily feeling the same emotion (for instance, recognizing someone’s distress after watching a sad movie).
  3. Compassionate Empathy: Comprehending someone’s feelings and actively helping them (like hugging someone who is sobbing after a sorrowful film).

Dark empaths can be particularly perilous due to their high level of cognitive empathy, which enables them to discern what others feel and require. This knowledge can then be manipulated to exploit others’ vulnerabilities for their gain.

Unlike their Dark Triad counterparts, Dark Empaths often exude an extroverted charm and appear likable in social contexts. Their exceptional social skills make them difficult to identify, fostering trust—a lethal combination.

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How to Identify a Dark Empath

So, how can you determine if someone you know is a dark empath? Look for individuals who excel at reading emotions but mainly utilize this skill for self-serving purposes rather than to offer genuine support.

Specific signs that may indicate someone is a dark empath include:

  • Their kindness feels insincere
  • They manipulate others for their own advantage
  • They possess strong social skills
  • They instill guilt or play on your insecurities

While these are not definitive indicators of a dark empath, they are cautionary signals worth noting.

Ultimately, it’s important to nurture and appreciate empathy while being vigilant about the motives behind it.

Do their intentions truly seem altruistic, or do they have hidden agendas?


This article (by Carol Steger, Colorado) addresses the inquiry: “What defines a dark empath?”

If you have any questions, please reach out to us at: questions@sciencefocus.com or message us on Facebook, Twitter, or Instagram (make sure to include your name and location).

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Are You Harming Your Teeth Every Night? Discover the Hidden Dangers!

The medical term for teeth grinding during sleep, known as sleep bruxism, is surprisingly common. Many individuals engage in this unconscious behavior without even realizing it.

It’s estimated that up to 8-10% of adults will experience this condition at some point in their lives.

While the exact causes of sleep bruxism remain unclear, several factors are believed to contribute. Stress and anxiety often serve as significant triggers, causing your body to unconsciously tense muscles during sleep.

Other contributing factors include misaligned teeth, certain medications (such as some antidepressants), consumption of caffeine or alcohol, and sleep disorders like sleep apnea.

In fact, research indicates a high correlation between sleep bruxism and obstructive sleep apnea, a condition where the airway intermittently becomes blocked during sleep, leading to respiratory arrest and disrupted sleep patterns. Approximately half of individuals with sleep apnea exhibit signs of teeth grinding during sleep studies. This study suggests that the relationship between these two conditions may be influenced by shared neurological mechanisms affecting jaw and airway muscle activity during sleep.

Recognizing the Signs of Teeth Grinding

Although teeth grinding occurs unconsciously while you sleep, certain signs may indicate that you are grinding or clenching your teeth. Nighttime clenching can lead to headaches, jaw pain, tooth wear, and even temporomandibular joint (TMJ) issues.

Symptoms of temporomandibular joint disorder can include:

  • Jaw, ear, and temple pain: Discomfort may arise in these areas, accompanied by clicking or grinding sounds when moving your jaw.
  • Morning headaches: Tension from clenching can result in headaches near the temples.
  • Worn or cracked teeth: Teeth may become unusually flat, chipped, or sensitive.
  • Jaw functionality issues: Clicking, popping, or difficulty moving your jaw may signal stress in your TMJ.
  • Earache-like pain: You may experience discomfort around your ears or cheeks.
  • Loud grinding sounds: Your partner may hear you grinding or clenching your teeth during sleep.
  • Mouth injuries: Look for small bites or irritation on your cheeks and tongue.

If you discover that you are grinding your teeth, you might be wondering how to stop.

If your jaw hurts in the morning, you may be grinding your teeth while you sleep – Photo credit: Getty

Strategies to Reduce Teeth Grinding

To alleviate or completely stop teeth grinding, consider addressing lifestyle factors. Managing stress through relaxation techniques, cognitive behavioral therapy (CBT), meditation, and gentle yoga before bedtime can be beneficial. Additionally, limiting alcohol and caffeine, along with maintaining regular sleep habits, may help.

Improving your overall sleep quality can also reduce instances of teeth grinding. Studies indicate that poor sleep quality is often associated with more frequent grinding incidents.

If discomfort is a concern, over-the-counter pain relief and cold compresses (like an ice pack wrapped in a cloth for 20-30 minutes) can help alleviate pain and swelling. Engaging in jaw exercises, light stretching, and adjusting your sleeping position may also provide relief.

Research has shown that targeted physical therapy can improve TMJ function and decrease pain related to teeth grinding.

If your symptoms persist or become significantly painful, consulting a dentist is crucial. They can diagnose underlying issues, provide a custom night guard, and refer you to additional treatments such as physical therapy or specialized dental care.

If your teeth grinding is linked to sleep apnea or other sleep disorders, a sleep specialist may suggest further evaluation, as treating the root sleep issue can reduce teeth grinding intensity. With consistent care and lifestyle adjustments, most individuals can reduce the frequency and severity of sleep bruxism, protect their teeth, and alleviate discomfort.


This article addresses the question (from Alex Jevons of Leeds): “How do I stop clenching my jaw at night?”

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Astronomers Uncover Hidden Structure of the Early Universe: Breakthrough Discoveries Explained

Astronomers have utilized spectral data from the Hobby-Eberly Telescope at McDonald Observatory to construct the most intricate 3D map of faint cosmic structures dating back 9 to 11 billion years, unveiling galaxies and intergalactic gas previously undetectable by telescopes.



A line intensity map showcasing the distribution of excited hydrogen in the universe approximately 10 billion years ago. The stars denote areas where HETDEX has identified galaxies. The inset simulates the structure after optimizing the data by reducing background noise. Image credit: Maja Lujan Niemeyer / Max Planck Institute for Astrophysics / HETDEX / Chris Byrohl / Stanford University.

“Studying the early Universe reveals how galaxies have evolved into their current forms and the role that intergalactic gas plays in this transformation,” stated Dr. Maya Lujan Niemeyer, an astronomer at the Max Planck Institute for Astrophysics and Ludwig Maximilian University of Munich, and a key member of the Hobby-Eberly Telescope’s Dark Energy Experiment (HETDEX).

“Many objects from this epoch are faint and challenging to observe due to their vast distances,” she continued.

“Through a technique known as line intensity mapping, this innovative map enhances our understanding of these objects, adding complexity and depth to this crucial era of cosmic history.”

Although line intensity mapping is not a novel methodology, this is the first instance it has been employed to visualize Lyman alpha emissions with such exceptional precision across an extensive dataset.

The HETDEX project harnesses the capabilities of the Hobby-Eberly Telescope to catalog over 1 million luminous galaxies to decode the mysteries of dark energy.

What differentiates this project is its extensive measurement scope, equivalent to observing more than 2,000 full moons and amassing a colossal dataset of over 600 million spectra across an expansive area of the sky.

“We leverage only a fraction of our data—approximately 5%,” remarked Dr. Karl Gebhardt, principal investigator of HETDEX and an astronomer at the University of Texas at Austin.

“This leaves significant potential for future research utilizing the remaining data.”

“While HETDEX captures images of the entire sky, only a small subset of the collected data comprises sufficiently bright galaxies for our research,” noted Dr. Lujan Niemeyer.

“These galaxies are merely the beginning. In the vast expanses in between, lies an entire ocean of light awaiting discovery.”

To construct this groundbreaking map, astronomers employed a supercomputer at the Texas Advanced Computing Center to meticulously analyze approximately half a petabyte of HETDEX data.

Using the coordinates of luminous galaxies already detected by HETDEX, they inferred the positions of fainter galaxies and adjacent glowing gas.

Due to the gravitational forces that cause matter to cluster, the existence of one bright galaxy implies the presence of nearby celestial objects.

“This allows us to utilize known galaxy positions as reference points to ascertain distances to fainter celestial entities,” explained Dr. Eiichiro Komatsu, HETDEX scientist and astronomer at the Max Planck Institute for Astrophysics.

“The resultant map emphasizes regions surrounding bright galaxies while providing intricate details of the areas in between.”

“Simulation models exist for this cosmic era, yet they remain hypothetical; they do not represent the actual universe.”

“We now possess a foundational understanding that allows us to verify whether the astrophysics underlying these simulations holds true.”

For more on these remarkable findings, published on March 3, 2026, in the Astrophysical Journal.

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Maya Lujan Niemeyer and others, 2026. Lyα intensity mapping in HETDEX: Galaxy-Lyα intensity cross-power spectrum. APJ 999, 177; doi: 10.3847/1538-4357/ae3a98

Source: www.sci.news

Unveiling Hidden Complexities of the Cat’s Eye Nebula: Insights from Hubble and Euclidean Telescopes

Recent images from the NASA/ESA Hubble Space Telescope and the ESA’s Euclid mission showcase the intricate multi-shell structure of the fascinating planetary nebula NGC 6543, famously known as the Cat’s Eye Nebula.

This mesmerizing image from Euclid encapsulates the panoramic view of the Cat’s Eye Nebula. Image credits: NASA / ESA / Hubble / Euclid Consortium / J.-C. Cuillandre & E. Bertin, CEA Paris-Saclay / Z. Tsvetanov.

The Cat’s Eye Nebula, located roughly 4,300 light-years away in the constellation Draco, has intrigued astronomers for decades due to its complex, multi-layered architecture.

“Planetary nebulae,” as they are called, derive their name from their round appearance in early telescopic observations; they are actually colossal gas clouds expelled from stars nearing the end of their life cycle,” the Hubble and ESA astronomers explained.

This insight was initially uncovered in 1864 using the Cat’s Eye Nebula itself. Studying its light spectrum allows scientists to identify individual molecules, a characteristic that differentiates planetary nebulae from stars and galaxies.

Near-infrared and visible-light imagery from the Euclid mission illustrates the arcs and filaments of the nebula’s luminous core, enveloped in a mist of vibrant gas debris that is retreating from the star.

“This ring was expelled from the star prior to the formation of the central nebula,” the astronomers noted.

“The entire nebula is prominently set against a backdrop brimming with distant galaxies, exemplifying how local astrophysical wonders and the farthest reaches of the universe coexist in today’s astronomical surveys.”

In this remarkable image, Hubble captures the swirling gas core of the Cat’s Eye Nebula. Image credits: NASA / ESA / Hubble / Z. Tsvetanov.

Through a wide-field lens, Hubble has captured stunning high-resolution visible-light images of the nebula’s swirling gas core.

The data reveals an intricate tapestry of features that appear almost surreal, including concentric shells, high-velocity gas jets, and dense knots shaped by impact interactions,” the researchers stated.

“These structures are believed to document the transient mass loss from the dying star at the nebula’s center, creating a cosmic ‘fossil record’ of its final evolution.”

“The combination of Hubble’s focused observations and Euclid’s deep-field data not only emphasizes the nebula’s delicate structure but also situates it in the broader cosmic landscape explored by both telescopes.”

“Together, these missions offer a rich, complementary view of NGC 6543, illuminating the subtle interplay between a star’s end-of-life processes and the vast universe that surrounds it.”

Source: www.sci.news

Is the Cosmology Crisis Evidence for the Existence of Hidden Dimensions?

Fractal conceptual diagram illustrating supersymmetry and superstrings. Supersymmetry (SUSY) theorizes a unique space-time symmetry connecting two primary categories of elementary particles: bosons, which have an integer spin, and fermions, possessing a half-integer spin. If confirmed, supersymmetry could address numerous enigma in particle physics and unravel paradoxes like the cosmological constant problem. While indirect evidence suggests the unity of gauge couplings, direct proof necessitates creating superpartners in collider experiments, such as at the Large Hadron Collider.

David Parker/Science Photo Library

Recently, cosmologists using the Dark Energy Spectroscopy Instrument (DESI) announced observations suggesting that the enigmatic dark energy, believed to be responsible for the universe’s expansion, may be diminishing. If validated, these revelations challenge the notion of dark energy as a fixed cosmological constant, a key element in the framework of the lambda CDM model, which seeks to explain cosmic evolution.

Should these findings hold, they could pave the way for more refined theoretical models. Researchers are actively exploring new perspectives on dark energy and even revisiting concepts related to dark matter and gravity.

Moreover, if dark energy’s intensity continues to wane, the implications could extend significantly. This change may inspire proponents of alternative cosmologies to reconsider our understanding of the universe’s ultimate fate and delve deeper into the fabric of space-time. Eric Linder, a physicist and cosmologist at the University of California, Berkeley, remarked, “There are certainly intriguing possibilities that could revolutionize physics.”

The Lambda CDM model proposes a brief period of exponential expansion in the early universe, referred to as inflation. This concept appears to elucidate why the universe is so isotropic, flat, and homogenous at extensive scales. However, it faces criticism, notably from physicist Paul Steinhardt of Princeton University. He bluntly stated, “Inflation doesn’t work,” asserting that it necessitates improbable initial conditions and introduces excessive flexibility, resulting in scenarios that many find implausible.

Circulating Universe

Steinhardt has long championed an alternative notion known as the periodic universe, positing that the universe undergoes cycles of expansion, contraction, and rebirth. For this hypothesis to hold, dark energy must exhibit evolution.

“It requires a type of decaying dark energy that halts the universe’s expansion, causes deceleration, and eventually leads to contraction, triggering a rebound and a new cycle,” Steinhardt explained. Current DESI data indicates at least the initial phase of this deceleration.

This does not imply that DESI’s outcomes validate periodic cosmology. Potential systematic errors may arise in analysis and measurement, and it is entirely plausible for dark energy to weaken without leading to contraction or rebound. However, if the decline of dark energy is confirmed, it would bolster Steinhardt’s long-standing proposition. “I tend to be very conservative and patient,” he noted. “But what I’m suggesting is, the game is on.”

Similarly, the DESI results have reinvigorated another contentious idea. Broadly stated, string theory posits that the universe’s fundamental constituents are incredibly tiny strings embedded in hidden extra dimensions. The vibrations of these strings correspond to the particles and forces we identify. This theory captured attention in the 1980s, hinting at a possible unification of quantum theory and general relativity, often dubbed as “the theory of everything.”

A periodic universe will undergo cycles of beginnings and endings.

Science Photo Library / Alamy Stock Photo

However, string theorists have historically struggled to create universe models incorporating small positive cosmological constants. In research published in 2018 and 2019, Cumrun Vafa and his colleagues proposed a framework known as the Swampland conjecture, designed to differentiate between consistent theories of particles, forces, and space-time, and those that do not align with a coherent quantum gravity theory. They suggested that dark energy cannot remain a constant but should function as a field with fluctuating energy levels, similar to the phenomena believed to have induced inflation.

Initially, this idea contradicted widespread views regarding the constancy of dark energy over cosmic timescales. Vafa reflected on this by stating, “People used to argue that dark energy is constant, thereby discrediting string theory.”

Hidden Dimensions

Despite skepticism, Vafa and his team persisted. In 2022, they proposed a model involving a “big hidden extra dimension” estimated to be around the size of a micrometer, gradually evolving over cosmic time. As the geometry of this dimension varies, it alters the observable energy in the universe. “This isn’t an exotic scenario,” Vafa explained, adding, “[From a string theory perspective], as the hyperdimension changes, both dark energy and dark matter respond to it.”

It’s evident why DESI’s findings captivate string theorists. Vafa’s model predicts a slow decline of dark energy — a trend now being observed. When Vafa and his team analyzed DESI data in conjunction with other cosmological observations in 2025, their model aligned remarkably well with the data, surpassing Lambda CDM in fit, nearly mirroring earlier models that allowed for dark energy evolution. Vafa expressed enthusiasm, noting, “This is why I’m incredibly excited. I’m very satisfied.”

It is essential to recognize that the DESI results do not deliver unequivocal proof for string theory. The preference for evolving dark energy over a static cosmological constant hinges on the integration of other cosmological datasets. Furthermore, models unrelated to string theory that avoid hidden dimensions can equally accommodate current data.

Nevertheless, should the DESI findings be sustained, increasing statistical significance may eliminate an empirical hurdle for string theory and challenge claims that it fails to yield testable predictions. “We formulated this model years ago,” Vafa noted. “The data now reflects exactly what we expected.”

Hidden dimensions from string theory might indeed be real

Science Photo Library

To leverage the potential of observational evidence supporting string theory, theorists like Vafa must develop a more precise model that offers accurate predictions surpassing those of non-string theories and validates a wider array of cosmological data. Interestingly, this framework already indicates other testable signs, such as deviations from the standard understanding of dark matter’s evolution and differences from general relativity at micrometer scales.

While some cosmologists remain skeptical regarding the profound implications of DESI’s findings, others, such as Pedro Ferreira, a cosmologist at the University of Oxford, underscore that “dark energy operates within specific scales, and this discussion is valid.” Ferreira noted, “[When it comes to quantum interactions], we may not have the ability to delve that deeply.” In contrast, others acknowledge that these discoveries might extend far beyond cosmology and could offer insight into the intricate quantum structure of space-time. As Mike Turner, a cosmologist at the University of Chicago, remarked, “Cumrun Vafa’s work is the most intriguing I have encountered. Here is where cosmology converges with particle physics, studying fundamental concepts that could yield enormous implications.”

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Unlocking the Nine Hidden Secrets That Weigh Us Down Inside

Damn it! Could you please keep a secret?

Yana Iskayeva/Getty Images

On average, individuals conceal nine different secrets, ranging from personal lies to clandestine romantic affairs. This accumulation can weigh heavily, as secrets often infiltrate our thoughts without conscious effort. While confessions may alleviate some emotional burden, many secrets remain too sensitive to divulge. Consequently, researchers are exploring psychological coping mechanisms.

“People often find themselves pondering their secrets during routine activities like showering or commuting,” explains Val Bianchi from the University of Melbourne, Australia. “These unwanted thoughts can be distressing, creating a cycle where individuals ruminate on their secrets and subsequently feel worse.”

Bianchi has dedicated years to investigating the psychological impact of secrecy and strategies for mitigation. Her latest findings were supported by the Australian National Intelligence Agency, considering that intelligence personnel must safeguard crucial secrets to protect national security, necessitating effective management strategies.

“The enigma surrounding CIA operatives is intriguing. How do they safeguard vital secrets and resume normalcy afterward?” questions Lisa Williams from the University of New South Wales in Australia, who was not involved in this research.

To delve deeper into the connection between secrets and well-being, Bianchi and her team surveyed 240 individuals online, asking participants to identify secrets spanning 38 categories, including deception, infidelity, theft, addiction, and self-harm.

Respondents reported keeping an average of nine distinct secrets. The most prevalent included lie-related secrets (78% of participants) and dissatisfaction with personal or others’ appearances (71%). Other frequent secrets involved financial matters (70%), unexpressed romantic feelings (63%), and sexual behavior (57%).

Participants then pinpointed their most significant secret and maintained a diary for two weeks regarding their feelings. They generally noted that their most crucial secret was negative, prompting reflective thoughts filled with worries and concerns.

Bianchi’s prior research revealed that significant secrets occupy individuals’ thoughts approximately every two hours. Often, they surface during low-engagement tasks, allowing space for reflection, she notes.

Interestingly, the ability to keep secrets may have evolved to enhance group cohesion despite their burdensome nature on individuals. By concealing information, one can prevent harm, embarrassment, or loss of social standing. “For instance, if a colleague is under investigation, a person may choose silence over gossip to protect their workplace reputation,” Bianchi adds.

In certain cases, unveiling a secret may bring relief. Sharing it with empathetic individuals, such as therapists or through confessionals, can alleviate emotional burdens, according to Bianchi.

Conversely, some secrets, like classified information held by intelligence agents, are unsuitable for disclosure. In such instances, the individual might find it beneficial to express feelings associated with the secret without revealing specifics. Bianchi suggests that distraction techniques may also prove useful, and her team aims to research these further.

Williams emphasizes that established emotional regulation methods may also aid those grappling with secrets. “If you are unable to eliminate a secret because it’s job-related or for other reasons, addressing the negative feelings related to it is crucial,” she states. “Ignoring or suppressing negative emotions is generally unproductive; therefore, reframing them positively could be beneficial.”

For those outside the intelligence sector, writing privately about secrets and their emotional impact can be particularly therapeutic. James Pennebaker from the University of Texas at Austin previously demonstrated that journaling about emotions can offer significant mental health benefits. “My research indicates that individuals experiencing major life changes are less likely to encounter health issues if they openly discuss these events,” he explains.

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Source: www.newscientist.com

Unveiling Secrets: VLT Shares Hidden Truths of an Elderly Couple

Stunning New Images from Ball: The Spectropolarimetric High-Contrast Exoplanet Research Instrument on ESO’s Very Large Telescope (VLT) Showcase the Intricate Interactions of Gas and Dust Ejected by the Dual Stars in the AFGL 4106 System.



Tomassini et al. characterized the physical and morphological properties of AFGL 4106, a binary star system of two evolved massive stars. Image credit: ESO / Tomassini et al..

“Before a star reaches the end of its life cycle, it expels massive amounts of gas and dust that contribute to the formation of a growing nebula,” stated Dr. Gabriel Tomassini from the Côte d’Azur Observatory and colleagues.

“The massive stars in the AFGL 4106 system are in advanced but distinct stages of their lifecycle, with one having shed enough mass to form a surrounding dusty envelope.”

In their recent study, the authors meticulously map this cosmic debris to identify the characteristics of AFGL 4106’s central star.

“Imaging objects near a bright star presents significant challenges due to the star’s overwhelming brightness. In fact, the central star appears black as its brilliance saturates the image detectors,” noted the researchers.

“Fortunately, the VLT’s SPHERE instrument excels at managing significant light contrasts, enabling detailed observation of both the luminous stars and their darker surrounding nebulae for the first time.”

“It also corrects for atmospheric turbulence, providing remarkably clear images.”

The nebula’s unique shape indicates that the companion star significantly affects the gas outflow from the dying star, introducing asymmetry and distorting the gas and dust cloud from a perfectly spherical shape.

“Our findings place constraints on the physical properties and evolutionary status of the system,” concluded the astronomers.

“This research enhances our understanding of mass loss processes in massive binary stars and the morphology of nebulae surrounding evolved stars.”

Results from this study are detailed in the journal Astronomy and Astrophysics.

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G. Tomassini et al.. 2026. Characterizing the post-red supergiant binary system AFGL 4106 and its complex nebula with SPHERE/VLT. A&A 706, A5; doi: 10.1051/0004-6361/202557705

Source: www.sci.news

New Study Uncovers Hidden Complexities Beneath Mars’ Surface

Latest orbital data indicates that Mars’ recently active volcanic system is more than just a one-time eruption. Long-lasting magma conduits under Mount Pavonis, one of Mars’ largest volcanoes, have reformed lava flows over time, illuminating distinct eruption stages and evolving chemical signatures. These findings enhance our understanding of Mars’ internal dynamics and the processes through which rocky planets mold and alter their surfaces.



This perspective map from ESA’s Mars Express displays three of Mars’ iconic giant volcanoes: Mount Arsia, Mount Pavonis, and Mount Askreus. Image credit: ESA / DLR / FU Berlin.

What seems to be a solitary volcanic eruption often stems from intricate processes occurring deep beneath the surface of Mars, where magma shifts, evolves, and transforms over an extended timeframe.

To comprehensively understand volcanic activity, geoscientists analyze volcanic ejecta from the planet’s surface, unveiling concealed magma systems that significantly influence eruptions.

This groundbreaking study, spearheaded by Bartosz Pieterek from Adam Mickiewicz University, demonstrates that such complexities are also applicable to Mars.

By integrating detailed surface mapping with orbital mineralogy data, researchers meticulously reconstructed the volcanic and magmatic evolution of the region south of Mount Pavonis in unprecedented detail.

“Our research reveals that even during Mars’ recent volcanic activity, the subsurface magma system remained intricate and dynamic,” stated Dr. Pieterek.

“Volcanoes did not erupt just once; they evolved in response to changing underground conditions.”

This study highlights that the volcanic system progressed through various eruptive stages, transitioning from early fissure-induced lava flows to late point-source activity that produced cone-shaped vents.

Despite the differing appearances of these lava flows, they all originate from the same foundational magma system.

Each eruption phase leaves distinct mineral signatures, enabling scientists to trace the evolution of magma over time.

“The variations in these minerals signify that the magma itself was undergoing evolution,” Pieterek noted.

“This likely reflects shifts in the depth of magma origins and the time it spent underground before erupting.”

“Currently, direct sampling of Martian volcanoes isn’t feasible, making studies like this essential for gaining insights into the structure and evolution of Mars’ interior.”

“This discovery underscores the power of orbital observations in revealing the hidden complexities of volcanic systems on Mars and other rocky planets.”

Find out more in the study published in the Journal of Geology on January 29, 2026.

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Bartosz Pieterek et al. Spectral evidence for magma differentiation within the Martian plumbing system. Geology, published online on January 29, 2026. doi: 10.1130/G53969.1

Source: www.sci.news

Webb Telescope Uncovers Hidden Layers of Uranus’ Upper Atmosphere

Astronomers have successfully mapped the vertical structure of Uranus’ ionosphere for the very first time, uncovering unexpected temperature peaks, a decline in ion density, and enigmatic dark regions influenced by the planet’s unique magnetic field. These groundbreaking findings, achieved through nearly a full day of observations using the NIRSpec instrument aboard NASA/ESA/CSA’s James Webb Space Telescope, confirm a decades-long cooling trend in Uranus’ upper atmosphere and offer an unprecedented look at how this ice giant interacts with its surrounding space differently than other celestial bodies in our solar system.



Tiranti et al. mapped the vertical structure of Uranus’s upper atmosphere, revealing variations in temperature and charged particles across different heights. Image credits: NASA / ESA / CSA / Webb / STScI / P. Tiranti / H. Melin / M. Zamani, ESA & Webb.

Uranus’s upper atmosphere remains one of the least understood components in our solar system, despite its critical role in elucidating the interactions between the giant planet and its space environment.

Astronomer Paola Tiranti from Northumbria University and her team dedicated nearly an entire day to observing Uranus with Webb’s NIRSpec instrument.

They successfully measured the vertical structure of the ionosphere, the electrically charged layer of the atmosphere where auroras occur.

“This is the first time we’ve been able to visualize Uranus’s upper atmosphere in three dimensions,” Tiranti remarked.

“Utilizing Webb’s sensitivity, we can investigate how energy migrates upward through the planet’s atmosphere, even observing the effects of polarized magnetic fields.”

Measurements revealed temperature peaks at approximately 3,000 to 4,000 km above the surface, while ion density peaked around 1,000 km, significantly weaker than previously modeled predictions.

Webb also identified two bright bands of auroral emission located near Uranus’s magnetic poles, along with an unexpected area of depleted emission and density, likely tied to the planet’s unusual magnetic field geometry.

These discoveries confirm a long-term cooling trend in Uranus’ upper atmosphere and highlight new structures shaped by its magnetic environment.

These findings offer critical benchmarks for future missions and enhance our comprehension of how giant planets—both within and beyond our solar system—maintain the energy balance in their upper atmospheres.

“Uranus’ magnetosphere is one of the most peculiar in the solar system,” Tiranti emphasized.

“Its tilt and offset from the planet’s rotational axis cause its auroras to be distributed in a complex fashion across the surface.”

“Webb has provided insights into how deeply these effects penetrate into the atmosphere.”

“By detailing Uranus’s vertical structure so thoroughly, Webb aids in our understanding of the energy balance of the ice giant.”

“This represents a significant step toward characterizing giant planets beyond our solar system.”

For further details, refer to the results published in the journal Geophysical Research Letters.

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Paola I. Tiranti et al. 2026. JWST uncovers the vertical structure of Uranus’ ionosphere. Geophysical Research Letters 53 (4): e2025GL119304; doi: 10.1029/2025GL119304

Source: www.sci.news

Uncovering Hidden Bacteria: How They Thrive in Earth’s Deep Soils – Sciworthy

Beneath the Earth’s surface lies a largely unexplored ecosystem known as the critical zone. This unique area of soil stretches from the Earth’s surface to the base of the groundwater zone, acting as a dynamic interface where rock, water, air, and life converge. Despite their low content of carbon and nutrients compared to surface soils, the microbial communities found in these deep soils are remarkably diverse. Scientists are still uncovering how these microorganisms manage to thrive under such nutrient-scarce conditions.

To explore how microbes survive in the critical zone, researchers focused on a little-known group of bacteria identified globally in deep soils. Known as CSP1-3 Gate, these bacteria were first discovered in 2006 within a geothermal system in Yellowstone National Park. Since then, they have been found in various oxygen-limited and nutrient-poor environments, yet their exact role and characteristics remain mysterious.

Researchers collected soil samples from seven deep soil cores spanning 20 meters (approximately 65 feet) in Shaanxi province, China, and western Iowa, USA. By extracting and sequencing environmental DNA from these samples, they pieced together draft genomes of the microorganisms inhabiting these depths. Through metagenomic analyses, they aim to uncover where CSP1-3 microbes live, their dietary habits, their nutrient cycling processes, and the adaptations that facilitate their survival.

Analysis revealed CSP1-3 bacteria were abundant in deeper soils, comprising over 10% of all microorganisms found in 30 out of 86 soil layers below 5 meters (16 feet). In some layers, such as those at 17 meters (56 ft) and 22 meters (72 ft) deep, CSP1-3 accounted for up to 60% of the microbial population. Using DNA copy-counting methods, researchers estimated that nearly 50% of CSP1-3 cells in these deep soils were actively replicating.

Based on the assembled metagenomes, the research indicated that CSP1-3 bacteria utilize a flexible metabolism to thrive in deep soils. They identified genes that allow these bacteria to alternate between two methods of obtaining energy: autotrophy, which involves producing their own food, and heterotrophy, which entails consuming organic matter from their environment. This adaptability, referred to as mixotrophy, allows them to respond to varying nutrient availability.

Additionally, researchers uncovered genes enabling CSP1-3 bacteria to utilize diverse energy sources such as carbon monoxide (CO) and diatomic hydrogen (H2), both prevalent in deep soils. They also identified genes allowing these microbes to generate energy under varying oxygen conditions, providing an advantage in environments where oxygen levels fluctuate. Genes related to sugar synthesis, such as trehalose, contribute further to their endurance in resource-limited conditions, alongside genes linked to carbon, nitrogen, and sulfur management.

The team analyzed 521 genomes from diverse environments globally, including aquatic habitats, topsoil, and deep soil, to trace the evolutionary lineage of CSP1-3. Genome analysis indicated that these bacteria’s ancestors originated in aquatic settings before transitioning to topsoil and ultimately to deep soil, with significant genomic changes that augmented their carbohydrate and energy metabolism to facilitate adaptation to terrestrial ecosystems.

The researchers concluded that CSP1-3 bacteria are evolutionarily suited to thrive in deep, nutrient-poor soils due to their specialized metabolism and low-energy survival strategies. They posited that CSP1-3 plays a crucial role in energy and nutrient cycling, potentially influencing global environmental processes by enhancing soil fertility and nutrient availability, thereby stabilizing deep soil ecosystems. The ability of these microorganisms to utilize gaseous energy in nutrient-deficient environments offers compelling insights into their survival strategies under extreme conditions, contributing to ongoing planet protection efforts. However, further investigations are necessary to fully comprehend how these deep soil microbes impact soil chemistry and ecosystem functions over time.


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Source: sciworthy.com

Physicists Discover Method to Control Hidden Friction in Electronic Devices

Electrons Interacting and Causing Friction

High quality stock/Alamy

Even the smoothest surfaces can exhibit friction due to electron interactions. However, recent advancements present a technique for reducing or completely eliminating this electronic friction, empowering the development of more efficient and durable devices.

Frictional forces, in various contexts, can hinder movement, waste energy, and can be beneficial in everyday tasks like walking or striking a match. In mechanical systems, such as engines, friction not only expends energy but also accelerates wear, necessitating the use of lubricants and surface treatments. Nevertheless, as every object harbors numerous electrons that interact, some degree of friction may always exist regardless of mitigation strategies.

According to Xu Zhiping, researchers from Tsinghua University in China have developed an innovative method to manage this “electronic friction.” Their apparatus consists of dual layers of graphite paired with a semiconductor crafted from molybdenum and sulfur or boron and nitrogen.

These materials excel as solid lubricants, showcasing near-zero mechanical friction when in motion against each other. This focus allowed researchers to explore a less apparent factor: electronic friction, which contributes to energy loss during the layers’ movement. Xu elaborated, “Even with entirely smooth surfaces, mechanical activity can disturb the ‘sea’ of electrons within the material.”

To confirm their focus on electronic friction, the team initially analyzed how the electronic state of the semiconductor reacted to energy depletion during sliding. They subsequently explored various methods for controlling this phenomenon.


By applying pressure to their device, they succeeded in halting the ocean of electrons by allowing the electrons between layers to share states, minimizing energetically costly interactions. Additionally, introducing a “bias voltage” enabled them to fine-tune the motion of these electrons.

By adjusting the voltage across different segments of the device, researchers could influence electron flow, effectively reducing electronic friction and allowing for a dynamic control mechanism instead of a simple on-off switch.

Jacqueline Krim noted that the initial study on electron friction dates back to 1998 when her North Carolina State University team utilized superconducting materials—perfect electrical conductors at extremely low temperatures—to observe energy loss. Research has since evolved, offering new avenues for modulation without necessitating material replacement or additional lubricants, she commented.

Krim envisions a scenario akin to adjusting the friction of your shoe soles via a smartphone app when transitioning from icy sidewalks to carpeted rooms. “Our objective is real-time remote control, eliminating downtime and material waste. Achieving this goal necessitates materials that react to external magnetic fields producing the desired levels of friction,” she explained.

Xu acknowledged the complexities involved in managing all forms of friction within a device, noting that a rigorous mathematical model correlating these frictions is yet to be established. Nevertheless, he expressed optimism regarding their findings, suggesting that if electronic friction primarily drives energy waste and wear, their approach could hold considerable promise.

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Source: www.newscientist.com

Discover the Essential ‘Hidden’ Gut Bacteria for Optimal Health

Gut bacteria essential for health

Essential Gut Bacteria Linked to Health

3D Media Sphere/Science Photo Library

A newly discovered group of bacteria thriving in the gut microbiome of healthy individuals suggests their crucial role in maintaining overall health.

About 4,600 species of bacteria inhabit our gut, impacting a range of bodily functions from our immune response to sleep patterns and mental health risks.

Interestingly, around two-thirds of these species fall into the “hidden microbiome,” many of which cannot be cultured in laboratories or even named. We only identify them through genomic analysis. “Are these species merely bystanders, or do they contribute to human health?” questions Alexandre Almeida, a researcher at Cambridge University.

To delve deeper, Almeida and his team analyzed genetic markers of bacteria across a comprehensive study involving over 11,000 participants from 39 countries, primarily across Europe, North America, and Asia.

Approximately half of the participants were healthy, while the other half had one of 13 conditions, including obesity, chronic fatigue syndrome, and inflammatory bowel disease.

The analysis revealed that 715 bacterial species are linked to specific health conditions; 342 were more abundant in unhealthy individuals, while 373 were prevalent in those who were healthy.

Among these, a prominent genus named CAG-170 consistently correlated with better health outcomes. “Across various conditions, CAG-170 levels were markedly higher in healthy individuals compared to those with diseases,” Almeida explains.

In another aspect of the study, Almeida’s team explored bacterial species that indicate a healthy gut microbiome versus one characterized by dysbiosis.

“CAG-170 once again showed a significant correlation,” Almeida adds. “Higher CAG-170 levels corresponded with a balanced and healthier gut microbiome.”

To understand CAG-170’s role, the researchers examined its genome, identifying genes linked to metabolic pathways capable of producing elevated vitamin B12 levels and breaking down various carbohydrates and fibers.

While CAG-170 itself doesn’t utilize vitamin B12, Almeida suggests that other bacteria frequently found alongside CAG-170 likely benefit from it. “CAG-170 seems to adopt a collaborative role, providing metabolic support to its microbial companions.”

This study marks a vital step in understanding which components of the gut microbiome contribute to health and disease. Research led by Nicola Segata at the University of Trento recently characterized a healthy gut microbiome but didn’t thoroughly explore how these bacteria provide health benefits.

Determining whether high CAG-170 levels are a health cause or consequence remains challenging. Almeida emphasizes the need for further research to assess whether introducing CAG-170 can mitigate certain health risks.

“The human microbiome and body are intricately linked, and should be considered a unified complex system,” Segata states. “Instead of seeking direct causality, we need to explore the holistic relationship between microbial and bodily health, including diet’s role.”

Professor Segata advocates for follow-up studies incorporating nutritional clinical trials to evaluate the dietary factors that influence both microbiome composition and human health.

From Almeida’s perspective, CAG-170 holds potential in two ways: as a biomarker for gut health and as a foundation for new probiotics aimed at enhancing overall well-being.

The potential for CAG-170 as a probiotic candidate is promising, yet its laboratory cultivation remains a significant challenge. “Identifying optimal foods and prebiotic supplements to increase CAG-170 levels may be a more attainable goal than developing probiotic products.” Segata notes.

However, genomic insights offer guidance on practical applications. Since CAG-170 bacteria appear unable to produce arginine, supplementing with more amino acids might promote their growth and presence in the gut.

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Source: www.newscientist.com

Unveiling the Hidden Life of Giant Viruses: Are They More Alive Than We Realize?

Mimivirus Illustration

Illustration of Mimivirus: A Giant Virus Infecting Amoebae

Credit: Science Photo Library / Alamy

Viruses exploit host cell machinery to produce proteins, with certain large viruses encoding essential components within their genomes to instruct host cells to generate viral proteins. This phenomenon emphasizes how giant viruses challenge the distinction between living and nonliving entities.

Since the discovery of the mimivirus in Bradford, England in 2003, which infects amoebas, biologists have increasingly focused on these giant viruses. Some exhibit sizes larger than typical bacteria, complex shapes, and possess numerous genes.

Among these genes are those that code for components involved in translation—the biological process that turns genetic information into proteins. In cellular biology, translation occurs through ribosomes, initiated by molecular assemblies known as initiation complexes.

To investigate whether giant viruses possess a similar system, Max Fells and his team from Harvard Medical School explored the dynamics within infected amoebas and the manipulations by mimivirus post-infection.

The researchers isolated ribosomes from infected cells and identified the viral proteins linked to them. “This was our initial clue that these might be the elements we were seeking,” said Fells.

Subsequently, they knocked out the gene responsible for the viral complex by substituting it with a modified DNA sequence, resulting in a virus that could not synthesize the corresponding protein. This intervention decreased virus production by up to 100,000-fold and severely inhibited the formation of new infectious particles.

These findings collectively indicate that during an infection, viral complexes potentially redirect the protein synthesis machinery of the host to significantly boost the production of viral structural proteins, even under extreme conditions like nutrient scarcity and oxidative stress, which typically hinder protein synthesis in host cells.

This discovery introduces a profound evolutionary inquiry: how did these viruses acquire such capabilities? Some researchers propose that giant viruses may descend from ancient cellular life forms, while others suggest they evolved from typical viruses through gene acquisition from their hosts.

“Giant viruses have acquired a diverse array of cellular machinery from their eukaryotic hosts over evolutionary time,” stated Frank Aylward from Virginia Tech, who was not part of the study. Genetic exchange can occur during viral infection, allowing natural selection to favor advantageous genes over extended evolutionary periods.

Many of the largest viruses dominate the internal environment of single-celled organisms, which presents more variability than the relatively stable environments of multicellular hosts. Consequently, this flexible control over protein synthesis may confer a significant evolutionary advantage, Aylward noted.

This research also raises critical questions. The mimivirus genome comprises approximately 1,000 proteins, the majority of which remain functionally enigmatic. It remains unclear how these viruses intricately control protein production throughout a single infection cycle.

“Viruses have traditionally been regarded as passive participants in the evolution of living systems,” stated Hiroyuki Ogata from Kyoto University, Japan. “This study demonstrates that giant viruses can reconfigure molecular systems that are fundamental across the spectrum of life.”

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Source: www.newscientist.com

Discovering Prototaxites: Unveiling a Hidden Frontier of Complex Life

For over 165 years, the enigmatic prototaxite has stood as one of the earliest giants to rise from Earth’s barren landscapes, defying simple classification. These towering, columnar organisms dominated the terrestrial environment over 400 million years ago, reaching impressive heights of 8 meters (26 ft), long before the advent of trees. A recent study conducted by paleontologists from the University of Edinburgh and the National Museums of Scotland posits that this mysterious entity was not merely a giant fungus, as often presumed, but rather belonged to an entirely extinct lineage of complex life.



Prototaxites dominated terrestrial ecosystems 410 million years ago as the largest living organisms. Image credit: Matt Humpage.

The prototaxite marks the first giant life form on Earth’s surface, emerging during the late Silurian to late Devonian periods, approximately 420 to 370 million years ago.

Recognized for their pillar-like fossils that can reach up to 8 meters, they played a crucial role in early terrestrial ecosystems well before the emergence of trees.

These organisms were widely distributed across ancient terrestrial environments and were likely consumed by arthropods, marking a pivotal stage in land colonization and holding significant ecological importance.

Despite over 165 years of inquiry, the biological identity of prototaxite remains a topic of heated debate among paleontologists, who contest whether it is a fungus or belonged to a distinct, entirely extinct lineage of complex eukaryotes.

In a groundbreaking study, Dr. Corentin Rollon and colleagues examined Prototaxites Taichi, found preserved in remarkable three-dimensional detail within the 407-million-year-old Rhynie Chert in Aberdeenshire, Scotland.

“The Rhynie Chert is a remarkable treasure trove,” noted Dr. Rollon, the lead author of the study published in this week’s edition of Scientific Progress.

“This site represents one of the oldest fossilized terrestrial ecosystems, and its well-preserved biodiversity enables innovative approaches like machine learning applied to fossil molecular data.”

“Numerous other specimens from the Rhynie Chert are preserved in museum collections, contributing vital context to our findings.”

The research team investigated new specimens of Prototaxites Taichi, identifying the largest known example of this species at the site, facilitating detailed anatomical and molecular comparisons with fossil fungi found in the same deposits.

Microscopic imaging revealed a complex internal structure that diverges significantly from any known fungi.

The fossil comprises three distinct types of tubes, including large, thick-walled tubes featuring annular stripes and dense spherical regions known as medullary points.

These intriguing features form a complex 3D network of interconnected tubes, suggesting a branching pattern unheard of in fungal biology.

Researchers employed infrared spectroscopy and machine learning techniques to classify molecular fingerprints from prototaxite alongside those of fossil fungi, arthropods, plants, and bacteria found in Rhynie Chert.

Fossilized fungi from this location maintain characteristic chemical signatures linked to chitin-rich cell walls, which were intriguingly absent in ancient prototaxite.

The team also searched for perylene, a biomarker associated with pigment compounds produced by specific fungi, previously detected in other Rhynie Chert fossils. However, no such compounds were found in the prototaxite sample.

Collectively, the structural, chemical, and biomarker findings imply that prototaxite does not align with any known fungal group, including the earliest forms of modern fungi.

“This research marks a significant advancement in a 165-year-long discussion,” stated Dr. Sandy Hetherington, the senior author of the paper.

“These organisms represent life forms distinct from those we currently recognize, displaying different anatomical and chemical characteristics from fungi and plants, thereby belonging to a unique, now-extinct lineage of complex life.”

“Our study combines chemical analysis and anatomical insights into prototaxite, revealing that it cannot be classified within any known fungal group,” explained co-author Laura Cooper.

“As earlier researchers have discounted classifications to other large and complex life forms, we conclude that prototaxite belonged to an entirely distinct lineage of extinct complex life.”

“Thus, prototaxite symbolizes independent evolutionary experiments in constructing large and complex organisms, known to us only through exceptionally preserved fossils.”

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Corentin C. Rollon et al. 2026. Prototaxites fossils are structurally and chemically distinct from both extinct and extant fungi. Scientific Progress 12(4); doi: 10.1126/sciadv.aec6277

Source: www.sci.news

Breakthrough Model Reveals How Nutrients Might Access Europa’s Icy Shell to Nourish Its Hidden Ocean

Geophysicists from Washington State University and Virginia Tech have uncovered a potential pathway for nutrient transport from the radioactive surface of Jupiter’s icy moon, Europa, to its subsurface ocean.

Artist’s concept of the oceans of Jupiter’s moon Europa. Image credit: NASA/JPL-Caltech.

Europa is believed to host more liquid water than all of Earth’s oceans combined, but this vast ocean lies beneath a thick, ice-covered shell that obstructs sunlight.

This ice layer means that any potential life in Europa’s oceans must seek alternative sources of nutrition and energy, raising important questions about how these aquatic environments can support life.

Moreover, Europa is under constant bombardment from intense radiation emitted by Jupiter.

This radiation interacts with salts and other surface materials on Europa, producing nutrients beneficial for marine microorganisms.

While several theories exist, planetary scientists have struggled to determine how nutrient-rich surface ice can penetrate the thick ice shell to reach the ocean below.

Europa’s icy surface is geologically active due to the gravitational forces from Jupiter; however, ice movements primarily occur horizontally rather than vertically, which limits surface-to-ocean exchange.

Dr. Austin Green from Virginia Tech and Dr. Katherine Cooper from Washington State University sought inspiration from Earth to address the surface recycling challenge.

“This innovative concept in planetary science borrows from well-established principles in Earth science,” stated Dr. Green.

“Notably, this approach tackles one of Europa’s persistent habitability questions and offers hope for the existence of extraterrestrial life within its oceans.”

The researchers focused on the phenomenon of crustal delamination, where tectonic compression and chemical densification in Earth’s crust lead to the separation and sinking of crustal layers into the mantle.

They speculated whether this process could be relevant to Europa, especially since certain regions of its ice surface contain dense salt deposits.

Previous investigations indicate that impurities can weaken ice’s crystalline structure, making it less stable than pure ice.

However, delamination requires that the ice surface be compromised, enabling it to detach and submerge within the ice shell.

The researchers proposed that dense, salty ice, surrounded by purer ice, could sink within the ice shell, thereby facilitating the recycling of Europa’s surface and nourishing the ocean beneath.

Using computer simulations, they discovered that as long as the surface ice is somewhat weakened, nutrient-rich ice laden with salts can descend to the bottom of the ice shell.

This recycling process is swift and could serve as a reliable mechanism for providing essential nutrients to Europa’s oceans.

The team’s study has been published in the Planetary Science Journal.

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AP Green and CM Cooper. 2026. Dripping into destruction: Exploring the convergence of viscous surfaces with salt in Europa’s icy shell. Planetary Science Journal 7, 13; doi: 10.3847/PSJ/ae2b6f

Source: www.sci.news

Unlocking the Secrets of Jupiter and Saturn: How Polar Cyclones Expose Hidden Interiors

A groundbreaking study by planetary scientists at the Massachusetts Institute of Technology (MIT) reveals how the significant differences in polar vortex patterns between Jupiter and Saturn are influenced by the unique properties of their deep interiors. These findings offer valuable insights into the structure of these gas giants.

This composite image, captured by the JIRAM instrument aboard NASA’s Juno satellite, depicts a central low-pressure system at Jupiter’s north pole along with eight surrounding low-pressure systems. The colors in this image represent radiant heat, revealing temperature variations in their cloud layers. Image credit: NASA / JPL-Caltech / SwRI / ASI / INAF / JIRAM.

“Our study shows that the internal properties, including the softness of the vortex base, influence the fluid patterns observed at the surface,” explained Dr. Wang-Ying Kang from MIT.

The research was inspired by stunning images of Jupiter and Saturn obtained from NASA’s Juno and Cassini missions.

Since 2016, Juno has been orbiting Jupiter and revealing astonishing details about its north pole and intricate spiral formations.

The data suggest that each vortex on Jupiter is immense, measuring around 5,000 km (3,000 miles) in diameter.

Meanwhile, Cassini documented Saturn’s iconic polar vortex, which spans a singular hexagonal shape approximately 29,000 km (18,000 miles) wide, before its controlled descent into Saturn’s atmosphere in 2017.

“Despite their similarities in size and primary composition of hydrogen and helium, deciphering the differences in polar vortices between Jupiter and Saturn has been challenging,” noted MIT graduate student Jial Shi.

Researchers aimed to uncover the physical mechanisms behind the formation of either a single vortex or multiple vortices on these distant planets.

To achieve this, they employed a two-dimensional model of surface fluid dynamics.

While polar vortices are inherently three-dimensional, the fast rotation of Jupiter and Saturn leads to uniform motion along their rotational axes, allowing the team to effectively analyze vortex evolution in two dimensions.

“In rapidly rotating systems, fluid motion tends to be uniform along the axis,” Dr. Kang added. “This insight allowed us to convert a 3D challenge into a 2D problem, significantly speeding up simulations and reducing costs.”

With this in mind, researchers created a two-dimensional model of vortex behavior in gas giants, adapting equations that describe the evolution of swirling fluids over time.

“This equation is commonly used in various situations, including modeling cyclones on Earth,” Dr. Kang stated. “We tailored it for the polar regions of Jupiter and Saturn.”

Scientists applied the two-dimensional model to simulate fluid dynamics on gas giants in various scenarios, adjusting parameters such as planetary size, rotational speed, internal heating, and the characteristics of the fluid.

They introduced random “noise” to simulate initial chaotic fluid flow on the planets’ surfaces.

By analyzing how this fluid evolved over time across different scenarios, the researchers found that some conditions led to the formation of a single large polar vortex, akin to Saturn’s structure, while others resulted in multiple smaller vortices, similar to those on Jupiter.

Through careful examination of the parameters affecting each scenario, the study identified a unifying mechanism: the softness of the vortex base constrains the size that vortices can attain.

The softer and lighter the gas at the bottom of the vortex, the smaller the resulting vortex, enabling multiple smaller vortices to exist at Jupiter’s poles. Conversely, a denser and harder base permits the growth of sizable vortices, manifesting as a singular entity like Saturn.

If this mechanism holds for both gas giants, it could suggest that Jupiter has a softer internal composition, while Saturn may contain denser materials.

“The fluid patterns we observe on the surface of Jupiter and Saturn may provide insights into their interior compositions,” Shi remarked.

“This is crucial because Saturn’s interior likely harbors richer metals and more condensable materials, leading to stronger stratification than that found in Jupiter,” Shi added. “This will enhance our understanding of gas giant planets.”

The team’s findings will be published in the Proceedings of the National Academy of Sciences.

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Gial Sea & One In Can. 2026. Polar vortex dynamics of gas giant planets: Insights from 2D energy cascades. PNAS in press.

Source: www.sci.news

Unlocking Kama Muta: Discover Hidden Emotions and Learn to Feel Them Deeply

A woman hugging her mother by the sea

Imagine cradling your newborn baby, deeply gazing into their eyes. You’re at the airport, eagerly awaiting your family’s return from a year-long journey, and suddenly, you spot them approaching. Or perhaps you’re in a packed stadium, witnessing your team lift a long-awaited trophy. Each moment evokes a profound sense of connection, sending chills down your spine and bringing tears to your eyes.

Does this resonate with you? Although you might not know it yet, you’re experiencing an emotion referred to as “kama muta.” This phenomenon is gaining traction in psychological circles for its critical role in our relationships with family, friends, and community. By actively seeking to evoke this feeling, you can enhance your life’s purpose and strengthen your social bonds.

This article is part of a series on simple changes to boost your health in the new year.
Read the complete series here.

The term kama muta emerged from research initiatives starting in 2012 by Alan Fisk, an anthropologist, with contributions from colleagues at UCLA and the University of Oslo. They began exploring why happy ending scenes in movies bring us to tears. Prior to this, emotional research mostly focused on tears as indicators of sadness.

Initial discussions evolved into formal research involving extensive interviews and surveys about strong emotional responses to positive events. They identified common descriptors such as “being moved,” “stirred,” and “uplifted,” often accompanied by physical sensations like watery eyes, goosebumps, and warmth in the chest. Most importantly, this emotion appeared linked to the enhancement of social relationships.

And it’s not exclusive to happy situations; it can arise in diverse scenarios, including parental care, reunions, and even Alcoholics Anonymous meetings where individuals experience a powerful sense of acceptance.

“Instead of feeling isolated or ashamed of your past, you realize your challenges connect you to others,” says Fisk.

This emotional response can also manifest during religious practices such as prayer, conveying a connection to the divine. Additionally, communal events like sports victories often evoke profound feelings of pride and admiration for teams that have faced adversity.

Live music inspires emotional connections

Andrew Chin/Getty Images

Despite the richness of the English language, we lack a term that encompasses these impactful experiences. Thus, we often overlook the emotional parallels across various situations. “Our premise is straightforward,” Fisk asserts. “These experiences share a common feeling.”

To describe this, the researchers adopted sanskrit‘s term Kama Muta, which translates to “moved by love.” Fisk notes, “The Sanskrit expressions have a poetic quality.”

Fisk explains it as “love igniting,” suggesting it may have evolved to deepen our care for those closest to us. In ancient times, shared bonds were vital for survival, and emotions fostering these ties significantly benefited our ancestors. Today, social connections are equally crucial for human health. Emotions like kama muta may help broaden our perspectives on life, thereby enhancing overall well-being.

Discovering Kama Muta

Thanks to our innate empathic abilities, we can experience kama muta by viewing emotional videos, transcending cultural boundaries. For instance, Fisk’s studies revealed that participants from diverse backgrounds reacted similarly to videos depicting profound connections.

Such experiments indicate that experiencing kama muta can significantly inspire you to cultivate and maintain relationships. After feeling this emotion, subjects expressed greater commitment to their relationships and a heightened desire to connect intimately with others.

Concerts often provoke kama muta due to music’s beauty and strength of unity it fosters among strangers; experiences like Taylor Swift sharing friendship bracelets with fans exemplify this unique bond.

People who exhibit higher levels of empathy may be more susceptible to kama muta. However, anyone can learn to nurture this emotion by actively listening to those around them.

“When individuals feel truly heard, they tend to feel more connected to the listener,” suggests Kenneth Demaree, a psychologist based in New York. He believes that this connection leads to deeper self-disclosure and greater emotional revelations.

Additionally, many secret pathways exist for experiencing kama muta, even in solitude. Whether through reading or watching love stories, you can evoke such feelings, with watching cute animal videos striking a chord often.

Cultivating your emotional experiences changes your perception, shifting from suppression to appreciation. “You may think it’s a disaster to feel emotional,” shares Fisk, “but by understanding that everyone goes through these feelings, you’re more inclined to embrace them.”

Like any emotion, kama muta consists of various components, including physical sensations, mental interpretations, and motivations to act. Researchers have developed a
kama muta multiplex scale
to measure your experience. Explore our research-driven quizzes to evaluate your feelings while watching a kitten video—just one example. Or view heartfelt images of loved ones or engage in meaningful discussions with friends. Then rate your experience by how closely these statements resonate with you, on a scale from 0 (not at all) to 6 (very often).

Section 1

Have you experienced it?

  • Moist eyes
  • Tears
  • Goosebumps or hair standing on end
  • Chills or shivers
  • Warm sensation in the middle of your chest
  • Feeling of warmth in the chest area
  • Feeling breathless
  • Lump in throat
  • Difficulty articulating
  • Smiling
  • Feeling buoyant and light
  • Feeling refreshed, energized, and uplifted

Section 2

Did you feel it?

  • Incredible bond
  • A profound sense of intimacy
  • A unique love that rises
  • A special feeling of being welcomed or embraced

Section 3

Did you feel it?

  • Urge to express care for someone
  • Desire to hug someone
  • Impulse to do something special for someone
  • Increased commitment to the relationship

Section 4

How did you feel overall about the experience?

  • It was heartwarming
  • It left a lasting impression
  • It touched me deeply

While there are no absolute indicators to determine if you felt kama muta or not, researchers affirm that the higher your aggregate scores across these sections, the more intense your kama muta experience is likely to be.

Topic:

Source: www.newscientist.com

Supermassive Dark Matter Stars Could Be Hidden in the Early Universe

Exotic stars may be fueled by dark matter

remote vfx/getty images

We might be observing the earliest indications of peculiar stars that harness dark matter. These dark stars could provide explanations for some of the universe’s most enigmatic entities, and offer insights into the actual nature of dark matter itself.

Standard stars are birthed when a gas cloud collapses, leading to a core dense enough to initiate nuclear fusion. This fusion generates significant heat and energy, radiating into the surrounding gas and plasma.

Dark stars could have emerged in a similar fashion during the universe’s infancy, a period of higher density which also saw a notably concentrated presence of dark matter. If a gas cloud collapsing into a star contains substantial dark matter, it may begin to collide and dissipate prior to nuclear fusion, generating enough energy to illuminate the dark star and halt further collapse.

The process leading to the formation of dark stars is relatively straightforward, and currently, a team led by Katherine Freese from the University of Texas at Austin is exploring its potential outcome.

In an ordinary large star, once the hydrogen and helium are depleted, it continues fusing heavier elements until it runs out of energy and collapses into a black hole. The more mass the star contains, the quicker this transition occurs.

However, the same is not true for dark stars. “By incorporating dark matter into a star roughly the mass of the Sun, and sustaining it through dark matter decay rather than nuclear means, you can continuously nourish the star. Provided it receives enough dark matter, it won’t undergo the nuclear transformations that lead to complications,” explains George Fuller, a collaborator with Freese at the University of California, San Diego.

Despite this, general relativity imposes a limit on how long dark matter can preserve these unusual giants. Albert Einstein’s theory suggests that an object’s gravitational field does not increase linearly with mass; instead, gravity intensifies the gravitational force. Ultimately, an object may reach a mass at which it becomes unstable, with minor variations overpowering its gravitational pull and resulting in a collapse into a black hole. Researchers estimate this threshold for a dark star is between 1,000 and 10 million times the Sun’s mass.

This mass range makes supermassive dark stars prime candidates for addressing one of the early universe’s profound mysteries: the existence of supermassive black holes. These giants were spotted relatively early in the universe’s history, but their rapid formation remains a puzzle. One prevailing theory posits that they didn’t arise from typical stars, but rather from some colossal “seed.”

“If a black hole weighs 100 solar masses, how could it possibly grow to a billion solar masses in just a few hundred million years? This is implausible if black holes were formed solely from standard stars,” asserts Freese. “Conversely, this situation changes significantly if the origin is a relatively large seed.” Such faint stars could serve as those seeds.

Yet, the enigmas of the early universe extend beyond supermassive black holes that dark stars could elucidate. The James Webb Space Telescope (JWST) has unveiled two other unforeseen object types, referred to as the little red dot and the blue monster, both appearing at substantial distances. The immediate hypothesis for these is that they are compact galaxies.

However, like supermassive black holes, these objects exist too far away and too early in universal history for simple formation explanations. Based on observations, Freese and her associates propose that both the little red dot and the blue monster may represent individual, immensely massive dark stars.

If they indeed are dark stars, they would display particular clues in their light. This aspect pertains to specific wavelengths that dark stars should ostensibly absorb. Normal stars and galaxies dense with them are too hot to capture that light.

Freese and colleagues have found possible indicators of this absorption in initial JWST observations of several distant entities; however, the data is too inconclusive to confirm its existence. “Currently, of all our candidates, two could potentially fit the spectrum: a solitary supermassive dark star or an entire galaxy of regular stars,” Freese notes. “Examining this dip in the spectrum, we’re convinced it points to a dark star rather than a conventional star-filled galaxy. But for now, we only possess a faint hint.”

While it remains uncertain if we have definitively detected a dark star, this development marks progress. “It isn’t a definitive finding, but it certainly fuels motivation for ongoing inquiries, and some aspects of what JWST has been examining seem to align with that direction,” remarks Dan Hooper from the University of Wisconsin-Madison.

Establishing whether these entities are genuinely dark stars necessitates numerous more observations, ideally with enhanced sensitivity; however, it remains ambiguous whether JWST can achieve the level of detail required for such distant galaxies or dark stars.

“Confirming the existence of dark stars would be a remarkable breakthrough,” emphasizes Volodymyr Takistov from the High Energy Accelerator Research Organization in Japan. This could facilitate new observational avenues into foundational physics. This is particularly true if dark stars are recognized as seeds for supermassive black holes. Freese, Fuller, and their team deduced that the mass at which a black hole collapses correlates with the mass of the dark matter particle annihilating at its center, implying that supermassive black holes could serve as metrics to evaluate or at least restrict dark matter properties. Of course, validating the existence of dark stars is the first priority. “Even if these entities exist, their occurrence is rare,” Hooper states. “They are uncommon, yet significant.”

Exploring the Mysteries of the Universe: Cheshire, England

Join some of the brightest minds in science for a weekend dedicated to unraveling the universe’s mysteries, featuring a tour of the legendary Lovell Telescope.

Topic:

Source: www.newscientist.com

Hidden Guests Review: An Insightful Exploration of Microchimerism Science

“We are not just composed of human cells and microorganisms, but fragments from others as well…”

Lois Fordham/Millennium Images

Hidden Guests
Translated by Lise Barnoud and Bronwyn Haslam, Greystone Books

Although my children were conceived using donated eggs, one might presume we lack any genetic connections. Yet, science confirms that this assumption is not entirely accurate.

Research reveals that during pregnancy, fetal cells traverse the placenta and integrate into the mother’s body, affecting various organs. Likewise, my mother’s cells—and even those transferred from her to me—can also reach my children. With an older sister, the cellular sharing could potentially be even more extensive. Her cells may have crossed into my mother, then to me, and subsequently transferred to my children.

This intriguing concept and its ramifications—that we are holobionts, consisting not just of human cells and microbes but also fragments of other cells—lie at the core of the book. Hidden Guests: How Cell Migration and the New Science of Microchimerism Are Redefining Human Identity by Liz Barneau.

Barneau not only documents the serendipitous discovery of these microchimeric cells but also discusses how cultural and political factors have shaped their interpretation. The notion that pieces of a parent, sibling, or even a fetus reside within our bodies or minds can elicit a spectrum of emotions.

“Some find solace in feeling connected to deceased loved ones, while others worry about renewed control exerted by men,” she notes, referencing claims by some anti-abortion advocates that fetal cells “haunt” women post-abortion, causing illnesses and punishing them.

Fortunately, Barneau primarily focuses on scientific evidence. She chronicles the journeys of researchers through their errors, inquiries, and breakthroughs, illustrating how cells derived from fetuses can have both beneficial and detrimental effects. While these cells might facilitate tissue repair and combat tumors, they are also implicated in autoimmune disorders. Barneau handles the more sensitive topics with care, describing how the cells of an aborted fetus can persist in a woman’s body for decades.

Additionally, she explores how their presence can disrupt traditional genetic inheritance patterns, unveiling remarkable biological enigmas. For instance, a woman may use her own eggs to conceive all her sons, yet only a third of her sons may exhibit shared genetic features. Alternatively, a woman with hepatitis C might possess numerous liver cells that correspond to DNA from two former partners, potentially linked to an aborted pregnancy years before. There’s also the case of an Olympic cyclist who tried to explain a suspicious blood type mix by claiming “vanishing twins,” referring to fraternal twins whose DNA merges in utero.


The existence of microchimeric cells could create extraordinary biological mysteries

Hidden Guests is clearly articulated and full of insightful analogies. Journalist Barneau likens microchimeric cells in our bodies to stars in distant galaxies that “bear molecular signatures distinct from ours.” She draws parallels stating that blaming a cell for a tumor’s growth is akin to assigning fault for a fire to a firefighter.

Many revelations await readers. Spoiler alert: Barneau encourages contemplation on the fact that, just as donor cells migrate from a transplanted organ to various parts of a recipient’s body, cells containing a partner’s genetic material can enter blood and lymphatic vessels surrounding the vagina, embedding themselves across the body or brain.

This genetic ambiguity, wherein cells journey back through familial lines, can indeed be perplexing. Nevertheless, Barneau excels at elucidating the current landscape of this nascent field and its significant implications for both medicine and human identity without veering into speculation. She adeptly unravels the long-standing perspective of “one individual, one genome” in an engaging manner.

As a mother who once believed I lacked any biological link to my children, I now realize: Hidden Guests is scientifically enthralling and profoundly reassuring. Barneau enlightens us that we carry traces of others within us. Thanks to her insights, I eagerly anticipate the future developments in this field.

Helen Thomson, a writer based in London, columnist for New Scientist

topic:

Source: www.newscientist.com

The Hidden Psychology Behind Horror Games: Why You Can’t Resist Playing Them | Games

The haunting sound emerged first. Inside the Bart Railroad tunnel in San Francisco, Don Veca recorded the piercing metallic screech of a train. “It was both beautiful and disturbing, like a demon in torment,” he reflects. This haunting audio became one of the most iconic elements of 2008’s Dead Space.

“We unleashed that industrial shriek at full volume right after a vacuum of silence, creating one of the most impactful sonic contrasts in gaming,” Veca recalls, having made a name for himself as the audio director for the Dead Space series. “Our game designers were not fans, but our higher-ups embraced it. Eventually, it became legendary.”

Nearly twenty years since Dead Space first had players gripping their controllers in fear, horror game designers worldwide continue to pursue that same thrill. So, how do they discover new methods to terrify gamers, and what drives our relentless attraction to horror?

sounds of fear

Ask anyone involved in developing classic horror games, and they will likely agree: authentic fear begins with sound.

Veca highlights that it starts at a psychological level. “It stems from the mind: not the fear of what is, but of what might come,” he explains. “The genuine fear isn’t from a thief with a weapon. It’s the shadow lurking behind the door, the unnerving silence, the certainty that something approaches… yet the timing and nature of it remain unknown.”

This element of unpredictability became a cornerstone of Dead Space’s audio design. “We created suspense like a rising tide,” Veca describes. “Something might happen… Something might happen… and then nothing occurs, just the household kitten. You laugh, the adrenaline fades, and moments later, there’s a burst of claws, blood, and screams!”

Infection…Dead Space. Photo: EA

Jason Graves, the BAFTA-winning composer behind Dead Space and 2015’s Until Dawn, concurs. “Sound and music set the stage for fear. It’s about the build-up, the tension, and the moment of release when something appears.”

Graves even regarded the score as a form of infectious entity. “In Dead Space, something corrupts the crew and transforms them into monsters, so I ‘infected’ the orchestra,” he explains. “No peculiar techniques, no instrument tapping, no chords, just clusters and tension.” When a player thinks it’s silent, it could be each of the 60 strings playing a note softly. This creates a dynamic, constantly evolving soundscape.

If there are any doubts regarding the significance of sound, Graves offers a challenge. “My daughter played ‘Until Dawn’ and was frightened throughout. I suggested muting it, but she completed it anyway. This illustrates how our brains function; we can perceive an atmosphere even without visuals. Monsters lurking under the bed, shadows in the water—our imaginations amplify the dread. It’s ten times more terrifying than anything we show them.”

human element

For cult game developer Swery (real name Hidetaka Suehiro), horror transcends cheap thrills; it delves into the essence of humanity. He began pondering what truly frightens players when his mentor, Resident Evil creator Tokuro Fujiwara, posed the question, “What constitutes fear in games?”

Hidetaka Suehiro, known as Swery, is a game developer. Photo: White Owls Co., Ltd.

“I was in my twenties and simply said, ‘Game over,’” Swery recalls. “He responded: ‘So, isn’t a game without a “game over” scary? What about a haunted house that doesn’t inflict damage?’ I was stumped. I’ve been searching for the answer ever since.”

This curiosity laid the foundation for 2010’s Deadly Premonition, a surreal horror experience set in a small town that combines absurd humor with existential dread. “Before we created the horror aspect, we established a clear vision: to construct a town and its inhabitants. We developed the story post-creation of the town,” he recounts.

“At the core of fear lies humanity,” Swery added. “Human beings possess inner complexity and suffering, are fragile, and can succumb to evil… that’s the essence.”

While monsters may symbolize our fears, for Thomas Grip, game director of the critically acclaimed 2015 deep-sea horror game Soma, horror is also about exploring the human experience rather than merely the malevolent.

“I believe it embodies a different type of fear,” he says. “There are no grand plot twists or constant frights. The focus is on compelling players to confront uncomfortable inquiries: What does it mean to be human? What does it mean to be conscious? What renders life worthwhile?”

Dismissing gore and dark surprises, at Soma, silence and philosophical inquiry become central to the experience. “The key to horror narratives across mediums is allowing the audience to draw their own conclusions,” Grip emphasizes. “If the narrative merely declares, ‘There’s something eerie, please be scared,’ it lacks depth. The most effective horror provokes deeper contemplation.”

Terror of the deep sea…Soma. Photo: Friction game

The unknown and a twist on the familiar

Another element of delight is the fear of the unknown, with anxiety often stemming from what remains unseen. “You shouldn’t reveal everything,” Grip states. “Players are granted only a glimpse, allowing their imaginations—filled with personal fears and anxieties—to fill the void. That’s where genuine horror resides.” The creatures in Soma embody that notion. “The key lies in familiarity,” he explains. “The best monsters evoke the thought, ‘Something is off…’ and the more they are seen, the more chilling they become. People respond strongly to things that appear infectious and unhealthy, triggering a primal fear.”

In the 2021 indie horror sensation Poppy Playtime, horror takes on a playful twist within a charming yet deadly toy factory. “Nostalgia is inherently vulnerable. When we reflect on our childhoods, we often associate them with safety, but when those memories are distorted, we experience a visceral reaction,” comments Zach Belanger, CEO of Poppy Playtime Studios, Mob Entertainment.

The effectiveness of Huggy Wuggy lies in our inquiry, ‘How can something feel both delightful and unsettling simultaneously?’” he declares regarding the game’s fluffy antagonist.

Pixels are scary…loop // error. Illustration: Coropixel Studio

Psychological horror in 2025’s loop // error invokes dread through suggestion, leveraging a blocky black-and-white pixel art style that leaves details to the imagination. “Utilizing pixelated visuals and a conscious absence of color creates an unusual atmosphere; your mind visualizes something that isn’t actually present,” says Koro, an independent developer. “It’s reminiscent of recalling a nightmare: hazy and incomplete yet emotionally potent.”

“The horror in Loop//Error is not reliant on clichés,” Koro adds. “It springs from deep within the human psyche, observing your mental collapse and realizing that the most terrifying place you can be trapped is within yourself.”

interactive elements

Lastly, another significant component that heavily influences horror in video games is interactivity.

“In games, you’re not just passive observers; you’re immersed in the experience, which heightens your emotions. Your heart races, yet you retain control,” explains psychologist Kieron Auckland, a cyberpsychology expert at Arden University.

Daniel Knight, creator of the 2020 ghost-hunting multiplayer game Phasmophobia, concurs. “The game fully engulfs you in fear,” he describes of the title that captivated Twitch audiences upon its release. “When you open a door or step into a dark space, you’re the one who feels the terror. You bear the consequences of what unfolds.”

Grip also believes this aspect contributes to the genre’s sustainability. “In video games, you make choices that lead you toward peril,” he states. “It’s personal. The fear arises from you being the one stepping into a dimly lit passage.”

Ultimately, horror films revolve around actions taken in darkness, whereas video games afford players a chance for exploration.

Source: www.theguardian.com

Quantum-Inspired Algorithm May Uncover Hidden Cosmic Objects

Galaxy clusters create gravitational lenses, bending light around them

NASA, ESA, Michael Gladders (University of Chicago); Acknowledgment: Judy Schmidt

Quantum physics might hold the key to unraveling the mysteries of celestial objects that remain undetectable or poorly observed through telescopes.

In our quest to comprehend the universe, we gather and scrutinize light emitted by stars and various celestial entities. However, this light often doesn’t travel in a straight path. When passing near massive entities like planets or black holes, the light’s trajectory can curve, resulting in a distorted image, akin to having an additional lens in the process.

Considering smaller objects that lack significant mass, traditional imaging strategies often fall short when dealing with “microlensing” effects. Researchers including Liu Zhenning at the University of Maryland have demonstrated that light analysis protocols that respect the quantum aspects may yield superior results.

They aimed to utilize the quantum features of light to deduce the mass of objects responsible for microlensing. According to Liu, microlensing is detectable when light brightness increases, signaling the presence of an object obscuring our view. However, if this object doesn’t possess substantial mass, its weight remains indeterminate from the light characteristics already measured by the telescope. Such bodies could encompass solitary small black holes or wandering planets.

Given that light consists of photons—quantum particles—there’s valuable information embedded in the quantum nature of its journey to Earth. Notably, when a photon encounters multiple paths around an object, the travel time discrepancies impact its quantum properties. Due to the wave-like characteristics of quantum particles, these photons can traverse both paths simultaneously, mimicking a water wave around a rock. The team’s methodology is adept at analyzing the time differences of both routes, which can be transformed into mass estimates for the objects.

Liu mentions that while planets and black holes inducing microlensing may not be completely imperceptible by other means, these techniques could necessitate more light collection, implying the need for larger telescopes. Quantum methods, however, can function effectively even with smaller photon counts.

For instance, his team’s mathematical assessments indicate that their protocol is particularly effective for stars located in the galactic bulge, a section of the Milky Way where dark matter candidates have been previously identified using gravitational lensing techniques. Because this new approach doesn’t demand a sophisticated quantum computer and can be employed with more conventional devices combined with classical computers to capture and analyze individual photons, it’s poised for real-world testing in the near future.

Daniel Oy, a professor at the University of Strathclyde in the UK, asserts that quantum methodologies significantly enhance the extraction of time-delayed data from light, an enhancement he characterizes as a pivotal advancement in quantum technology. He posits that since quantum theory sets limits on measurement precision in physics, it aligns perfectly with the challenge of detecting faint astronomical signals like those from a limited number of photons.

reference: arXiv, DOI: 10.48550/arXiv.2510.07898

topic:

  • astrophysics/
  • quantum physics

Source: www.newscientist.com

Millions of Adults Struggle with Hidden ‘Type 1.5’ Diabetes: Here’s What You Need to Know

You might be surprised to discover that diabetes encompasses more than just two types. While Type 1 and Type 2 are well-known, you may have come across Type 1.5, which has recently gained attention.

Type 1.5 diabetes, formally known as Latent Autoimmune Diabetes (LADA), is not a new variant of diabetes but is relatively uncommon. It has been recognized as a distinct type since 1993; comprising 3 to 12 percent of all adult diabetes cases.

Nonetheless, LADA is challenging to diagnose due to its similarities with the more prevalent types, often resulting in misdiagnosis. Recent studies indicate that misdiagnosis occurs frequently, with 14% of individuals diagnosed with type 2 diabetes potentially having LADA.

Like type 1 and type 2 diabetes, LADA is characterized by elevated blood sugar levels, or glucose, in the blood.

Regardless of the diabetes type, symptoms remain consistent. These include intense thirst, frequent urination, fatigue, and unexpected weight loss. The UK’s leading charity against diabetes notes these include the “four T’s”: thirst, toileting, tiredness, and thinness. diabetes uk

If you experience these symptoms, prompt diagnosis is crucial. Left untreated, diabetes can lead to severe complications affecting the kidneys, eyes, feet, and even nerves.

So, if the symptoms are similar across diabetes types, how can healthcare experts discern which type you have? And how does this differentiation influence treatment?

Comparing Type 1.5 Diabetes to Type 1 and Type 2 Diabetes

Diabetes, in its various forms, has affected humans throughout history. Ancient healers in Greece, India, and Egypt frequently mentioned a peculiar symptom: sweet-smelling urine. Thus, the term diabetes derives from the Greek word “diabetes,” meaning to pass, and the Latin word “mellitus,” meaning sweet.

This sweet-smelling symptom arises from the buildup of glucose in the body. Glucose is processed by a hormone called insulin, produced by the pancreas, which converts it into a usable energy source for cells.

Glucose buildup occurs when the body either:

  • Fails to produce sufficient insulin (as in type 1 diabetes)
  • Or does not respond effectively to insulin (as seen in type 2 diabetes)

In both scenarios, the kidneys struggle to reabsorb excess glucose in the bloodstream. When they cannot eliminate glucose effectively, surplus sugar spills into the urine, indicating the presence of disease.

LADA shares numerous traits with these two predominant diabetes types, leaning closer to type 1 than type 2.

Finger prick test provides an immediate overview of blood sugar levels.

One significant reason individuals with type 1 diabetes have insufficient insulin is that their immune system attacks pancreatic cells responsible for insulin production. As these cells decline, the body struggles to maintain glucose levels.

The same is true for LADA. An influx of immune cells targets the pancreas, leading to decreased insulin production and gradually rising blood sugar levels. However, the timeline for the onset of the disease differs.

Type 1 diabetes typically has a rapid onset, often diagnosed in childhood or during a clinical emergency. In contrast, LADA progresses slowly and usually occurs in adults over 30.

As we age, a protective layer known as the periislet basement membrane (BM) develops around insulin-producing pancreatic cells. Current understanding suggests that this layer shields these cells from immune system attacks.

“By the time LADA autoimmunity begins, the pancreas [cells] have formed larger structures that provide better protection against immune attacks.” Sarah Richardson, Professor of Cellular Biomedicine, University of Exeter.

Thus, LADA’s onset resembles type 2 diabetes, which typically manifests in adults. Due to this similarity, up to 14% of individuals diagnosed with type 2 diabetes may actually have LADA.

Significance of Misdiagnosis

The primary treatment for type 2 diabetes is a medication called metformin. Administered in pill form, metformin works in two ways: it not only restricts the liver from absorbing excessive glucose but also enhances the body’s sensitivity to insulin.

However, a clear management strategy for LADA is still not established. While metformin may be prescribed, insulin replacement therapy could also be necessary. If someone has LADA misdiagnosed as type 2 diabetes, they might receive metformin when insulin is the actual requirement.

Taking inappropriate medication over extended periods can elevate blood sugar levels. Chronically high blood sugar can lead to severe complications, including heart disease, stroke, eye issues (retinopathy), foot problems (ranging from increased susceptibility to infections and ulcers to sensory loss), kidney disease (nephropathy), and nerve disorders (neuropathy).

A 2018 study published in diabetes medicine discovered that LADA patients are more likely to develop severe neuropathy compared to those with type 2 diabetes.

LADA can also invoke damage to small blood vessels, termed microvascular disease. A 2020 study indicated that strict glycemic control from the onset of LADA significantly decreases the risk of subsequent microvascular disease.

Consequently, minimizing misdiagnosis rates is vital for individuals with LADA. Fortunately, there are effective methods to distinguish LADA from type 1 and type 2 diabetes.

The first and foremost step a doctor can take is to check for antibodies. These antibodies incorrectly signal the immune system to attack insulin-producing pancreatic cells. Finding at least one antibody suggests the presence of autoimmune diabetes. Elevated antibody levels may indicate a more rapid progression of LADA.

This principle also applies when multiple antibodies are present. In such cases, immediate insulin treatment becomes crucial to help manage blood sugar levels more effectively.

Practitioners may also assess a person’s insulin output. This can be done by measuring a blood protein known as c-peptide, which is produced during insulin synthesis in the pancreas. Elevated c-peptide levels may respond well to metformin. However, if the levels are significantly low or undetectable, immediate insulin therapy should be initiated. In LADA, c-peptide levels tend to diminish over time, and it is recommended to conduct tests every six months.

A person’s body composition can further indicate LADA. Individuals exhibiting symptoms of the “four T’s” (thirst, frequent urination, fatigue, and weight loss) who maintain relatively low fat levels or body weight are generally more inclined to have LADA than type 2 diabetes. Additionally, LADA patients typically possess favorable cholesterol levels, which can aid in refining the diagnosis.

Once an accurate diagnosis is established, LADA can be treated appropriately. It’s critical to reach this point with guidance from healthcare professionals.

Read more:

Source: www.sciencefocus.com

Stunning Images Uncover the Hidden World of Fascinating Plants and Fungi

Brugmansia Suaveolens

Jill Pflugheber and Steven F. White

For millennia, individuals have harnessed the transformative power of plants and fungi, using substances like ayahuasca, cannabis, psilocybin mushrooms, and tobacco in spiritual ceremonies to reshape their perceptions of reality.

Justiceia Pecteris

Jill Pflugheber and Steven F. White

Recently, a new book sheds light on these psychoactive and medicinal plants and fungi, revealing their intricacies through advanced microscopy techniques.

Virola theiodora

Jill Pflugheber and Steven F. White

Utilizing confocal microscopy, which employs laser scans at varying depths to produce sharply focused images of intricate specimens, this advanced technique is primarily used in academic research.

Neltuma pallida

Jill Pflugheber and Steven F. White

Jill Pfluber from the University of Kentucky applied confocal microscopy to explore 50 revered plants and fungi across the United States. Her findings contribute to Microcosm: Sacred Plants of the Americas, a publication co-authored with independent historian Stephen F. White.

Cannabis

Jill Pflugheber and Steven F. White

The outcome is a captivating exploration into the hidden complexities of some of the world’s most esteemed plant species, as explained by White. He emphasizes their goal of creating “plant art” that challenges and enriches people’s understandings of sacred plants. “We aspire for those who encounter Microcosm to develop a newfound respect for these plants,” he states.

Theobroma cacao

Jill Pflugheber and Steven F. White

From their primary photography, the images present some results of their exploration: Brugmansia Suaveolens; Justicia Pecteris; Virola theiodora; Neltuma pallida; Cannabis; and Theobroma cacao.

topic:

Source: www.newscientist.com

Revolutionary Video Unveils Hidden Aspects of Human Fertility

For the first time, real-time footage of human embryos being implanted into an artificial uterus has been recorded.

This remarkable achievement, published in the journal Advances in Science, offers an unparalleled glimpse into one of the crucial stages of human development.

Implantation failure is a leading cause of infertility, responsible for 60% of miscarriages. Researchers aim to enhance understanding of the implantation process to improve fertility results in both natural conception and in vitro fertilization (IVF).

“We can’t observe this, due to the transplantation in the mother,” stated Dr. Samuel Ojosnegros, head of bioengineering at the Institute of Bioengineering (IBEC) and the lead author of the study, as reported by BBC Science Focus.

“Thus, we required a system to observe how it functions and to address the primary challenges to human fertility.”

Implantation marks the initial phase of pregnancy, where the fertilized egg (developing embryo) attaches to the uterine lining, allowing it to absorb nutrients and oxygen from the mother—vital for a successful pregnancy.

To investigate this process, the research team developed a platform that simulates the natural uterine lining, utilizing a collagen scaffold combined with proteins essential for development.

The study then examined how human and mouse embryos implant onto this platform, uncovering significant differences. Unlike mouse embryos that adhere to the uterine surface, human embryos penetrate fully into the tissue before growing from within.

https://www.youtube.com/watch?v=1p3in1fzrec

Video showing the implantation process of mouse embryos (left) and human embryos (right).

“Human embryos are highly invasive,” said Ojosnegros. “They dig a hole in the matrix, embed themselves, and then grow internally.”

The footage indicated that the embryo exerts considerable force on the uterus during this process.

“We observed that the embryo pulls, moves, and rearranges the uterine matrix,” stated Dr. Amélie Godeau, co-first author of the research. “It also responds to external force cues. We hypothesize that contractions in vivo may influence embryo transfer.”

According to Ojosnegros, the force applied during this stage could explain the pain and bleeding many women experience during implantation.

Researchers are currently focused on enhancing the realism of implantation platforms, including the integration of living cells. The goal is to establish a more authentic view of the implantation process, which could boost the likelihood of success in IVF, such as by selecting embryos with better implantation potential.

“We understand more about the development of flies and worms than our own species,” remarked Ojosnegros. “So enjoy watching the film.”

Read more:

Source: www.sciencefocus.com

Why Hidden ADHD Often Reemerges in Women During Adulthood

There’s a noticeable increase in ADHD diagnoses among women experiencing menopause and postmenopause. This is likely due to a mix of hormonal changes and improved awareness. ADHD manifests differently in women.

The hormonal shifts during menopause impact both reproductive health and brain chemistry, with estrogen and progesterone levels undergoing significant fluctuations.

As estrogen decreases, women often struggle to manage pre-existing ADHD symptoms, leading to issues like poor attention and emotional instability.

Symptoms that were once manageable may intensify, prompting women to seek help.

However, hormones aren’t the sole factor. Increased awareness of ADHD also plays a vital role. Traditionally viewed as a “childhood disorder,” ADHD was primarily identified through hyperactivity and disruptive behaviors.

Women often exhibit more nuanced symptoms that can be overlooked or attributed to other issues like forgetfulness or anxiety.

In recent times, clinicians and the general public are increasingly adept at identifying ADHD in women, thanks in part to the widespread awareness generated by social media and advocacy efforts. This may account for the rise in overall ADHD diagnoses, particularly in women during menopause.

For many women, menopause offers a moment of introspection, encouraging them to connect past challenges with ADHD.

The interplay of hormonal changes and heightened awareness makes this a crucial time for women seeking diagnosis and support.

Though this life stage may seem overwhelming, with appropriate treatment and guidance, women can reclaim control and find joy during this transformative phase.


This article addresses the question (posed by Cathy Davy via email): “Why are more menopausal women diagnosed with ADHD?”

For questions, please reach out via email to Question @sciencefocus.com or Message Facebook, Twitter, or Instagram (please include your name and location).

Explore our ultimate Fun Fact and more fascinating science pages.


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Source: www.sciencefocus.com

Powerful Image Captures the Hidden Struggles of Southeast Asia’s Fishing Industry

Fishermen unload their catch in the Philippines

Nicole Tung

These striking images capture the efforts of photographer Nicole Tung, who dedicated nine months to documenting the human and environmental toll of overfishing in Southeast Asia. Since the 1950s, fishing has rapidly evolved from a traditional craft into a global industry, primarily in developed nations. The rise in overfishing and illegal catch practices is alarming, driven by the increasing demand from a growing population.

Tung emphasizes the significance of the region as a vital part of the global fisheries market. Her project received funding from the €50,000 Kaminyak Photojournalism Award for fieldwork, which shifted her perspective on seafood consumption. Rather than suggesting complete abstention, she advocates for greater awareness and informed choices from consumers.

She expressed her distress over harrowing accounts from Indonesian fishermen, who detailed the violence and dreadful conditions they encounter at sea.

The image above illustrates a fisherman delivering a catch of tuna at General Santos fishport in the Philippines after a month at sea, including Bigger Tuna and Blue Marlin.

Thai dock worker

Nicole Tung

In other scenes, dock workers from Myanmar sort fish species being offloaded in Ranong, Thailand. Below, the indigenous Ulak Roy people and Thai villagers from Koh Lipe gather wood from nearby islands during a festival celebrating the end of the fishing and tourism season. They utilize the materials to construct ceremonial boats as offerings to their ancestors.

Indigenous Urak Lawoi people and Thai villagers sail their boats in Thailand

Nicole Tung

In this concluding image, a family of Filipino fishermen prepares bait for their fishing line in Quezon, Palawan, Philippines.

Family preparing to fish in the Philippines

Nicole Tung

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Source: www.newscientist.com

How Lack of Hidden Sleep Affects Your Brain

In 1964, a San Diego high school student named Randy Gardner participated in a Science Fair Project by staying awake for an astounding 11 days.

By the second day of the experiment, Gardner began to experience memory lapses. By the seventh day, he suffered from intense hallucinations, and by the 11th day, he exhibited inconsistencies, paranoia, and muscular tremors.

Fortunately, the 17-year-old fully recovered without any lasting effects. No one has surpassed this record since then, as noted in the Guinness Record Book. Due to health concerns, sleep deprivation records were discontinued in 1997.

However, cognitive decline can occur without an 11-day deprivation; even a few nights of poor sleep can lead to diminished functioning, memory recall, and emotional regulation.

Now, let’s explore the science behind sleep and its impact on brain performance.

What happens to your brain while you’re sleeping?

Photo credit: Getty

During sleep, our brains engage in essential repairs and various tasks, including removing waste and detoxifying itself.

Short-term memories are organized, long-term memories in the neocortex are solidified, and REM sleep plays a crucial role in problem-solving and emotional regulation.

But it’s not just all activity; there are restorative phases during non-REM sleep stages 1, 2, and 3, which slow the heartbeat, relax the muscles, and reduce brain wave activity—with brief bursts during stage 2.

In REM sleep, brain activity intensifies, resembling the state of wakefulness. The amygdala and hippocampus are highly active, aiding in memory processing and emotion regulation. This dream phase supports creative thinking when you wake up.

Brain impacts of poor sleep




Lack of sleep or poor sleep quality can impact your brain’s performance in several ways.

The prefrontal cortex, responsible for decision-making and problem-solving, becomes less effective. This leads to reduced attention, cognitive flexibility, and working memory.

An overactive amygdala can hinder the emotional contextualization of information, and difficulties in storing information in the cortex weaken memory integration.

Other short-term effects of inadequate sleep include:
• Impaired judgment
• Slowed reaction times
• Declined risk assessment

When sleep deprivation becomes normal




For individuals with chronic sleep disorders, these short-term consequences are part of their everyday reality.

Moreover, chronic sleep deprivation has serious ramifications. Research conducted by the National Medical Library reveals a link between chronic sleep deprivation and Alzheimer’s disease.

“Studies indicate that sleep performs essential housekeeping, such as clearing potentially harmful beta-amyloid proteins,” states the Sleep Foundation.

“In Alzheimer’s disease, the aggregation of beta-amyloid leads to cognitive decline. Even one night of sleep deprivation can increase the accumulation of beta-amyloid in the brain.”

According to one study, individuals with sleep disorders have a significantly elevated risk of developing Alzheimer’s, with an estimated 15% of cases linked to lack of sleep.

Maintaining brain health and cognitive function heavily relies on regular, quality sleep, making it essential to optimize your sleep environment.

Optimizing sleep quality




Hästens, a bed maker based in Sweden, recognizes the vital importance of quality sleep. Since 1852, Hästens has crafted handmade beds in the Swedish town of Kaepi, taking up to 600 hours and using only natural materials.

“A good night’s sleep will enhance your performance,” notes Hästens. “In today’s fast-paced world, sleep may feel like a luxury, but from a medical standpoint, it’s crucial for a strong immune system and overall health.”

Explore the full range of Hästens beds and accessories, and learn more about the benefits of quality sleep here.




Local Hästens Sleep Spa bed tests can be booked online www.hastens.com or at your nearest certified retailer.

Source: www.sciencefocus.com

Unlocking Emotions: Uncovering Hidden Indicators of Brain Aging

As we age, it’s common to perceive others as more content, as revealed by a recent study.

Researchers have discovered that older adults often exhibit a “positive bias” in interpreting facial expressions. This suggests they are more inclined to classify neutral or negative faces as happy rather than sad or angry.

“This indicates they tend to interpret vague or ambiguous expressions as ‘happy’ instead of ‘sad’ or ‘angry,'” noted Dr. Noham Wolpe in an interview with BBC Science Focus. “Crucially, this bias correlates with subtle cognitive decline and alterations in the specific brain circuits responsible for emotional processing and decision-making.”

Using data from over 600 adults, the research team examined this phenomenon through emotion recognition tasks along with brain imaging techniques.

They found structural variations in the hippocampus and amygdala—key regions for memory and emotion—and changes in connectivity with the orbitofrontal cortex, which plays a role in weighing emotional information and guiding decisions.

“These regions form crucial networks that aid in interpreting emotional signals and informing decisions,” Wolpe explained, highlighting how the relationship between the orbitofrontal cortex and amygdala strengthens in adults facing cognitive decline.

“This enhancement may lead them to perceive ambiguous or neutral emotional signals as positive, a phenomenon known as positive bias,” he remarked, noting that the reason behind this increased connectivity associated with cognitive decline is still unknown.

Researchers remain uncertain why the interamygdala connectivity and orbitofrontal cortex, highlighted in red, strengthen in individuals with cognitive decline – Trust: Getty

Although this research is in its nascent stages, its implications are significant. Positive biases might one day serve as early indicators of dementia, as changes in emotional processing frequently precede memory impairment.

“While emotion recognition tests are not yet ready to replace current cognitive assessments, in the future they could be combined with standard screening methods to enhance early detection,” Wolpe stated.

Wolpe and his team are already investigating innovative approaches, such as immersive virtual reality tasks, to better understand how people instinctively respond to emotional signals.

The next objective is to determine if this positive bias can actually forecast cognitive decline. The team has recently concluded a follow-up evaluation of participants in the Cambridge Aging and Neuroscience Research, approximately 12 years after the original assessments. Participant data is also being linked to GP records to monitor dementia diagnoses.

“A crucial takeaway,” Wolpe mentioned, “is that subtle biases in how we perceive others’ expressions can signal early brain changes, long before the typical signs of dementia manifest.”

“Grasping these connections could pave the way for quicker detection and ultimately more effective interventions.”

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About our experts

Noham Wolpe is a senior lecturer at the Sagol School of Neuroscience at Tel Aviv University. His research focuses on understanding the interplay between cognition, mental health, and behavior, both in health and disease.

Source: www.sciencefocus.com

Archaeologists Reveal the Hidden Secrets of Pompeii’s Vibrant Legacy

When Mount Vesuvius erupted in 79 AD, it buried Pompeii under a meter of ash and pumice, effectively freezing the Roman city in time. However, a new study reveals that the story didn’t end there. Life persisted for centuries, emerging among the abandoned structures in significantly altered forms.

Recent findings from restoration efforts in the city’s southern quarter indicate that Pompeii was reoccupied shortly after the eruption and remained inhabited until at least the fifth century.

“Researchers and archaeologists have always been intrigued by the idea of people returning to Pompeii, but this was often overshadowed by a focus on the remarkably preserved artwork from before 79 AD,” said Gabriel Zuchtliegel, director of Pompeii Archaeological Park and lead author of the new study, in an interview with BBC Science Focus.

However, the resettlement was a shadow of Pompeii’s former self. “The reoccupation of Pompeii was not comparable to the city as it existed before AD 79,” Zuchtliegel stated.

“It resembled more of a slum—a highly unstable and unstructured settlement. As far as we know, there were no temples or public buildings.”

A collection of ceramic containers (amphorae), fragments, tiles, and marble repurposed by the inhabitants of this space after 79 AD – Credit: Archaeological Park in Pompeii

Families fashioned makeshift homes on the remaining upper floors of the buried buildings, while the lower levels (previously above ground) were transformed into hearths and caves, complete with ovens and small workshops.

But who chose to return to the devastated city? According to Zuchtliegel, these residents were likely those with limited options. “Certainly, they would have preferred to live elsewhere if possible, but some may not have had other resources.”

There was also an additional motivation: the opportunity to reclaim treasures buried beneath the ash. “A vast amount of wealth lay hidden underground, including metals, statues, coins, and marble,” Zuchtliegel noted.

“People may have initially returned to unearth the ruins of Pompeii… over time, vegetation would have reclaimed the land, creating a green and thriving landscape.”

This fragile community endured for centuries. Alongside the broader decline of the Western Roman Empire, it likely ceased to exist after another eruption in 472 AD. “There may have been general demographic declines, migration, and hardships related to the collapse of centralized governance,” Zuchtliegel explained.

“It’s astonishing to see how people endure and cope in such extreme circumstances.”

About our experts

Gabriel Zuchtliegel is the director of the Archaeological Parks in Pompeii. He studied Classical Archaeology at Humboldt University in Berlin and obtained his PhD from the University of Bonn.

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Source: www.sciencefocus.com

Hidden Food Allergens Often Trigger Serious Reactions

Buckwheat seems to be a significant contributor to severe food allergies

Shutterstock/Buntovskikh Olga

It appears that roughly one in seven instances of life-threatening allergic reactions is triggered by foods that lack allergen labeling, prompting researchers to call for policy changes in this area.

Food allergies are rising in prevalence; however, many regulatory allergen lists have not been updated in many years. For instance, the European Union’s Essential labeling of food lists mandates the disclosure of 14 different food allergens, like peanuts and soy, but relies on data that dates back to 2011.

To explore less recognized allergens, Dominique Sabouraud-Leclerc from Centre Hosvia University in France conducted an analysis along with her colleagues, examining 2,999 reports of food-induced anaphylaxis that were voluntarily submitted by medical professionals within an allergenic environment network from 2002 to 2023.

The research aimed to identify emerging food allergens, defined as substances not listed in the European Essential Labeling List but responsible for at least 1% of reported cases.

The researchers found that goat milk, sheep milk, and buckwheat accounted for 2.8% and 2.4% of cases, respectively. Following these, peas, lentils, and alphagal (sugars that can induce allergies to lean meat and other mammalian products) each contributed to 1-2% of reported incidences. Apple products and beeswax items, such as edible pollen, honey, and royal jelly, were also responsible for 1% of cases.

In total, new food allergies constituted 413 cases, approximately 14% of the overall reports.

In terms of reaction severity, goat and sheep cheese elicited particularly dangerous responses, especially among young boys, leading to two fatalities. Recurrent reactions and unexpected exposures, often found in sauces and thickeners primarily made from goat and sheep dairy, were most prevalent, followed by peas, lentils, buckwheat, and pine nuts.

In light of these findings, the team recommended incorporating these four food types into the essential European warning labels. These ingredients should be clearly highlighted on packaging, such as through bold text.

“Our primary aim is to safeguard allergic consumers and ensure they have access to clear information,” said Sabouraud-Leclerc. “This encompasses quality patient care, including proper diagnosis, education, emergency preparation, and understanding food labels.”

The data collected were primarily from France, Belgium, and Luxembourg, but the findings are likely relevant to other nations, with some variations in prevalence based on local culinary practices, according to Sabouraud-Leclerc. “Updating the EU list could inspire similar actions in other countries, creating a snowball effect,” she added.

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Source: www.newscientist.com

Decam Reveals Hidden Cluster Light in Galaxy Cluster Abell 3667

The glow within the cluster is the soft luminosity of stars that have been stripped from their galaxy amidst the layers of galaxy clusters.



Abell 3667 is depicted in this Decam image. Image credits: CTIO/NOIRLAB/NSF/AURA/ANTHONY ENGLERT, Brown University/TA Rector, Noirlab/M. Zamani & D of University of Alaska Anchorage & NSF. De Martin, NSF’s Noirlab.

Galaxy clusters comprise thousands of galaxies, varying widely in age, shape, and size.

Typically, they have a mass about 10 billion times that of the Sun.

Historically, galactic clusters were regarded as the largest structures in the universe, spanning hundreds of millions of light-years and including numerous galactic clusters and groups, until superclusters were discovered in the 1980s.

Nonetheless, galaxy clusters still hold the title of the largest gravitationally bound structure in the universe.

“The study of galaxy clusters not only informs us about the formation of the universe, but it also places constraints on the characteristics of dark matter,” stated Brown University astronomer Anthony Englat and his team.

One significant clue astronomers seek to grasp the history of galactic clusters is the light within the cluster. This faint glow is emitted by stars that have been stripped from their original galaxy due to the immense gravitational forces of the forming galaxy cluster.

These stars provide evidence of past galactic interactions, although most current telescopes and cameras face challenges in detecting them.

The subtle intra-cluster light from the galaxy cluster Abel 3667 shines vividly in new images created from a total of 28 hours of observation at 570 megapixels using the Dark Energy Camera (Decam) at NSF’s M. Blanco 4-M Telescope, a program of NSF’s Noirlab at Cerro Tololo Inter-American Observatory.

“Abell 3667 is located over 700 million light-years away from us,” the astronomer mentioned.

“Most of the faint light sources in this image are distant galaxies, not foreground stars from our own Milky Way.”

“In Abell 3667, two small galaxy clusters are currently merging, as evidenced by the luminous bridge (yellow) of stars extending toward the center of this image.”

“This bridge is formed from material stripped off from the merging galaxies, forming one massive conglomerate known as the brightest cluster galaxy.”

“Not only does this sparkling sky encompass distant galaxies, but it also highlights faint foreground features due to the prolonged exposure.”

“The Milky Way’s hair follicles, or integrated flux nebula, consist of faint clouds of interstellar dust that appear as soft bluish chains crossing the image.”

“These structures are patches of dust that are illuminated by the light of the stars within our own galaxy.”

“They present as diffuse, filamentous formations that can span extensive areas of the sky.”

Survey results will be published in the Astrophysics Journal Letter.

____

Anthony M. Engrat et al. 2025. Announcing optical bridges in Abel 3667 in-cluster light: LSST precursor data. apjl 989, L2; doi: 10.3847/2041-8213/ade8f1

Source: www.sci.news

Hidden Superpowers of Hibernating Animals Might Be Within Human DNA

Recent research conducted by scientists at the University of Utah sheds light on unlocking hibernation abilities, potentially paving the way for treatments that could reverse neurodegeneration and diabetes.

Investigating the evolution of hibernation in certain species like helinates, bats, ground squirrels, and lemurs can unveil the mysteries of their extraordinary resilience. Image credit: Chrissy Richards.

Gene clusters known as fat mass and obesity (FTO) loci are crucial to understanding hibernation capabilities. Interestingly, these genes are also present in humans.

“What stands out in this region is that it represents the most significant genetic risk factor for obesity in humans,” states Professor Chris Greg, the lead author of both studies from the University of Utah.

“Hibernators seem to leverage genes in the FTO locus uniquely.”

Professor Greg and his team discovered DNA regions specific to hibernation factors near the FTO locus that regulate the expression of nearby genes, modulating their activity.

They hypothesize that hibernators can accumulate weight prior to entering winter by adjusting the expression of adjacent genes, particularly those at or near the FTO locus, utilizing fat reserves gradually for winter energy needs.

Moreover, regulatory regions linked to hibernation outside the FTO locus appear to play a significant role in fine-tuning metabolism.

When the research team mutated these hibernation factor-specific regions in mice, they observed variations in body weight and metabolism.

Some mutations accelerated or inhibited weight gain under specific dietary conditions, while others affected the mice’s ability to restore body temperature post-hibernation or regulate their overall metabolic rate.

Interestingly, the hibernator-specific DNA regions identified by researchers are not genes themselves.

Instead, this region comprises a DNA sequence that interacts with nearby genes, modulating their expression like conductors guiding an orchestra to adjust volume levels.

“This indicates that mutating a single hibernator-specific region can influence a broad array of effects well beyond the FTO locus,” notes Dr. Susan Steinwand from the University of Utah. First study.

“Targeting a small, inconspicuous DNA region can alter the activity of hundreds of genes, which is quite unexpected.”

Gaining insight into the metabolic flexibility of hibernators may enhance the treatment of human metabolic disorders like type 2 diabetes.

“If we can manipulate more genes related to hibernation, we may find a way to overcome type 2 diabetes similar to how hibernators transition back to normal metabolic states,” says Dr. Elliot Ferris, Ph.D., of the University of Utah. Second survey.

Locating genetic regions associated with hibernation poses a challenge akin to extracting needles from a vast haystack of DNA.

To pinpoint relevant areas, scientists employed various whole-genome technologies to investigate which regions correlate with hibernation.

They then sought overlaps among the outcomes of each method.

Firstly, they searched for DNA sequences common to most mammals that have recently evolved in hibernators.

“This region has remained relatively unchanged among species for over 100 million years; however, if significant alterations occur in two hibernating mammals, it signals critical features for hibernation,” remarked Dr. Ferris.

To comprehend the biological mechanisms of hibernation, researchers tested and identified genes that exhibited fluctuations during fasting in mice, producing metabolic alterations similar to those seen in hibernation.

Subsequently, they identified genes that serve as central regulators or hubs for these fasting-induced gene expressions.

Numerous recently altered DNA regions in hibernators appear to interact with these central hub genes.

Consequently, the researchers predict that the evolution of hibernation necessitates specific modulations in hub gene regulation.

These regulatory mechanisms constitute a potential candidate list of DNA elements for future investigation.

Most alterations related to hibernation factors in the genome seem to disrupt the function of specific DNA rather than impart new capabilities.

This implies that hibernation may have shed constraints, allowing for great flexibility in metabolic control.

In essence, the human metabolic regulator is constrained to a narrow energy expenditure range, whereas, for hibernators, this restriction may not exist.

Hibernation not only reverses neurodegeneration but also prevents muscle atrophy, maintains health amidst significant weight fluctuations, and suggests enhanced aging and longevity.

Researchers surmise that their findings imply if humans can bypass certain metabolic switches, they may already possess a genetic blueprint akin to a hibernation factor superpower.

“Many individuals may already have the genetic structure in place,” stated Dr. Steinwand.

“We must identify the control switches for these hibernation traits.”

“Mastering this process could enable researchers to bestow similar resilience upon humans.”

“Understanding these hibernation-associated genomic mechanisms provides an opportunity to potentially intervene and devise strategies for tackling age-related diseases,” remarks Professor Greg.

“If such mechanisms are embedded within our existing genome, we could learn from hibernation to enhance our health.”

The findings are published in two papers in the journal Science.

____

Susan Steinwand et al. 2025. Conserved non-coding CIS elements associated with hibernation regulate metabolism and behavioral adaptation in mice. Science 389 (6759): 501-507; doi: 10.1126/science.adp4701

Elliot Ferris et al. 2025. Genome convergence in hibernating mammals reveals the genetics of metabolic regulation of the hypothalamus. Science 389 (6759): 494-500; doi: 10.1126/science.adp4025

Source: www.sci.news

Could Hidden Dehydration Be the Cause of Your Daytime Fatigue?

Thirst is something we all encounter, and it can be quite uncomfortable. It’s also an early indicator of dehydration, which can escalate rapidly. Depending on factors like age, health, and environment, even mild to moderate dehydration can occur within just a few hours, leading to symptoms such as fatigue, dizziness, and confusion. If left unaddressed for 24 hours, severe dehydration can lead to critical issues such as shock and seizures.

Hidden dehydration (or hypochronic dehydration) is a more subtle condition that may arise from prolonged mild dehydration, affecting both physical and mental well-being.

Could this be the reason behind that frightening afternoon slump?

The Impact of Hidden Dehydration

As the name implies, hidden dehydration can be an insidious state, and you might be experiencing its effects without realizing the cause.

According to NHS guidelines, fatigue is one of the primary symptoms associated with hidden dehydration.

Symptoms include:
Dark urine
Dry mouth
Dizziness
Headaches
Lack of concentration

The human body is composed of around 60% water. The brain and heart contain about 73% water, while muscle tissues are made up of 75% water. Dehydration leads to lower blood volume and blood pressure, reducing blood flow to the brain, which contributes to fatigue. After lunch, many individuals naturally feel a drop in energy. However, inadequate hydration throughout the day can amplify this slump.

The NHS advises that adults should drink 6-8 glasses of water (1.2-2 liters) daily. Although staying hydrated is key, how much do we know about the quality of the water we consume?

Why Water Quality Matters

In the UK, we are fortunate to have high standards for drinking water recognized globally. Nonetheless, it still contains hard minerals like calcium and magnesium, which are harmless but may affect the taste for some individuals.

A consistent supply of fresh water can indeed help you meet your hydration goals as advised by the NHS.

“Installing a water filter is one of the simplest methods to enhance your tap water quality,” states Waterdrop Filter. “A filter can eliminate impurities and improve taste.”

What Is Reverse Osmosis?

Reverse osmosis is a purification method used by Waterdrop filters. Water is pushed through a semi-permeable membrane to remove various impurities, including:

Lead, arsenic, and mercury
Chlorine and fluoride
Microorganisms
Dissolved salts and minerals

The Waterdrop filter offers two reverse osmosis systems: the X16 and the A2. The X16 features an 11-step process with a 0.0001μm RO membrane that effectively reduces TDS, PFOA, PFOS, chlorine, fluoride, arsenic, lead, and more. With a flow rate of 1,600 gallons per day, it is ideal for larger households. Note that it requires electrical installation under the sink, and it comes equipped with LED lights and energy-saving modes for water safety.

Check it out here for the Water Drop X16.

The A2 is a compact countertop system ideal for individuals or smaller households. This system includes a five-stage process with a 0.0001 μm RO membrane to minimize TDS, PFOA, PFOS, chlorine, fluoride, lead, and arsenic. It features temperature controls ranging from 10°C to 95°C, along with a touch control screen for customizable temperature and volume settings.

Check it out here for the Water Drop A2.

One Drop at a Time

Elevate your hydration habits by maintaining consistent water intake throughout the day, especially if you struggle with brain fog and fatigue during the afternoon.

For additional information about Waterdrop Filter products, visit this link.

Source: www.sciencefocus.com

How Metaphysics Uncovers Hidden Assumptions to Comprehend Reality

Metaphysics often faces undue criticism. “Many people consider it a waste of time,” states philosopher Stephen Mumford from Durham University, UK, and author of Metaphysics: A Very Short Introduction. “Are they simply arguing over trivial matters, like how many angels can dance on the head of a pin?”

This viewpoint is understandable. Classical metaphysics—originating from the Greek term “meta”—has often grappled with peculiar questions. For instance, what constitutes a table? What shape does color assume? We utilize logical tools like “reductio ad absurdum” to derive conclusions solely from inference. This method seeks to demonstrate the validity of a claim by highlighting absurdities within its negation, quite different from the empirical observations that characterize scientific inquiry.

This article is part of our concept special, exploring how experts view some of the most intriguing scientific ideas. Click here for more information.

Nonetheless, the notion that metaphysics is merely an abstract discipline disconnected from reality is rebutted by Mumford:

Indeed, modern science has encroached upon areas once deemed exclusive to metaphysics, including the nature of consciousness and the implications of quantum mechanics. It’s becoming increasingly evident that both domains are interconnected.

To understand this interplay, one must recognize that everyone inherently possesses metaphysical beliefs, asserts Vanessa Seyfert, a philosopher of science at the University of Bristol, England. For instance, many believe in the existence of objects even when they are not being observed, despite the absence of robust empirical evidence to support this claim.

Moreover, “naturalized metaphysics” emerges from this discussion. Unlike traditional metaphysics, which remains speculative, this version is grounded in scientific understanding, according to Seyfert. “We observe what science reveals about our universe and consider whether we can accept it as literal truth.”

This contemporary metaphysics serves a crucial role for science, as it probes the foundational assumptions behind our understanding of the universe. “In many instances, metaphysical beliefs form the basis upon which empirical knowledge is constructed,” explains Mumford.

Causality—the principle that every effect has a cause—is a prime example. Despite the fact that causality itself is not directly observable, it is a belief we universally hold. “Essentially, the entirety of science operates on this metaphysical premise of causality,” he remarks.

These days, scientists routinely engage with deeply metaphysical concepts, ranging from chemical elements to space and time, as well as the very laws of nature, thereby intensifying the scrutiny of these ideas.

“We can critically evaluate our metaphysical assumptions or choose to overlook them for their validity,” says Mumford. “However, ignoring them means we make unexamined assumptions.”

One notable intersection of science and metaphysics exists in quantum mechanics, which delves into the atomic and subatomic realm. While it stands as a highly successful scientific framework, addressing its implications requires physicists to confront metaphysical queries, such as the interpretation of quantum superpositions.

In this realm, competing interpretations of reality exist without being testable through conventional experiments. It’s increasingly clear that scientific advancement hinges on confronting these hidden assumptions. In response, some researchers are revitalizing the notion of “experimental metaphysics,” aiming to assess the consistency of metaphysical beliefs that prioritize various interpretations of quantum theory.

“Ultimately, you cannot engage in physics without also grappling with metaphysical inquiries,” states Eric Cavalcanti, a prominent proponent of this perspective at Griffith University in Brisbane, Australia. “Both aspects must be addressed simultaneously.”

Explore further stories in this series via the links below:

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Source: www.newscientist.com

The Hidden Dangers of Dogs: What You Need to Know

Mosquitoes are notorious as some of the most lethal creatures on the planet, causing up to 1 million deaths annually due to the diseases they carry, such as malaria and dengue.

However, in the UK, we have 36 native mosquito species that rarely pose a significant threat, thus they do not constitute a part of the three-way tie for the deadliest creature in Britain.

One contender is the dog. Recently, Prime Minister Rishi Snack placed the American XL bully dog on the list of banned breeds after a rise in fatalities associated with dog attacks.

Statistics indicate an average of about three deaths annually. However, in 2022, ten individuals in England and Wales lost their lives due to dog bites. This unfortunate trend can largely be attributed to negligent ownership, particularly with the inclination to breed larger, more powerful dogs.

Small creatures can also be deadly. Therefore, bees and hornets are contenders for the title as well, as 0.5% of the population is allergic to stings, which can lead to fatal anaphylaxis, resulting in two to nine deaths in the UK each year.



The ultimate threat may be less apparent. Picture a serene scene with grazing cattle that cause approximately 4,000 accidents yearly in the UK.

Around five fatalities result from these incidents, primarily affecting the agricultural community, but pedestrians are also at risk. Cows, being prey animals, are instinctively protective of their calves.

Most mishaps occur when natural boundaries are disregarded. Cows can injure individuals by knocking them over or trampling them. It’s advisable to keep dogs on a leash and maintain a respectful distance from herds.

This article responds to the inquiry (Adrianna Gardner, Chelmsford) “What is the deadliest creature in the UK?”

Feel free to email us your questions at questions@sciencefocus.com or reach out through our Facebook, Twitter, or Instagram (please include your name and location).

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Source: www.sciencefocus.com

Hidden Plumes in Earth’s Mantle May Drain Heat from the Core

The Al Haja Mountains of Oman

l_b_photography/shutterstock

Researchers have discovered the first known “ghost plume” beneath Oman, suggesting a column of hot rock rising from the lower mantle with no visible volcanic activity on the surface.

The mantle plume is a mysterious intrusion of molten rock believed to transfer heat from the core-mantle boundary to the Earth’s surface, sometimes occurring beneath the heart of continental plates, as seen in regions like Yellowstone and East Africa. Notably, “these scenarios typically feature surface volcanoes,” states Simone Pilia from King Fahd University of Petroleum and Minerals in Saudi Arabia. Oman lacks such volcanic indicators.

Pilia first hypothesized the existence of this “accidental” plume while examining new seismic data from Oman. The analysis revealed that seismic waves from distant earthquakes travel more slowly through a cylindrical region beneath eastern Oman, indicating it is less dense than surrounding materials due to elevated temperatures.

Additional independent seismic assessments identified critical boundaries where Earth’s deep minerals undergo changes that align with the hot plume’s characteristics. This evidence suggests the plume extends over 660 km from the surface.

The presence of these plumes also explains why the region continues to elevate despite geological compression, a process where the crust is squeezed together. This discovery fits models that explain alterations in Indian tectonic plate movements.

“The more evidence we collected, the more convinced we became it was a plume,” remarks Pilia, who has named this geological feature the “Dinni plume” after her son.

“It’s plausible that this plume exists,” agrees Saskia Goes at Imperial College London, adding that this study is “thorough.” Nevertheless, she emphasizes that identifying narrow plumes is notoriously challenging.

If verified, the existence of a “ghost plume” trapped within Oman’s relatively thick rocky layers suggests there might be others. “We are confident that the Dinni plume is not alone,” says Pilia.

If multiple hidden plumes exist, it could indicate that heat from the core is transferring more readily through the mantle in these regions, influencing our understanding of Earth’s evolutionary history.

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Source: www.newscientist.com

Toxic Pits: Hidden Treasure Troves for Rare Earth Elements

A tale is shared about miners who discovered copper cans in early mining-era dumps. According to them, wastewater from copper mining flowed across his land, transforming steel cans into copper.

The tale may not be entirely true, but the process is factual and is known as cementation. Montana Resource, which succeeded the Anaconda Copper Company, still employs this alchemical method in the operations at the Continental Pitmine in Butte, Montana.

Adjacent to the mine lies the Berkeley Pit, filled with 50 billion gallons of highly acidic and toxic liquid. Montana Resource channels this liquid from the pits to cascade down iron piles, converting iron into copper for production.

While there have long been methods for extracting metals from water, recent years have ushered in a global rush for metals—vital for manufacturing and technological advancements—leading to a new wave of extraction methods and processes.

Researchers are currently focusing on mineral-rich sources like wastewater, including saline water from desalination plants, oil and gas fracking water, and mining wastewater. Researchers at Oregon State University estimate that the saline water from desalination plants alone contains approximately $2.2 trillion worth of metals.

“Water is a mineral reservoir of the 21st century,” stated Peter S. Fisuke, director of the National Water Innovation Alliance in California at the Department of Energy’s Lawrence Berkeley National Laboratory. “Today’s technology allows us to gather wastewater and extract valuable resources.”

There is extensive research dedicated to recovering rare earth elements—metallic elements sought after due to their increasing demand—from waste. For instance, researchers at Indiana Geological Water Survey at Indiana University are Mining rare earths in coal waste which includes fly ash and coal tails. Additionally, researchers at the University of Texas Austin have created membranes that imitate nature for Separating rare earths from waste.

Utilizing mining wastewater is not only quicker and more economical than establishing a new mine, but it also generates lesser environmental impact.

The vast, contaminated reservoirs in the pit near Butte contain two light rare earth elements (REEs): neodymium and praseodymium. These are crucial for creating small yet powerful magnets, medical technologies, and enhancing defense applications like precision-guided missiles and electric vehicles. Notably, an F-35 Fighter Jet uses around 900 pounds of rare earth metals.

“We’re transforming significant liabilities into assets that contribute to national defense,” remarked Mark Thompson, vice president of environmental affairs at Montana Resources. “There’s a lot of complex metallurgy at play here—the real cutting-edge science.”

This is a crucial moment for exploring domestic rare earth production. The U.S. currently lags behind China, and President Trump’s trade tensions have raised concerns that China may tighten its rare earth mineral exports in response to U.S. tariffs. Experts in mineral security at the Center for Strategic and International Research warn that this gap could enable China to accelerate its defense advancements more swiftly than the U.S.

The Trump administration is particularly fixated on Greenland and Ukraine due to their valuable rare earth deposits.

Trump has recently authorized the government to commence mining on much of the seabed, including areas in international waters, to tap into mineral wealth.

There are 17 distinct types of rare earth metals identified in the Berkeley Pit. While not rare in abundance, they are often deemed scarce due to their dispersion in small quantities.

Rare earths are divided into two categories: heavy and light. Heavy rare earths, including dysprosium, terbium, and yttrium, tend to have larger atomic masses, making them more scarce and thus typically traded in smaller quantities, leading to shortages. In contrast, light rare earths are characterized by a lower atomic mass.

Acid mine drainage is a hazardous pollutant created when sulfur-containing pyrite within rocks interacts with oxygen and water during mining. This process results in the formation of sulfuric acid, which poisons waterways. This environmental issue affects thousands of abandoned mines, contaminating 12,000 miles of streams across the nation.

However, acids facilitate the dissolution of zinc, copper, rare earths, and other minerals from rock formations, presenting an opportunity for extraction techniques that were not previously available.

Paul Ziemkievich, director of the Water Institute at West Virginia University, has been researching Butte’s pit water for 25 years. Alongside a team from Virginia Tech and the chemical engineering firm L3 process development, they developed a method to extract crucial metals from acid mine drainage originating from West Virginia coal mines, the same approach utilized in Butte. Large, densely woven plastic bags filled with sludge from the water treatment plant are employed, allowing water to seep through slowly and yielding about 1-2% rare earth preconcentrate, which requires further refining through chemical processes. The final patented step involves a solvent extraction method that results in pure rare earth elements.

“One of the remarkable aspects of acid mine drainage is that our concentrations are particularly rich in heavy rare earths,” explained Dr. Ziemkiewicz. “Light rare earths carry a lesser value.”

The Butte project is awaiting news on a $75 million grant from the Department of Defense, which is critical for enhancing rare earth enrichment and commencing full-scale production.

Zinc is also abundant in the acid mine drainage mixture and serves as an essential financial asset for the process as it commands a higher market price. Nickel and cobalt are also extracted.

Demand for rare earth elements is high; however, China dominates production, manipulating prices to maintain low costs and stifle competition. This is why the Department of Defense funds various projects focused on rare earth elements and other metals. The U.S. operates only a single rare earth mine in Mountain Pass, California, which produces roughly 15% of the global supply of rare earths.

The Berkeley Pit has posed a chronic problem since 1982, when Anaconda copper companies ceased their open-pit mining operations and halted water pumping, causing it to become filled with water. The acidity levels from the mine’s drainage have proven dangerous; in 2016, thousands of snow geese that landed in the pit quickly succumbed to poisoning, with around 3,000 birds reported dead.

The Atlantic Richfield Company and Montana Resources play crucial roles in permanently treating pit water to avert pollutioning the surrounding groundwater (Montana Resources operates the continental pit adjacent to the Berkeley Pit). The Clean Water Act mandates that companies manage acid mine drainage, and enhancing treatment capabilities at the local horseshoe bend plant is more cost-effective than developing a new facility, which may also offset treatment costs while boosting profits.

Numerous research initiatives have been launched to extract suspended metals from the water. Thompson displayed a map illustrating where radiation was emitted from Butte and where water samples have been dispatched to research facilities nationwide. However, the ongoing metal production process stands as the first to demonstrate profitability.

The mineral wealth present in this region has been recognized for many years; however, extracting it has proven challenging until Dr. Ziemkiewicz’s team innovated new methods. They generate rare earths from two coal mines in West Virginia, where acid mine drainage presents ongoing issues. Each of these mines yields about 4 tons of rare earths annually.

On the other hand, the Berkeley Pit is projected to produce 40 tons annually, bolstered by significantly higher concentrations of rare earths in solution and substantial water content. Dr. Ziemkiewicz believes that this method, when applied to other mines, could potentially satisfy nearly all domestic rare earth requirements for defense-related uses.

However, certain forecasts project that demand for rare earths may surge by as much as 600% in the next few decades.

Lawrence Berkeley laboratories are investigating technologies related to water filtration, particularly experimental approaches to improve membranes, as part of their overarching efforts to purify water, recover significant minerals, and produce necessary minerals. They operate a particle accelerator known as an advanced light source, which generates bright X-ray light that enables scientists to examine various materials at an atomic scale.

The lab has collaborated with external researchers to develop a new generation of filters referred to as nanosponges, designed to capture specific target molecules like lithium.

“It’s akin to an atom catcher’s mitt,” explained Adam Uliana, CEO of Chemfinity, a Brooklyn company exploring the use of nanosponges to purify a variety of waste. “It only captures one type of metal.”

In addition to rare earths, lithium, cobalt, and magnesium have gained significant attention from researchers.

Ion exchange, a well-established technology for extracting metals from water and purifying contaminants, is also gaining interest. Lilac Solutions, a startup based in Oakland, California, has developed specialized resin beads to extract lithium from brine via ion exchange, with plans for their first production facility in Great Salt Lake, Utah.

The company’s technology involves pumping brine through an ion exchange filter to extract minerals, returning water to its source with minimal environmental disruption. If this approach proves viable on a larger scale, it could revolutionize lithium extraction, significantly decreasing the necessity for underground mines and open-pit operations.

Maglathea Metal is an Auckland-based startup that produces magnesium ingots from the saline effluent generated by desalinating seawater. The company processes the brine, which consists of magnesium chloride salts, using a current powered by renewable energy to heat the solution, resulting in the separation of salt from molten magnesium.

CEO Alex Grant noted that the process is exceptionally clean, although it has yet to be applied to magnesium production. Much of the company’s work is funded by the Department of Defense.

With China accounting for 90% of global magnesium production, the current smelting process, known as the Pidgeon process, is highly polluting and carbon-intensive, involving heating to around 2,000 degrees using coal-fired kilns. Dr. Fisuke anticipates further innovations on the horizon.

“Three converging factors are at play,” he stated. “The value of these critical materials is climbing, the expenses associated with traditional mining and extraction are escalating, and reliance on international suppliers, particularly from Russia and China, is diminishing.”

Source: www.nytimes.com