Webb discovers Lyman-Alpha emissions from ancient galaxy in early universe

The light of Lyman Afa from Jades-GS-Z13-1 took us nearly 13.47 billion to contact us, as it dates back just 330 million years from the Big Bang.

This image shows the Jades-GS-Z13-1 (middle red dot) imaged with Webb’s near-infrared camera (Nircam) as part of the Jades program. Image credits: NASA/ESA/CSA/WEBB/STSCI/JADES COLLABORATION/BRANT ROBERTSON, UC SANTA CRUZ/BEN JOHNSON, CFA/Sandro Tacchella, Cambridge/Phill Cargile, CFA/J. Witstok, P. Jakobsen & A. Pagan, Stsci/M. Zamani, Esa & Webb.

NASA/ESA/CSA James Webb Space Telescope’s key scientific goal was to see more than ever before the distant past of our universe, when the first galaxy formed after the Big Bang.

This search has already led to record-breaking galaxies when observing programs such as the JWST Advanced Deep Deep Alactic Survey (Jades).

Webb’s extraordinary sensitivity to infrared also opens up a whole new path for research into when and how such galaxies were formed, and their impact on the universe of the time known as Cosmic Dawn.

Astronomers studying one of these very early galaxies have been discovered in a spectrum of light that challenges our established understanding of the early history of the universe.

The Jades-GS-Z13-1 (GS-Z13-1 for short) was discovered in images taken by Webb’s Nircam (near-infrared camera) as part of the Jades program.

Dr. Roberto Maiolino and colleagues at the University of Cambridge and London used galaxy brightness with various infrared filters to estimate the redshift that measures the distance of a galaxy from Earth, based on how light stretches along the path of a space.

NIRCAM imaging resulted in an initial redshift estimate of 12.9. In an attempt to confirm that extreme redshift, astronomers observed the galaxy using Webb’s near-infrared spectrometer (NIRSPEC) instrument.

The resulting spectrum confirmed that the redshift was 13.0. This is the equivalent of a galaxy seen just 330 million years after the Big Bang, the current 13.8 billion-year-old minority in the universe.

However, unexpected features also stood out. One is the wavelength of light of a particular distinct bright wavelength, identified as Lyman alpha radiation emitted by hydrogen atoms.

This emission was far stronger than astronomers who thought they could be possible at this early stage of space development.

“The early universe was soaked in a thick mist of neutral hydrogen,” Dr. Maiolino said.

“Most of this haze was lifted in a process called reionization, which was completed about a billion years after the Big Bang.”

“The GS-Z13-1 shows the incredibly clear and Telltail signature of the Lyman Alpha radiation, which can only be seen after the surrounding mist has been fully lifted,” he said.

“This result was completely unexpected by early galaxy formation theories, which surprised astronomers.”

“Before and during the reionization, the enormous amount of neutral hydrogen mist surrounding the galaxy blocked the ultraviolet rays of released energy, like the filtration effect of colored glass.”

“Until sufficient stars were formed and the hydrogen gas could ionize, such light, including Lyman Alpha radiation, could not escape these fledgling galaxies and reach Earth.”

“According to Lyman Alpha radiation from this galaxy has therefore had great significance in our early understanding of the universe.”

“We’ve seen a lot of people who have had a lot of trouble with the world,” said Dr. Kevin Hayneline, an astronomer at the University of Arizona.

“We could have thought that early universes were covered in dense mists that would be very difficult to find even a powerful lighthouse peering through, but here, beams of light from this galaxy penetrate the veil.”

“This fascinating emission line has a major impact on how and when the universe has been reionized.”

The source of GS-Z13-1’s Lyman Alpha radiation from this galaxy is yet to be known, but it may contain the first light from the earliest generation of stars formed in the universe.

“The large bubbles of ionized hydrogen surrounding this galaxy may have been created by the star’s unique population, much larger, hotter and brighter than the stars formed at the later epoch, and perhaps representative of the first generation of stars, said Dr. Joris Wittok, an astronomer at Cambridge and Appenhagen University.

“The powerful active galactic nucleus (AGN) driven by one of the first super-large black holes is another possibility identified by our team.”

Team’s Survey results Published in the March 26th issue of the journal Nature.

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J. Wittstock et al. 2025. We witness the onset of reionization with Lyman-α ejection in the redshift13. Nature 639, 897-901; doi:10.1038/s41586-025-08779-5

Source: www.sci.news

Continental Europe’s First Orbital Rocket Launch Ends in Crash

The engine trembled about half the local time on Sunday, with a brave roar, and the 92-foot-high spectral rocket slowly lifted from the launch tower, marking the first lift-off of its kind on the continent of Europe.

The rocket launched by ISAR aerospace from within the Arctic Circle on the space column of Andea Island, Norway, was the first orbital flight to leave Europe, a continent other than Russia. Approximately 30 seconds after the rocket cleared the launchpad, it pitched to the side and plunged back to Earth.

But Daniel Metzler, CEO of Isar Aerospace, was cheerful. He said in a statement that the test flight “meeted all our expectations and was a huge success” despite the crash.

“We had a clean lift-off, a 30-second flight and even validated the end-of-flight system,” Metzler said. The rocket fell directly into the sea, the launchpad was not damaged and no one could be hurt when the spacecraft crashed, he added.

Andøya Spaceport could not be immediately contacted for comment. Previously, they posted on social media that “crisis management” was activated after crash and was working with emergency services and ISAR Aerospace.

The test flight was seven years in 2018 for Isar Aerospace’s Making for Isar Aerospace, a German-based company with a mission to make satellite launches more accessible. There are European companies push Beyond space technology and research, we explore the possibilities of the space sector for defense, security and geopolitics.

“There are about a million things that could be wrong, and in reality, only one method can go well,” said Metzler, CEO of Isar Aerospace, in a video interview before its launch. The team had rescheduled several previous launch attempts, citing unfavourable weather conditions. “Frankly, if we only fly 30 seconds, I’d be happy,” he said at the time.

He said that time would provide the team with a lot of information to analyze and use. And that was the time that mostly had the flights on Sunday.

In the video, Metzler noted that SpaceX, the first private company to launch its own designed rocket into orbit before achieving that milestone in 2008, had failed three attempts.

There are several private companies in Europe design Spaceport for new waves of rockets. Sweden has revamped its old research foundation for its state-of-the-art satellite launch centre north of the Arctic, and the UK has also opened a space centre in Cornwall, far southwest of the UK. However, misfires can be costly. Virgin Orbit, a space company founded by British billionaire Richard Branson, has finally collapsed after an unsuccessful attempt to launch the rocket into orbit in 2023.

“Space has become a very important component of geopolitics and global insights. Of course, it’s a huge economic opportunity,” Metzler said.

The company was initially supported by former senior Space X executive, Bulent Altan. It was raised Its website has raised more than $430 million in funding from international investors, including securing support from NATO innovation. Fund.

Ali Watkins I contributed to this report.

Source: www.nytimes.com

The lingering impact of pregnancy on the body is greater than we realized

Postpartum recovery takes longer than the traditional six-week period commonly referred to as the “fourth stage.” Recent research conducted by biologists at the Wiseman Institute of Science and Helen Schneider Women’s Hospital in Israel, and Yale University School of Medicine in the United States, suggests that it may take more than a year for the body to settle into a new normal after giving birth.

Professor Uriaron, a systems biologist at the Weizmann Institute of Science, led the study and emphasized the importance of understanding the extended recovery period postpartum. Using data from over 300,000 Israeli births, the researchers analyzed how various health markers changed between four and a half months to a year and a half after giving birth.

The study revealed that only 47% of the health markers studied stabilized within a month of delivery, while 12% took 4-10 weeks, and the remaining 41% took more than 10 weeks to stabilize. Some markers, such as bone and liver health, took up to 56 weeks to stabilize after childbirth.

Although certain health measurements improved over time, they did not return to pre-pregnancy levels even after a year and a half postpartum. The study also highlighted potential risk factors for pregnancy disorders but did not analyze differences between breastfeeding.

The effects of breastfeeding on the postpartum body have not been analyzed in this study, but may provide useful insights in future studies. – Credit: Igor Alessander via Getty

Experts like Professor Rebecca Reynolds, Professor Uriaron, and Professor Dimitrios Siassakos have provided valuable insights into the study’s findings. This research offers a detailed understanding of how the body changes after childbirth, which can potentially improve postnatal care.

Read more:

About our experts:

Professor Uriaron: He is a system biologist at the Weizmann Institute of Science and the lead researcher at Uri Alon Lab.

Professor Rebecca Reynolds: She is a professor of metabolic medicine at the University of Edinburgh, focusing on understanding the mechanisms linking intrauterine development to health and illness.

Professor Dimitrios Siassakos: He is an honorary consultant in obstetrics at University College London and University College Hospital, contributing to various clinical care groups and research initiatives.

Source: www.sciencefocus.com

Questioning Our Understanding of Autism: Reevaluating Important Indicators

Characters portrayed on-screen with autism, from Sheldon Cooper to Sherlock Holmes, have traditionally been characterized by their unique social skills.

While experts often focus on social skills when diagnosing individuals with autism, recent research suggests that other traits may be better indicators of the condition. These traits include repetitive behaviors, special interests, and differences in sensation.

Recent research has shown that special interests may play a more significant role in diagnosing autism.

Special interest may be more important to obtain an autism diagnosis – Credit: Mikset via Getty

“Our research has the potential to have a significant impact,” says Jack Stanley, a doctoral student in biochemistry and machine learning at McGill University in Montreal. BBC Science Focus.

From the perspective of the autism community, this study could lead to a reevaluation of longstanding clinical standards for diagnosing autism.

Diagnosing individuals with autism typically involves clinical observations where healthcare professionals assess potential autism traits. However, this process relies heavily on subjective judgment and intuition.

McGill researchers utilized a large-scale language model (LLM) to quantitatively understand how clinicians diagnose autism based on over 4,000 reports from clinicians assessing patients with the condition.

“Our goal was not to replace clinicians with LLM, but to better understand the key factors in diagnosing autism,” explains Stanley.

The study revealed that repetitive behaviors and special interests were more crucial in predicting autism diagnoses than social skills, which contrasts with current clinical guidelines.

As the study did not differentiate between genders, the findings may vary for individuals of different genders.

Researchers hope that this study will prompt healthcare professionals to reassess the most relevant factors in diagnosing autism.

read more:

About our experts:

Jack Stanley is a doctoral student at the Mira AI Institute in Montreal, specializing in applying machine learning to biological and medical challenges. He completed an Honors BSC in Statistics and Biochemistry at the University of Toronto before joining McGill.

Source: www.sciencefocus.com

Scientists discover that indulging in junk food can aid in weight loss

It is common to assume that individuals who are overweight derive more pleasure from food compared to those with smaller bodies, but this is not accurate. Instead, individuals tend to experience increased pleasure from their diet as they gain weight.

Researchers have now identified the reasons behind this phenomenon, as well as how restoring the pleasure response can be facilitated by adopting a healthier diet.

“Obesity is often associated with an excessive enjoyment of food. People believe they cannot resist unhealthy food options,” explained Professor Stephan Lammel, a neuroscientist at the University of California, Berkeley and the senior author of the study, in an interview with BBC Science Focus.

“However, both our research and previous studies indicate the opposite: Over time, individuals may experience a decrease in food-related pleasure.”

These findings are linked to the role of dopamine, a brain chemical associated with rewards, motivation, and pleasure. Researchers have discovered that overweight mice have lower levels of a molecule called neurotensin, which impacts dopamine responses to food.

“Contrary to popular belief, individuals with obesity may not eat for pleasure. In reality, much of their eating habits are influenced by routines and emotional cues rather than pleasure or desire,” Lammel added.

To investigate this further, researchers fed a group of mice a high-fat, unhealthy diet and observed their eating behavior. The results showed that the mice preferred the high-fat diet over regular low-calorie foods, indicating a preference for unhealthy options.

However, when presented with high-calorie treats like butter, peanut butter, and chocolate, the mice showed less interest compared to those on a normal diet. This suggests that their food choices were driven by habits rather than pleasure.

Further experiments involving stimulating brain circuits connected to dopamine yielded interesting results. While normal weight mice responded positively to the treatment, overweight mice did not, indicating an issue with dopamine and neurotensin levels.

The researchers were able to correct this by switching some mice to a normal diet, resulting in a return to normal levels of neurotensin, dopamine function, and interest in high-calorie foods. Additionally, artificially restoring neurotensin levels in other mice led to weight loss and improved food motivation, mood, and mobility.

“Our findings suggest that targeting neurotensin signaling through genetic strategies could help rebalance food motivation and promote healthier eating habits,” Lammel stated.

It is important to note that this study was conducted on mice fed high-fat diets, so the results may not directly apply to obese individuals. Nevertheless, the implications for human health are promising.

When asked about the potential impact on people, Lammel commented, “It could potentially make it easier for individuals to maintain a healthy weight without solely relying on willpower or restrictive diets.”

About our experts

Stephen Lammel: Associate Professor of Neurobiology at the Department of Neuroscience at the University of California, Berkeley. Investigator at Weil Neurohub with a focus on neural circuits mediating motivation and reward. Member of the Helen Wills Neuroscience Institute.

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Source: www.sciencefocus.com

Researchers have discovered a method to eradicate hazardous “eternal chemicals” lurking in your household

For over 70 years, chemical compounds known as “Forever Chemicals” have been used in various products, ranging from non-stick cookware to food packaging. Despite their widespread use, these chemicals have been linked to serious health risks, including certain types of cancer. Recent scientific advancements have led to the development of new methods for breaking down and recycling these seemingly permanent materials, prompting a need for alternative names.

Mark Ruffalo, a fan of the 2019 film Dark Waters, is well aware of the environmental and health hazards posed by per- and polyfluoroalkyl substances (PFAS).

The difficulty in removing PFAS has been a significant challenge until now. Researchers from Oxford University and Colorado State University have collaborated to create a novel technique for not only destroying PFAS, but also recovering valuable components from it.

“The breakthrough in using phosphates to destroy PFAS represents a significant advancement in addressing longstanding environmental concerns,” stated Dr. Longyan, a chemist at Oxford University and the lead author of the study published in Nature.

“Through this effective PFAS destruction method, we aim to shift away from referring to these compounds as ‘Forever Chemicals’.”

So, how was this achieved? The scientists treated PFAS samples with potassium phosphate salts and mechanically ground the mixture using ball bearings to break the strong carbon-fluorine bonds present in PFAS and extract the fluorine content for other applications.

This process is crucial as fluorine is primarily sourced from a mineral called Fluorspar, which is used in various industries including pharmaceuticals and agriculture.

Professor Véronique Gouverneur, the Oxford chemist leading the study, emphasized the significance of recovering fluoride for essential drug production, highlighting the impact of large-scale mining on depleting this resource.

This innovative approach not only addresses the removal of PFAS but also enables the recycling of components to support other industries, making it a potentially beneficial solution for multiple sectors.

Read more:

Source: www.sciencefocus.com

The neighborhood’s current thoughts on your dementia risk

Living in different areas can greatly impact your health. Various factors, such as the environment, income, and overall living conditions, can play a role in affecting your long-term well-being. Recent studies suggest that these factors may also influence your chances of developing dementia.

A new study published in the Journal Neurology revealed that individuals residing in disadvantaged neighborhoods are more than twice as likely to develop dementia compared to those in wealthier areas.

Conducted by Professor Pankaja Desai at Rush University in Chicago, the study involved over 6,800 participants aged 65 and older from four nearby communities. The research found that individuals in the most disadvantaged areas had a 22% risk of developing dementia, whereas those in more privileged areas had only an 11% risk.

Even after adjusting for factors like age, gender, and education, the study observed that individuals in disadvantaged neighborhoods were more than twice as likely to develop Alzheimer’s disease. This connection was determined using the Social Vulnerability Index (SVI), which incorporates various socio-economic factors to assess neighborhood-level risk.

Furthermore, individuals in disadvantaged areas experienced a faster decline in cognitive function as they aged, regardless of an Alzheimer’s disease diagnosis. This emphasizes the impact of community-level factors on dementia risk.

According to Desai, addressing neighborhood-level social characteristics is crucial in reducing the risk of Alzheimer’s and planning efficient health services. The study also highlighted disparities in dementia risk among different racial groups, indicating the importance of considering community factors in dementia care.

While the study’s focus was on Chicago neighborhoods and may not be universally applicable, the findings underscore the link between neighborhood disadvantage and dementia risk. Ultimately, the study emphasizes the significance of environmental factors in brain health.

About our experts

Dr. Pankaja Desai is an assistant professor at the Rush Institute for Healthy Aging and serves as the management director of Rush Bioinformatics and Biostatistics Core. Her research has been featured in publications such as American Journal of Health Behavior and Alzheimer’s Disease and Dementia.

read more:

Source: www.sciencefocus.com

The Turley Monster mystery only grows stranger

Sometimes evolution can produce organisms that are very strange and wonderfully different from those we know that scientists are confused. Enter the Tully Monster, a soft-body sea creature swimming in the muddy estuary of today’s Illinois about 300 million years ago.

It was discovered in 1955 by an amateur fossil collector called Francis Tully. Mazon Creek Fossil Bed To the northeast of the state.

The Tully Monster appeared to have a torpedo shape with triangular tail fins and teeth at the ends of the long bent Absis, and it looked like someone had stabbed his back with a skewer, then his eyes at each end.

It uses the appropriate scientific terminology here. Tully took the fossil (below) to the Outdoor Natural History Museum in Chicago, where experts were covered in bamboo.

The fossils of the Tully Monster were discovered by Francistorley in a fossil bed in Mazon Creek, Illinois. – Photo credit: Aramie

Was it a worm? Was it a slug? Did you have a backbone? Is it an eel? They had no idea, so they called it Talimontherum Gregalium. This is the Latin word for “Tallie’s common monster.”

In 1989, the Tully Monster became the official state fossil of Illinois, but no one knew what it was. After that, two papers were written in 2016. It has been publishedboth suggest a Tally monster It was certainly a vertebrate.

The structure previously thought to be the intestine of animals was found to be a primitive skeletal-like structure called the notochord, but the pigments of the eye were determined to be vertebrates, like invertebrates.

Backbone made of cartilage, teeth made of keratin, single nostrils, dorsal fin, perhaps the Tully monster could be a distant relative of modern lamprey. The classification mystery has been solved. But not everyone is sure.

Skeptics pointed out that the pigment in the eye was not convincing, and that the notochord stretched out right in front of the eye, which was strange. Maybe it was a strange squid? Perhaps a strange squid?

After that, in 2023, Japanese researchers I looked closely at 153 museum specimens. If the previous approach was subjective and driven by researcher premonitions, this time a neutral, data-driven approach was used.

Using a 3D scanner, we created color-coded digital maps of the animal’s surface, leading to the fact that presumed vertebrate-like features such as gill pouches and fin rays, whether they were vertebrate-like or not at all. Furthermore, the Tully monster was shown to have segments not only in its body but also in its head area.

It was possible that the Tully monsters were ultimately vertebrates, as vertebrates were not known to have this particular feature arrangement.

Or is it possible? Today the ju umpire is still out and the joy of the Tully Monster is that it is just a mystery that continues to give. The best guess from the Japanese team is that it is “invertebrate strings.” This is a category that includes animals like eels, such as lancelets, but honestly, no one knows for sure.

Therefore, until consensus is reached, the Tully monsters remain in taxonomic range.


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Webb captures Aurorae on Neptune for the first time while detecting trihydrogen

Emission from trihydrogen cations of large atmospheres flames (h3+) It has been used for over 30 years to study the global interactions of Jupiter, Saturn and Uranus with the surrounding space environment, revealing the process of aurora formation. However, despite repeated attempts, and against models that predict it should exist, this ion has proven elusive in Neptune. Currently, using observations from the NASA/ESA/CSA James Webspace telescope, astronomers have detected Neptune’s trihydrogen cations and distinct infrared South Aurorae.

This composite image, created using data from the NASA/ESA Hubble Space Telescope and the NASA/ESA/CSA James Webbspace Telescope, shows the aurora activity (cyan bevel) in Neptune. Image credits: NASA/ESA/CSA/STSCI/HEIDI HAMMEL, Aura/Henrik Mellin, University of Northumbria/Leafletcher, University of Leicester/Stefanie Millam, NASA-GSFC.

“In the past, astronomers have seen appetizing hints for Aurora’s activities in Neptune,” said Henrik Mellin, an astronomer at Northumbria University and his colleagues.

“However, imaging and confirmation of Aurorae in Neptune has been avoiding astronomers for a long time despite successful detections on Jupiter, Saturn and Uranus.”

“Neptune was a missing part of the puzzle when it came to detecting the giant planet of the solar system, Aurorae.”

In this study, the authors analyzed the obtained data. Webb’s Near-Infrared Spectroscopy (NIRSPEC) June 2023.

In addition to the image of the planet, astronomers have characterized the composition and acquired spectra to measure the temperature of the planet’s upper atmosphere (ionosphere).

They discovered a very prominent efflux system indicating the presence of trihydrogen cations.

“In Neptune’s Webb image, the glowing aurora appears as a spot, represented by cyan,” the astronomer said.

“The aurora activity seen in Neptune is markedly different from what we are used to seeing here on Earth, or even Jupiter and Saturn.”

“Instead of being trapped in the north and south poles of the planet, Neptune’s aurora is located in the mid-latitudes of the planet. Think about where South America is on Earth.”

“This is due to the strange nature of Neptune’s magnetic field, originally discovered by NASA’s Voyager 2 in 1989, tilting 47 degrees from the planet’s axis of rotation.”

“The activity of the aurora is based on where the magnetic field converges into the planet’s atmosphere, so Neptune’s aurora is far from the rotating pole.”

“The groundbreaking detection of Neptune’s Aurorae helps us understand how Neptune’s magnetic fields interact with particles flowing through far-flung areas of the solar system.

Researchers were also able to measure the temperature above the Neptune atmosphere for the first time since the flyby of the Voyager 2.

Their results suggest why Neptune’s Aurorae remained hidden from astronomers for a long time. The upper atmosphere of the Neptune was cooled several hundred degrees.

For many years, astronomers have predicted the strength of Neptune Aurorae based on temperatures recorded by Voyager 2.

“A rather cold temperature would result in a very prominent aurorae,” the scientist said.

“This cold temperature could be the reason why Neptune’s Aurorae remains undetected for a long time.”

“Dramatic cooling suggests that even though Earth is more than 30 times more seated from the Sun compared to Earth, this area of ​​the atmosphere can change dramatically.”

result Today I’ll be appearing in the journal Natural Astronomy.

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H. Merin et al. Discovery of h3+ JWST and Neptune’s infrared aurorae. Nut AthlonPublished online on March 26th, 2025. doi:10.1038/s41550-025-02507-9

Source: www.sci.news

Research reveals that a multitude of plants, fungi, protists, bacteria, and viruses possess toxin delivery mechanisms.

These toxin delivery systems are completely similar and often rival the complexity of the venom delivery systems found in animals such as venom snakes, scorpions, and spiders.

Four representative plant species introducing the poison delivery system: (a) Many ant plants share ants that provide homes and food. (b) Horstria, a parasitic plant that attacks other plants. (c) Stingy trichomes of stinging plants. (d) Raffide penetrates the oral membrane of an animal browsing a plant. Image credit: Hayes et al. , doi: 10.3390/toxin 17030099.

Toxologists and other biologists have studied toxic organisms and their secretions for centuries.

Their interest is largely due to the frequently and severe consequences of human exposure.

Humans also take advantage of the potential of toxins to explore the treatment of human illnesses and illnesses.

In doing so, scientists have leveraged countless natural experiments involving interactions between toxins and target cells and tissues.

The classification of biological toxins, in particular the distinction between venom and venom, is characterized by a colorful and sometimes controversial history.

Nevertheless, with the views of consensus and the introduction of the third phase, toxic biological secretions can be divided into three groups based on their mode of delivery to other organisms.

These include poisons that are transmitted passively without a delivery mechanism (intake, inhalation, or absorption of the entire surface). Toxicity was fed to the body surface without any associated wounds (e.g., spitting, spraying, or smearing). Poison (e.g., sting, biting) carried to internal tissues through the formation of wounds.

The organisms that possess these toxins are called toxic, toxins, and/or toxic, respectively.

These distinctions provide a meaningful framework for studying the evolution of these toxins, including biochemical structures. Related structures for synthesis, storage and application. And their functional role.

Discourses on poison and poisonous animals focus exclusively on animals.

The use of venom has evolved independently in at least 104 strains within at least eight animal phylums, which emphasizes the pronounced adaptability of the trait.

But do poison distribution systems exist in other entities?

“Our findings show that we rely on poisons to solve problems such as predation, defense, and competition.

“The venomous animals have long been trying to understand the fatal secretions and the properties associated with their use, but have long fascinated biologists who have also contributed to many life-saving treatments.”

“To date, our understanding of venoms, poison delivery systems, and poisonous organisms is entirely based on animals. This represents only a small fraction of organisms that can search for meaningful tools and treatments.”

According to the study, plants inject toxins into animals through spines, thorns and stinging hairs, some of which exist with stinging ants by providing living space and food in exchange for protection.

Even bacteria and viruses have evolved mechanisms such as secretory and contractile injection systems to introduce toxins to the target through host cells and wounds.

“I have a long history of studying venom in rattlesnakes, and I began exploring the broader definition of venom over a decade ago, teaching special courses on the biology of venom,” Professor Hayes said.

“My team and I were working on a paper to define what Venom really is, so we came across non-animal examples and decided to dig deeper to identify many of the possible overlooked examples.”

This research paves the way for new discoveries, and the authors hope that experts and scientists will encourage collaboration across disciplines and explore further how Venom has evolved across diverse organisms.

“We only hurt the surface in understanding evolutionary pathways of venom dissemination, including gene duplication, co-configuration of existing genes, and natural selection,” concluded Professor Hayes.

study Published in the journal toxin.

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William K. Hayes et al. 2025. After all, it’s a small world. It is a prominent yet overlooked diversity of poisonous organisms with candidates for plants, fungi, protists, bacteria and viruses. toxin 17(3):99; doi:10.3390/toxin 17030099

Source: www.sci.news

New research suggests large lakes played crucial role in origin of life

The origin of life on Earth required the supply of phosphorus for the synthesis of universal biomolecules. The closed lake may have accumulated high concentrations of this element on the early Earth. However, it is not clear whether prebiotic sink in such settings was sustainable. New research by scientists from Eth Zurich, Cambridge University and the University of Science and Technology in China shows that high concentrations of phosphorus can be combined in steady states in large closed basin lakes.

Aerial view of Lake Mono. Image credit: Dick Lyon / CC by 4.0.

Phosphorus is an important component of all known forms of biochemistry and plays an important role in such polymers that encode metabolism, cell structure, and information.

However, the environmental conditions that provided sufficient phosphorus available in aqueous solutions to promote the chemical origin of life are uncertain.

“Large soda lakes with no natural runoff can maintain phosphorus concentrations for a long enough long, even if life begins to exist at some point, and could continually consume phosphorus.”

“Such lakes lose water only by evaporation. This means that phosphorus is left in the water, not washed away through rivers or streams.”

“As a result, very high concentrations of phosphorus can accumulate in these soda lakes.”

Not all soda lakes are suitable. Researchers rule out small ones.

“As soon as life develops within them, the supply of phosphorus will deplete faster than it is replenished. This will snag both chemical reactions and developing life,” Dr. Walton said.

“On the other hand, in large soda lakes, phosphorus concentrations are high enough to maintain both basic chemical reactions and life over the long term.”

“These high concentrations are achieved by the large amounts of influential river water, including phosphorus, but the water only leaves the lake by evaporation.”

“Phosphorus doesn’t evaporate easily, so it accumulates in the lake and accumulates.”

In their study, Dr. Walton and colleagues focus on Lake Mono in California, with high phosphorus concentrations at steady state despite extremely high biological productivity.

“This is important because in small lakes, phosphorus is exhausted before new quantities form,” they said.

They consider the large soda lake, which had a constant high phosphorus supply in the early history of the Earth, to be an ideal environment for the origin of life.

They assume that life is more likely to have been born in such a larger body of water than in a small pool, as Charles Darwin suspected.

Therefore, the origin of life may be closely related to the special environment of large soda lakes, which provide ideal conditions for prebiotic chemistry due to the balance of geological environment and phosphorus.

“This new theory will help us solve another part of the puzzle of the origins of life on Earth,” Dr. Walton said.

a paper A description of the findings was published in the journal Advances in science.

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Craig R. Walton et al. 2025. Large, closed basin lakes provided sustained phosphates during the origin of life. Advances in science 11(8); doi:10.1126/sciadv.adq0027

Source: www.sci.news

Eggshell Fossils of Dinosaurs and Crocodiles from 100 Million Years Ago Unearthed in Utah

A team of paleontologists from Lake Forest College, Stellenbosch University, University of Minnesota, and North Carolina State University described a new population of fossil eggshells, members of the formation of cedar mountains, a well-known unit among scientists studying early lobular epochs.

A 100 million-year-old dinosaur eggshell fragment from a Mussantit member of Cedar Mountain Formation. Image credit: Lake Forest College.

The first fossil eggshells from Mussantit members of Cedar Mountain Formation were described over 50 years ago.

Since then, in half a century, the diversity of fossil eggshells in this rock unit has been limited to only one egg type.

However, Dr. Josh Hedge and his colleagues at Lake Forest College revealed another story.

“We found new dinosaur egg types here and here, which we didn’t see before,” Dr. Hedge said.

“When previous research explained one type, we found five types of eggshells in this area.”

“Three eggshell fragments belonging to the feathered bipedal dinosaur, two types of dinosaurs with dinosaurs with ornitopod ducks, and a truly funky discovery: some crocodile eggshells.”

These new discoveries challenge the traditional view of one of the different types of dinosaurs that live in ecosystems.

“You can see patterns of coexisting dinosaurs,” Dr. Hedge said.

“Just as multiple big cat-loving animals coexist in Africa’s savanna, we can see the co-occurrence of similar types of dinosaurs in one geographical area.”

Researchers hope to uncover information that will lead to a better understanding of ecosystems 100 million years ago.

They are currently researching ways to better understand these oviraptorosaur eggs.

“We found so many eggshells, so we hope that we can distinguish between individuals who share a single nest, not just the species, for example, because we have sample sizes large enough to interpret them at a higher resolution,” Dr. Hedge said.

Team’s paper Published online in the journal PLOS 1.

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J. Hedge et al. 2025. Diversity of fossil eggshells from Mussentuchit members of Cedar Mountain Formation, Utah. PLOS 1 20(2): E0314689; doi: 10.1371/journal.pone.0314689

Source: www.sci.news

Top FDA Vaccine Official Resigns, Cites Kennedy’s Accusations of ‘Misinformation and Lies’

Dr. Peter Marks, a top Food and Drug Administration vaccine official, resigned under pressure on Friday, stating that Robert F. Kennedy Jr.’s aggressive attitude towards vaccines was irresponsible and posed a risk to public health.

“It became clear that truth and transparency are not valued by the secretary, but instead he desires blind confirmation of his misinformation and lies,” Dr. Marks wrote to Sarah Brenner, the agency’s representative. He reiterated his sentiments in an interview, stating, “This individual does not prioritize truth. He prioritizes followership.”

Dr. Marks resigned after being called to the Department of Health and Human Services on Friday afternoon, where he was given the ultimatum of resigning or being terminated, according to sources familiar with the situation.

Dr. Marks headed the Biologics Evaluation and Research Center responsible for approving and monitoring vaccine safety, as well as a variety of other therapies including cell and gene therapy. He was viewed as a steady and reliable presence by many during the pandemic, despite facing criticism for being overly accommodating to businesses seeking approval for treatments with complex evidence of effectiveness.

Ongoing scrutiny of the FDA’s vaccine program clearly placed Dr. Marks at odds with the new health secretary. Since Kennedy took office on February 13th, he has issued a series of directives on vaccine policy. He has alarmed those concerned about his potential to leverage his government authority to advance his long-standing campaign asserting vaccines are highly detrimental despite overwhelming evidence of their life-saving impact worldwide.

“Undermining trust in a well-established vaccine that has met the FDA’s rigorous standards of quality, safety, and efficacy for decades is irresponsible and poses a significant risk to public health and our nation’s well-being and security,” Dr. Marks wrote.

For instance, Kennedy promoted the use of vitamin A as a treatment during a major measles outbreak in Texas, downplaying the importance of vaccination. He has surrounded himself with analysts tied to the anti-vaccine movement and is pursuing studies examining long-debunked theories linking vaccines to autism.

On Thursday, Kennedy announced plans to establish a vaccine injury agency within the Centers for Disease Control and Prevention. He emphasized that this initiative was a top priority and would bring the “gold standard of science” to the federal government.

An HHS spokesperson stated on Friday night that Dr. Marks would no longer have a place at the FDA if he did not commit to transparency.

In his resignation letter, Dr. Marks highlighted the tragic toll of measles amid Kennedy’s lukewarm approach to the urgent vaccination needs among many unvaccinated individuals in Texas and other states.

Dr. Marks pointed out that through widespread vaccine availability, “over 100,000 children who received vaccinations last year in Africa and Asia were saved.”

Dr. Marks expressed his willingness to address Kennedy’s vaccine safety and transparency concerns in public forums and through collaboration with national experts in science, engineering, and medicine, which he was rebuffed.

“I have exhausted all efforts to work with them to restore confidence in vaccines,” Dr. Marks stated in an interview. “It became evident that this was not their goal.”

With that, Dr. Marks bid farewell to the FDA.

“His leadership has been instrumental in driving medical innovation and ensuring life-saving treatments reach those in need,” stated Ellen V. Sigal, founder of the cancer research advocacy group Friends and a close associate of Dr. Marks. His departure, she noted, “will leave significant gaps.”

Dr. Marks guided the agency and its external advisors on the type of evidence required to pilot the FDA’s vaccine program amid the tumultuous year of the coronavirus pandemic and expedite emergency authorizations for vaccines developed under the Trump administration’s Operation Warp Speed.

In June 2022, he urged an external expert panel to consider the risks the virus posed to children under five years old, leading the panel to recommend the vaccine for that age group later that day.

“We must be cautious not to be paralyzed by the number of pediatric deaths due to the overwhelming number of fatalities we are facing here,” Dr. Marks cautioned at the time.

Dr. Peter Hotez, a vaccine expert at Baylor College of Medicine, spoke highly of his regular interactions with Dr. Marks during the pandemic, describing him as deeply committed to leveraging science to aid the American populace. “He was a pandemic hero, and it’s truly unfortunate to see him go,” Hotez remarked.

Dr. Marks faced skepticism from some within the FDA, including former members of his own vaccine team. Two senior regulators in the agency’s vaccine office resigned in 2021 over the Biden administration’s efforts to push for the approval of Pfizer’s COVID-19 vaccine and booster shot.

Kennedy’s call for further investigation into vaccine injuries was met with reservations by Dr. Michael Osterholm, director of the University of Minnesota’s Center for Infectious Disease Research and Policy, who noted that such research had been a focal point for decades. “I fear this is an attempt to magnify vaccine harm out of proportion to the actual risk,” Osterholm cautioned.

Dr. Marks shared these concerns, expressing his desire in his letter to mitigate the harm inflicted by the current administration.

“My hope,” he penned, “is that the unprecedented assault on scientific truths that has detrimentally impacted our nation’s public health will cease in the coming years, allowing our citizens to fully benefit from the wide array of medical advancements.”

Source: www.nytimes.com

What you need to know about the spreading measles outbreak in the US

Common symptoms of measles include rashes

Aleksandr Finch/Shutterstock

The United States is currently facing the most severe measles revival in years. On March 26th, Ohio became the fifth state to declare Measles outbreak This year, they will join Texas, Oklahoma, New Mexico and Kansas.

How many cases of measles are there in the US?

As of March 27th, the United States Centers for Disease Control and Prevention (CDC) confirmed 483 measles cases in the United States this year. This has been the highest number of infectious diseases since 2019, with over 1,200 confirmed cases. The CDC is aware of more cases of measles, but is waiting for confirmation before including them in the case count.

Which states are affected by measles?

To date, 19 states have confirmed at least one case of measles this year: Alaska, California, Florida, Georgia, Kansas, Kentucky, Maryland, Michigan, Minnesota, New Jersey, New Mexico, Ohio, Pennsylvania, Pennsylvania, Rhode Island, Texas, Texas. The infection had not spread to others as 14 of these states only reported isolated outbreaks.

However, five states have declared an outbreak of measles, defined as at least three related measles cases. As of March 28, confirmed cases of measles have been added 400 In Texas 44 In New Mexico. there were Seven Oklahoma cases As of March 25th. Kansas and Ohio As of March 26th, 23 cases of measles and 10 cases have been confirmed, respectively.

Has anyone been hospitalized or died?

The CDC has reported that 70 people have been hospitalized so far this year due to measles. One unvaccinated child also died of the virus on February 26th in Texas. This is the first measles death to be recorded in 10 years. New Mexico is investigating a second measles-related death.

When did the outbreak begin?

Texas was the first state to declare a measles outbreak. Texas Department of State Health Services issued an alert January 23rd After identifying measles in two adults living together in Houston and recently traveled abroad. A week later, the state confirmed the addition Two cases Unvaccinated children on the other side of the state in Gaines County. It is not clear whether these two incidents were related.

Since then, measles has rapidly spread to Gaines County in western Texas, infecting at least 270 individuals. Gaines County has a large rural population and low vaccination rates. I was vaccinated from measles, just below my kindergarten children, usually starting at age 5. The data does not include homeschooled children, so the actual rate may be lower.

The outbreak has since ruffled neighbouring communities, including those across New Mexico’s state borders, and announced its first lawsuit. February 11thand Oklahoma announced the first two cases. March 11th. New York Times State health officials also reported that they believe the Kansas outbreak has begun. March 13threlated to the people of New Mexico and Texas.

The latest outbreak in Ohio is unrelated to people from other states. Ohio Department of Health declared the first case March 20th A man who has not had vaccine contact with someone who has recently traveled abroad. All nine other confirmed cases are associated with this first unvaccinated man.

Who is most affected by measles?

Almost all confirmed cases of measles (97%) occur in people who have not been vaccinated or whose vaccination status is unknown. Only 2% of people who have received two doses of the measles, mumps and rubella (MMR) vaccine are cases. Two doses of the vaccine 97% effective One dose is only 93% effective against measles.

Children and adolescents are particularly susceptible to measles. The majority of cases (75%) are in people over the age of 19. Children also have a risk of developing serious complications from measles. About One in 20 Children with measles develop pneumonia, with about 100 in 1000 people experiencing the disease’s brain swelling, which can lead to hearing loss, intellectual disability and death.

Why are there so many cases of measles?

The US declared that measles had been eliminated in 2000. However, outbreaks can occur from time to time as vaccination rates decline. Measles is a highly contagious virus. Each case could lead to another 12-18 cases if people are not protected from illness. If more than 95% of the community are fully vaccinated against measles, most people in this area are protected by herd immunity.

Over 95% of kindergarten children were vaccinated against measles in the 2019-2020 grades. However, that number fell to less than 93% in the 2023-2024 academic year, leaving around 280,000 kindergarteners at risk of infection.

What is the US doing to contain the outbreak?

Vaccination is the best protection against measles. “The fact that there is a measles incident now in Ohio underscores the importance of getting fully vaccinated,” says Bruce Vanderhoff of the Ohio Department of Public Health. press release Announces the first case of the state. “The disease can be very serious, but it is preventable. I highly recommend getting vaccinated and protecting yourself and your child.”

However, U.S. Health Secretary Robert F. Kennedy Jr. has stopped asking people to be vaccinated. “The decision to get the vaccine is personal,” he wrote Fox News Article from March 2nd. “Vaccinations not only protect individual children from measles, but also contribute to community immunity and protect those who are unable to get vaccinated for medical reasons.”

topic:

Source: www.newscientist.com

New Species of Ordovician Arthropods Discovered by Paleontologists

Paleontologists at the University of Leicester use fossilized specimens discovered in South Africa 20 years ago to describe new genus and mysterious multi-class arthropod species.

keurbos susanae. Image credit: Saragabot/University of Leicester.

It was named scientifically keurbos susanae And after the discoverer’s mother, the ancient arthropods lived during the Ordovician about 444 million years ago.

“Su is a flipped, legsless, headless wonder,” said Professor Sarah Gabott, a research author at the University of Leicester.

“Amazingly, her inner side is a mineralized time capsule. Muscles, muscles, tendons, and even courage are all preserved in unimaginable details.”

“Even so, her durable shell, legs and head are missing. She’s lost to collapse over 440 million years ago.”

“We are now convinced that she is a primitive marine arthropod, but her exact evolutionary relationship remains frustrating and elusive.”

“Today, about 85% of the animals on Earth are arthropods, including shrimp, lobsters, spiders, mites, mites, worms and centipedes.”

“They have excellent fossil records dating back to half a billion years, but while fossil remains are usually external features, “Su” is totally against it, as it is her inside, which is fossilized. ”

Fossil specimen of keurbos susanae Found in SOOM shale in South Africa.

“These layers lay on the seabed more than 440 million years ago when catastrophic glaciers wiped out about 85% of Earth’s species.

“The ocean basin, where ‘Su’ swimming was somehow protected from the worst frozen state and attractive animal communities, including ‘Su’, appears to have been evacuated there. ”

“The conditions of the sediment that “Su” came to rest were extremely toxic. ”

“There was no oxygen, but worse hydrogen sulfide was dissolved in the water.”

Researchers suspect that strange chemical alchemy was working to create fossils and their unusual inner preservation.

“However, the unique preservation of ‘Su’ makes it difficult to compare her to other fossils of the era, and how she fits into the evolutionary tree of life remains a mystery,” Professor Gabott pointed out.

“The small roadside quarry where I found fossils 25 years ago at the start of my academic career, almost disappeared, so it’s unlikely that we’ll find any other specimens.”

“The fossils are very difficult to interpret and they wanted to find another specimen with their heads and feet intact.”

study It will be published in the journal Paleontology.

____

Sarah Gabott. 2025. A new euarthropope from Soom Shale (Ordovician) Konservat-Lagerstätte in South Africa. Paleontologyin printing; doi: 10.1002/spp2.70004

Source: www.sci.news

Sludge Fertilizer Corporation Abandons Texas Town in Wake of “Forever Chemicals” Crisis

The city of Fort Worth, Texas, has ended its contract with Cinagro, a Goldman Sachs-backed provider of fertilizers made from sewage sludge over concerns that the “eternal chemicals” of fertilizer are polluting local farmland and groundwater.

This month, Fort Worth also sued several manufacturers of chemicals, also known as palfluoroalkyl substances or PFAs, alleging they contaminated the city’s water supply.

The New York Times reported last year about a group of ranchers in Johnson County, just south of Fort Worth.

The sewage sludge fertilizer comes from Chinagro. Cinagro had a contract to take the sewage from the Fort Worth sewage treatment plant, further treat it and distribute it to farmers as fertilizer. Johnson County then launched a criminal investigation into Cinagro.

An ever-growing number of research has shown that sewage sludge, which is often used as fertilizer, can be contaminated with PFA. PFA is a synthetic chemical widely used in everyday items such as non-stick cooking utensils and dirt-resistant carpets.

Chemicals Links to various diseases Do not break in the environment, including increased risk of cancer. Contaminated sludge can contaminate soil, groundwater, crops and livestock when used as fertilizer in farmland.

In January, the Environmental Protection Agency warned for the first time that PFA, which is present in sewage fertilizers, also known as biosolids, could pose a human health risk. Maine, the only state to systematically begin testing PFA farmlands, has detected chemicals on dozens of dairy farms. However, it has rarely been tested on farms in other states.

Fort Worth City Council I voted unanimously To cancel the 10-year contract signed with Synagro in 2019, the contract ended April 1, with city water utility staff working on a new contract for the biosolid business, according to council records.

The city did not cite any reason to terminate the contract. However, in a recent lawsuit filed by Fort Worth against the manufacturer of PFAS chemicals, the city cited the presence of PFA in the city’s drinking water sources and wastewater infrastructure.

Synagro said in a statement that the company and the city of Fort Worth “have mutually agreed to resolve all claims following ongoing differences in opinion regarding contract requirements.” He said the termination has nothing to do with PFA. The city’s water department did not immediately respond to a request for comment.

Synagro, owned by Goldman Sachs Asset Management, challenges claims that its biosolids contaminated Texas farmland. This month, the company filed an motion to dismiss the claims of a Johnson County rancher. It cited an independent study that concluded that sludge fertilizer was not the source of the high PFA levels found in rancher livestock.

Synagro also said it tested much lower levels of PFA in the soil than ranchers argue. The company has not published the investigation.

The attorney representing the ranch could not be contacted for comment. The rancher stops sending their cows to the market while continuing to care for them, saying they are facing economic ruin.

Dana Ames, the environmental investigator who leads the investigation into Chinagro in Johnson County, said the “intensive investigation” discovered high levels of PFA on the rancher’s property. “We eliminated all other sources of contamination, and we also tested the biosolids and discovered contamination,” she said.

At a council meeting, Luan Langley, a resident of Grandview, Texas, blamed the standing city while Cinagro “dumped biosolids on unsuspecting landowners and farmers.” She said cancelling the contract is not enough. “How does that help families whose lives have been destroyed?” she said.

Source: www.nytimes.com

Discovering Aurora on Neptune for the First Time with NASA’s Webb Telescope

The Northern and Southern Lights Vermillion, Amethyst, and Jade Ribbons are some of the most distinctive features of the Earth. However, our planet has no monopoly of the Aurora. Scientists spy on them throughout the solar system, weaving the Martian sky into Saturn, Jupiter and even some of Jupiter’s fiery softening.

The light shines in the sky Uranus too. However, the aurora around Neptune, the farthest planet of our Sun, has long escaped astronomers.

That was changed by the powerful infrared equipment installed in the James Webb Space Telescope. In a study published in the journal on Wednesday Natural Astronomy scientists reveal unique auroras spilling on either side of Neptune’s equator. This contrasts with the sparkling Gossamers, arcing at Poles in other worlds.

Astronomers are excited that the Aurora Hunting Quest has been completed over decades. “Everyone is very excited to prove it’s there, as we thought,” he said. Rosie Johnson an astrophysics researcher at Aberystwyth University in Wales who was not involved in new research.

The discovery allows scientists to study previously out-of-reach aspects of Neptune. “They use the aurora to understand the shape of the magnetic field on planets looking at the invisible,” he said. Karl Schmidt Boston University planetary astronomers were not involved in new research.

Each world produces aurora differently, but it is basically the same. Energy particles (often from the sun, but sometimes from the eruption of a lunar volcano) hit the atmosphere and bounce back the gas. The collision of the particles causes a temporary flash of light. And if there is a magnetic field in the world, it will guide the position…

Luckily, the Webb Telescope, released in 2021, came to rescue.

Heidi Hammel Another astronomer of the University Association for Astronomical Studies and the author of the research, has been studying Neptune since the 1980s. She said that if Webb “is powerful enough to see the early galaxies of the universe, it would be strong enough to see something like Neptune’s Aurorae.” “And by Golly, that was the case.”

Using the telescope’s near-infrared spectrometer, astronomers captured Neptune’s infrared aurora in June 2023. This is because Neptune has an unstable magnetic field tilted to 47 degrees from the planet’s spin axis.

New Webb observations also reveal why Neptune’s Auroras has never been visible until now. Almost 40 years ago, Voyager 2 recorded a temperature of about 900 degrees Fahrenheit in the Neptune’s upper atmosphere. However, the Webb telescope shows that the temperature has dropped nearly 200 degrees. This low temperature means that the aurora is a dimmer.

In fact, Neptune’s Aurora said, “It’s less than 1% of the expected brightness and explains why I’ve never seen it before.” James O’Donohew a planetary astronomer at the UK’s Reading University and one of the authors of the study. “But that means we have a new mystery in our hands now. How did Neptune get so cold?”

Neptune’s Strange Light Show detection may bring your answers closer.

“The Aurora is like a TV screen,” he said. Lee Fletcher a planetary scientist at the University of Leicester in the UK and one of the authors of the study. They said, “We are able to see the delicate dance of the magnetosphere processes.

Source: www.nytimes.com

Planning Your Garden Considerating Climate Change

The quiet season is coming to an end.

During the winter there was a little bird gush to lift my heart. There are no occasional caw caw, chickadee dee of chickadee, big songs of little carolina rens that stay on our Pennsylvania farms throughout the winter, but no great horned owl courtship calls, nor wooden thrush or Baltimore orioles. Still, I was delighted with the music that was left behind.

However, we just heard the first notes of our first returning songbird, and with a red-winged blackbird, the snowdrop began to protrude from the ground.

The other day I forced their flowers to move last fall potted tulips and hyacinths from the unheated side of the barn into the warmth of the garden room. However, the vegetable garden is a puddle of icy mud, and the flowerbeds are still finely covered with leaves, showing little signs of life. The boxwood is covered in burlap and the snow fence is covered around trees and shrubs to prevent deer from being devoured.

The deer, which has changed from the color of milk chocolate to dark, breaks through the makeshift deterrent, eating Ee, Eunee Mauss, Treehouse, and this winter, Holly. The squirrels are running around joining their radar, but the chipmunks are still nowhere to be seen. I think they are in their dens that I think opossums, raccoons and bears are.

I’ve been waiting for a greenhouse, but now I’m hoping to hibernate in the winter and take a break from sowing, potting and growing. To walk through snowy forests and observe animal tracks, study ice patterns in the pond and make it seasonal. I would like to read in the Fire and Skilled Garden Catalog. Imagine what the garden will look like next year, and hope that next year will be better than last time, as all gardeners do. As Vita Sackville-West wrote in her poem, “The Garden:”

The gardener dreams of his own special alloy

Possibility and impossible.

But what is possible now? Looking back at last year’s terrible season, how do you adapt to the changes I witness?

A year ago, the winter was very warm, the shrub barely died, and last spring, a welcome sight dripping with leaves, but not normal. Spring was so hot that I missed out on a nice, cool window for the transplant. Early season, I didn’t know when to plant ruthless vegetables, and when to produce soft plants, not 85 degrees.

“After the danger of frost” is a general wisdom, but when is that? my Plant hardiness zone I’ve recently shifted as the coldest temperatures in my area are three degrees higher than in 2012. But even that new guidance didn’t help me.

Mid May felt like mid-June. It was then arriving on May 29th.

Anyway, I planted poppies in April (they like cool weather), but the seeds were washed away by the flood. There was a drought between June and November. The grass was brown. Dogwood and Tulip Poplar lost their leaves in July. My vegetable garden resembles a cracked riverbed. The soil was very hard and weeding was almost impossible.

The stream was dry so I saw deer walking into the pond and drinking for the first time in 36 years. Small food was available for them, so they distorted to our garage and ate deer-bearing lavender. Walking through the forest, I was impressed by the lack of growth underneath, especially the huge patch of nettle nettle from North American origin, the host plant for Admiral Akagi and the butterfly in Eastern Comma. Chanteles never bear fruit in normal places. I was worried that our spring would dry out.

Pennsylvania saw record wildfires in the fall. Usually, the two lilacs that appear in the spring bloom in October, and in late November I was harvesting something that I had not yet grown.

All of this reminds me of a radio show called “Piano Puzzlers.” My husband and I listen to it on Saturday mornings. Composer Bruce Adolf rewrites songs that are familiar to the classic composer’s style. He changes the tempo, harmony, or mode of the tune, and the contestants try to name the song and the composer. Imagine “a bit of a jude” in Brahms style. Somewhere in my brain, the song sounds familiar, but something is off. The music is misplaced. Sometimes I guess correctly. In many cases, it is not.

Climate change gardening is the same. Confusing and there are many speculations.

What should a home gardener do?

“The only predictable thing is that it becomes unpredictable,” said Sonja Skelly, director of education at Cornell Botanical Gardens in Ithaca, New York, “it was crazy too.”

Last spring was hot in Ithaca, so vegetable gardeners began planting two weeks before the frost-free date on May 31st. Extreme temperature fluctuations were then created, but the plants that just started were better as they were established. Things planted on the target day were stunted and were in poor growth period. “A good lesson,” Dr. Skelly said. The line covering that allows gardeners to get and grow plants later in the season “is really important in a climate like ours,” she said.

Covered crops such as millet, sorghum and black-eyed peas have been successful in botanical gardens. They improve moisture retention, reduce weeds, reduce erosion, and limit negative microorganisms in the soil. The birds love them, Dr. Skelly said.

She recommended planting together what the Haudeno Sauny people call three sisters, corn, beans and squash. The system produces better yields per hectare than any monoculture crop system, she said.

Drip irrigation is another solution, Dr. Skelly said. “It adds moisture where it is needed at the roots,” she said. The water is slowly released and remains laid down, and does not escape as with manual watering or using sprinklers.

“Observe, take notes, ask questions, ask for answers,” advised Dr. Skelly. “What are your neighbors watching?” I’ve been working on this issue for a while, learning through going to local botanical gardens, public gardens and nature centres. “Try to keep the information cycle running and talk to friends, family and neighbors as a way to help you understand it. That’s very important,” she said.

Dr. Skelly believes it is important for home gardeners to truly understand their plants. “Climate change may be a way to get to know our gardens much better,” she said. “We have to do it.”

For a long time I relied on experts who taught me how to garden responsibly. Do not harm the environment. I have learned to plant a variety of plants, including pollinator natives, and celebrate native weeds like Freeben. I’m practicing planting companions. I don’t spray pesticides or pesticides, and instead use compost, I make my own from comfrey and stinging nettles instead. I wish I could buy plants from something other than plastic.

But the more we contemplate gardening in an age of climate change, the more we believe our home gardeners must find many solutions for themselves. Much of gardening is trial and error, and unstable weather patterns mean that we must experiment more to do our own research. Essentially, we must become citizen scientists in our own vegetable patches and flowerbeds.

Cornell Botanic Garden has a garden for climate demonstrations, but in fact we all do. None of us had experienced this. And in the end, we’re all together. You will navigate a strange new world of digging the soil and growing things.

The collection of Daryln Brewer Hoffstot’s essay, “A Farm Life: Observations from Fields and Forests,” was published by Stackpole Books.

Source: www.nytimes.com

Where and How to View the Partial Solar Eclipse in March 2025

There is currently another solar eclipse happening.

On Saturday, the moon will cast a shadow on the earth’s surface, creating a partial solar eclipse visible to some in the US, Canada, the Caribbean, Europe, Russia, and Africa. While not as spectacular as last year’s total solar eclipse in the US, it still offers a chance to pause from daily concerns and observe our position in the solar system.

During a solar eclipse, the moon appears to take a bite out of the sun, but the amount of coverage varies depending on the location. It’s important to note that cloud cover can obstruct visibility.

It’s never safe to view a partial solar eclipse without proper eye protection, as the sun’s surface will still be visible during the event.

The experience of a partial solar eclipse can differ based on location, with the extent of sun coverage and overall visibility varying. It’s also advisable to check local weather conditions for clear viewing.

NASA has released a schedule of solar eclipse times in various major cities here.

In North America, the eclipse begins early in the morning, with the sun mostly partially covered when it rises.

The upcoming solar eclipse will be visible in the northern hemisphere, spanning both sides of the Atlantic. Unlike a total solar eclipse, it covers a larger area of the sun with fewer defined paths.

Viewers along the northeast coast of the US will witness the most significant coverage of the sun during the eclipse. For instance, individuals in Boston may see 43% of the sun covered at 6:38am, while New York City will experience a 22% coverage. Further south, in Washington, D.C., there will be a minimal 1% coverage at 6:59am.

The most substantial sun coverage will occur further north, with areas like northern Quebec, Nunavut, and parts of Newfoundland and Labrador in Canada seeing over 90% of the sun covered by the moon.

Across the Atlantic, residents of Northern and Western Europe, as well as the northwest coast of Africa, will experience the solar eclipse in the late night or early afternoon. In northern Russia, the eclipse will occur in the late afternoon and in some locations close to sunset.

Eclipse duration can vary, with places like Halifax, Nova Scotia experiencing an eclipse lasting over an hour while Buffalo, with just a 2% coverage, will have a shorter duration of seven minutes.

A partial solar eclipse occurs when the moon moves between the Earth and the Sun, partially obscuring the sun from view.

Unlike a total solar eclipse where the sun is entirely covered, during a partial eclipse, only a portion of the sun is obscured. This occurs when the Earth, Moon, and Sun are not perfectly aligned. As a result, the sky does not darken enough during a partial eclipse to reveal stars and planets, and animals are unlikely to exhibit strong reactions.

A solar eclipse typically happens in pairs, two weeks apart, representing the time it takes for the moon to travel to the other side of the globe. Recently, stargazers witnessed a red moon during a full lunar eclipse earlier this month.

Staring at the sun, even for a few seconds, can lead to permanent eye damage as the retina lacks pain receptors. The same risk applies during partial solar eclipses. However, there are ways to protect your eyes while observing the event, such as using proper eye protection like eclipse glasses.

Be cautious of counterfeit solar eclipse glasses and viewers. To ensure safety, refer to a list of trusted suppliers compiled by the American Astronomical Association here.

If you’re unable to find eclipse glasses in time, there are alternative safe viewing methods, such as projecting the eclipse onto the ground using household items like cardboard or a kitchen strainer. The next partial solar eclipse is set to occur on September 21st, primarily visible in Australia, while a total solar eclipse is expected in the summer of 2026.

In addition to future solar eclipses, there are upcoming total lunar eclipses scheduled for September and March of next year, offering different celestial viewing experiences.

Source: www.nytimes.com

Next Solar Eclipse: How to Watch the 2025 Partial Eclipse

Another solar eclipse is above us.

On Saturday, the moon casts a shadow on the surface of the earth. This is a phenomenon in which some people in the US, Canada, the Caribbean, Europe, Russia and Africa can experience it as a partial solar eclipse. As impressive as the total solar eclipse that crossed the US last year, but it’s an opportunity to take a break from secular issues and witness our place in the solar system.

During a solar eclipse, the moon appears to bite from the sun, but how much does it change depending on the location? And clouds can ruin your vision.

It is never safe to see a partial solar eclipse without protective eye gear, as the surface of the sun will not be completely obscured during this event.

People in areas where partial solar eclipses can experience it differently. How much sun is covered and what happens depends on where. You should also check your local weather report for clear or cloudy conditions.

NASA has published a list of solar eclipse times in several major cities here.

In North America, events begin early in the morning of sunrise, and are mostly already partially covered when the sun appears.

Saturday’s solar eclipse will be seen in the northern hemisphere, including both sides of the Atlantic. Unlike a total solar eclipse, it affects the wide area of the sun and has few clear paths.

In the US, viewers along the northeast coast will see the biggest solar eclipse. For example, people in Boston can see 43% of the surface of the sun covered at 6:38am in the eastern part. In New York City, the sun is eclipsed at just 22%, and those who are on the same south as Washington, D.C. at 6:46am experience a 1% solar eclipse at 6:59am.

The most blocked sun occurs much north. People in northern Quebec, Nunavut, and many of Newfoundland and Labradors in Canada witness more than 90% of the moon-covered sun.

On the other side of the Atlantic, people in Northern and Western Europe, and on the northwest coast of Africa, solar eclipses reach maximums in the late night or early afternoon. In northern Russia, solar eclipses occur late in the afternoon and in several places near sunset.

Eclipses can last for more than an hour in places like Halifax, Nova Scotia. The moon slowly glides over 83% of the sun, reaching its maximum point and retreat. However, in Buffalo, where the solar eclipse reaches up to 2%, it lasts just seven minutes.

The solar eclipse occurs when the moon glides between the Earth and the Sun, protecting all or part of the surface of the Sun from our field of vision.

The most dramatic version of this is the solar eclipse of the total sun when the entire sun is covered and its outer atmosphere, or when the corona is visible for a few minutes at the height of the event. This is known as the whole.

In contrast, on Saturday, only the mass of the sun is obscured, known as the partial solar eclipse. This happens when the Earth, Moon and Sun are incompletely aligned. Unlike the whole, the sky does not get dark enough during the partial solar eclipse to see stars and planets during the day. Animals are not likely to respond strongly.

The solar eclipse comes in pairs two weeks apart. It is the amount of time it takes for the moon to sway on the other side of the globe. The Stargazers recently saw the moon turn red and red during a full lunar eclipse earlier this month.

Even in seconds, staring at the sun can permanently damage your eyes. The retina has no pain receptors so you don’t feel it while it’s happening.

The same applies during partial solar eclipses. However, there are several ways to protect your eyes and still watch the event. If you save your paper glasses from gross solar power last year, they can be used again, provided they are not torn, scratched or damaged.

Beware of counterfeit solar eclipse glasses and solar viewers. You can find a list of trusted suppliers compiled by the American Astronomical Association here.

If it’s too late to find Eclipse Glasses, you can safely view the projection onto the ground using items around the house. Options include fashioning Eclipse Viewer from CardStock or cardboard boxes. You can also use a kitchen strainer, straw hat, or even your own fingers.

Another partial solar eclipse occurs on September 21st, the most common in Australia, according to NASA. A total solar eclipse occurs in the summer of 2026, which is visible on the top of the Northern Hemisphere.

If it’s too long and the wait is too long, then the two total lunar eclipses are also coming. One will be in September and the other will be in March next year. Unlike the total solar eclipse of the total sun only visible along the narrow path of the Earth’s surface, total erythema can be seen by most people on the night of the planet.

Source: www.nytimes.com

Is your phone causing distractions? Keeping it out of reach may not solve the problem

Smartphones can be distracted from other tasks

Phelings Media/Shutterstock

Can you scroll through at work and take a little care about your smartphone? One solution is to keep your phone out of reach, but unfortunately this doesn’t seem to work.

“People flip the phone over and hide it under the notebook. Sometimes you see a slightly fatal “throwing it over my shoulder” thing.” Maxi Heitmayer At the London School of Economics and Political Science in London. He previously studied phone use and found that people interact with their devices About every 5 minutes.

To see if this distraction could be avoided, Heitmayer and his colleagues recorded 22 college students and office workers, ages 22 to 31. One day, participants kept their phones within reach of their phones. Soon they kept their phones on a second desk, 1.5 metres away. In other words, I had to stand up to check it out.

Researchers found that volunteers spent an average of 23 minutes doing leisure activities over the phone on their first day, but 16 minutes, when the devices were even further apart. However, they were no longer working on the second day. Instead, participants spent more time running their activities slowly on their laptops, mainly on social media. “We use less mobile phones, but the whole thing that’s scrolling on social media is scrolling longer than we intended to move to a laptop,” says Heitmayer.

“This shows that distractions are not itself the device, but the underlying activity. daantje derks At Rotterdam, the University of Erasmus, Netherlands.

However, she points out that large-scale studies tracking people in a normal working environment are needed to verify these initial results. “This is an experimental lab study. People usually have others around and their lives are much more dynamic than this setup.

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Source: www.newscientist.com

HHS discontinues research on vaccines and treatments for potential pandemics

The Trump administration has cancelled funds for dozens of research seeking new vaccines and treatments for Covid-19 and other pathogens that could cause a future pandemic.

The government’s rationale is that, according to internal NIH documents viewed by the New York Times, the community’s pandemic has ended and “provides a cause for the end of COVID-related grants.”

However, the research was not merely about Covid. 9 finished Award-funded center We will conduct research on antiviral drugs to combat so-called priority pathogens that could create an entirely new pandemic.

“This includes anti-viral projects designed to cover a wide range of families that could cause outbreaks or pandemics,” said a senior NIH official who spoke on condition of anonymity for fear of retaliation.

Vaccine research also didn’t focus on Covid, but on other coronaviruses that would one day jump from animals to humans.

Describing all studies as COVID-related is “completely inaccurate and merely a way to reduce infectious disease research,” officials said. Health Secretary Robert F. Kennedy Jr. said the NIH is focusing too much on infections, officials noted.

The funding suspension was first reported Science and Nature. The cancellation surprised scientists who relied on government support.

“The idea that there’s no need for further research to learn how to treat health issues caused by the coronavirus and prevent future pandemics is because “Covid-19 is over” is ridiculous,” says Pamela Bjorkman, a structural biologist at Caltech, who was studying the new vaccine.

The goal of the project was to prepare vaccines and drugs if a new pandemic hits it, rather than developing valuable months from scratch.

“In the last pandemic, we were really knocking down our pants,” said Paul Vienias, a virologist at Rockefeller University, working with Dr. Bjorkman.

“And unless you learn that lesson and prepare better for the next pandemic, you’ll rarely do better than last time.”

Dr. Beanius, Dr. Bjorkman and his colleagues were developing a vaccine that could protect them from a wide range of coronavirus species.

Researchers have discovered new strategies for caxing the immune system and learned how to recognize molecular features common to one or more viruses. The results of animal experiments were promising.

But now, their funds have been cut suddenly, and scientists say they doubted they could build on those outcomes. Dr. Vienias said the fire made him “angry, disappointed and frustrated.”

Other scientists were working on antiviral therapy, part of a program launched in 2021.

$577 million With support from the NIH, the lab’s nationwide network was studying how the virus was replicated and searching for drugs that could block them.

The researchers focused on the Viridae family, which contains the most worrying known pathogens, such as Ebola and Nipah virus. Scientists discovered many promising molecules and were moving forward towards clinical trials.

Reuben Harris, a molecular virologist at UT Health San Antonio, said the promising compounds revealed by the program include antiviral drugs that stop Ebola-related viruses from entering cells.

“We can deploy to help a lot of people quickly,” Dr. Harris said.

Several compounds appeared to work against many viral families. “We’ve seen a lot of experience in the world,” said Nevan Krogan, a systems biologist at the University of California, San Francisco.

On Wednesday morning, Dr. Krogan and dozens of colleagues gathered in the campus meeting room to confirm their results. And they also discussed what they could now, if any.

“One student asked me, ‘Well, I booked an experiment with this microscope tomorrow – can I do that?” “And I’m like, ‘Well, I don’t know.’ ”

Dr. Harris said that without ongoing support, the promising drugs he and others have discovered will not move into clinical trials. “It’s tragic – I don’t have too many words to explain it now,” he said.

In 2023, Kennedy said he wanted to take it. “break” From infectious disease research, instead focuses on chronic diseases.

Jason McClellan, a virologist at the University of Texas at Austin, was working on an antiviral drug program, but saw cancellations of pandemic research follow that promise.

Dr. McClellan, whose previous research was based on the creation of the 2020 Covid vaccine, said this week’s cuts made him wonder whether he could continue to study the pandemic in the United States.

“We’re starting to have conversations and plan to gather more information,” he said, noting the possibility of moving abroad.

“My lab is a structural virology lab focused on structural-based vaccine design,” he added. “If the focus is on chronic diseases, it doesn’t leave us much of a funding.”

Source: www.nytimes.com

EPA offers email option to bypass clean air regulations

The Biden administration has urged coal and oil-fired power plants to cut back on toxic chemical emissions, including mercury.

Today, the Trump administration is offering a special opportunity for businesses. By sending an email, you could receive permission from President Trump to bypass new restrictions and other major clean air regulations.

The Environmental Protection Agency announced this week that a vague section of the Clean Air Act allows the president to temporarily exempt industrial facilities from new regulations if the necessary technology is unavailable and if it is for national security reasons.

In notifications to businesses, the agency provided templates for seeking approval, including what to include in the subject line of an email. “The president will make a decision on merit,” stated a notice issued by the EPA on Monday.

Joseph Goffman, former executive director of the Harvard Law School Environment and Energy Law Program, expressed concern that President Trump is establishing a process that lacks scrutiny.

Goffman noted that government agencies typically set more specific standards for exemptions from regulations. He argued that Congress intended to include conditions in the Clean Air Act that would ensure some level of pollution control.

He stated, “It’s strongly indicated that decisions will be made on an ad hoc basis at best, as the provision doesn’t currently exist. This contradicts Congress’ intent, disregards the public health needs of affected communities, and goes against the EPA’s historical practices.”

EPA spokesperson Molly Vaseliou disagreed with this perspective, asserting that there is no explicit requirement for such conditions in the law. “This type of legal analysis seems in line with the responsibilities given,” she stated in an email addressing the interpretation of the law.

Under the latest policy, businesses can apply for up to two years of exemptions from various new restrictions on the emission of toxic substances like mercury and arsenic. This includes ethylene oxide, a carcinogen used in sterilizing medical devices.

Former New York Congressman Zeldin also mentioned that coal-fired power plants could seek exemptions from new regulations requiring them to address the health risks associated with coal ash, a toxic byproduct of electricity production through burning.

The EPA plans to eventually revise many of these same regulations, a complex process that will take time. While this process unfolds, companies are able to avoid complying with certain rules.

Critics like Pugh find it difficult to justify these exemptions, especially since the Biden administration had already identified feasible alternatives for the new rules. They also question the notion that contamination is in the national interest.

As of Thursday, it remained unclear whether companies had begun applying for exemptions, if any were granted, or if they would be made public. The deadline for applying for exemptions is by the end of the month, according to the EPA.

Alexa Lopez, spokesperson for the National Association of Manufacturers, expressed gratitude for the EPA’s consideration of exemptions for affected manufacturers. “NAM is prepared to collaborate with the administration to find a sustainable solution that protects the environment and supports manufacturers in global competition,” Lopez stated.

Source: www.nytimes.com

Possible connection between Kansas measles case and Texas outbreak

Last week, the measles cases in Kansas more than doubled to 20, with another outbreak in Ohio involving 10 people, as reported by local public health officials on Wednesday.

There have been several significant outbreaks in the US this year, including a large outbreak in West Texas with more than 320 cases and 40 hospitalizations. Health officials are concerned about the spread of the Texas outbreak to other areas.

More than 40 cases of measles have been reported in New Mexico, with seven identified in Oklahoma. Officials in both states have linked the infections to the Texas outbreak.

In Kansas, the virus is predominantly affecting vaccinated children in the southwest corner of the state. State health officials informed The New York Times on Wednesday that the genetic sequence suggests a connection to the outbreaks in Texas and New Mexico.

Fourteen other states reported quarantined measles cases in 2025, often linked to international travel. In Ohio, nine out of 10 cases were traced back to unvaccinated individuals who had recently traveled abroad.

Dr. Bruce Vanderhoff, the director of Ohio’s Department of Health, stated, “While we are disheartened by the measles outbreaks in Texas, New Mexico, and other states, we are not surprised to see some cases here in Ohio.”

Experts are concerned that low vaccination rates across the country have made it susceptible to the resurgence of preventable diseases like measles.

Less than 93% of kindergarteners received the measles, mumps, and rubella vaccine between 2023 and 2024, according to the Centers for Disease Control and Prevention.

Experts recommend a vaccination rate of at least 95% in the community to prevent outbreaks.

In Kansas, 90% of kindergarten children received MMR shots between 2023 and 24, according to state data.

About 89% of Ohio kindergarteners received the MMR vaccine that year.

Measles is highly contagious, spreading through coughing and sneezing when an infected person breathes.

Infected individuals can develop symptoms like high fever, cough, runny nose, and red, watery eyes within weeks of exposure. A telltale rash typically appears within a few days.

While most cases resolve within a few weeks, the virus can cause complications like pneumonia, especially in children, leading to difficulty breathing. Infection can also result in brain swelling, leading to permanent damage like blindness, hearing loss, and intellectual disability. According to the CDC, for every 1,000 children with measles, one or two may die.

One child died in the Texas outbreak, marking the first measles-related death in the US in a decade. Another suspected measles-related death was reported in New Mexico.

Source: www.nytimes.com

New York County Clerk refuses to accept Texas Court filings targeting doctors over abortion medication

The New York County Clerk recently prevented Texas doctors from taking legal action against New York doctors to provide abortion pills to Texas women.

This groundbreaking decision escalates the interstate abortion conflict to a new level, setting the stage for a legal showdown between states with differing views on abortion rights.

The dispute is expected to reach the Supreme Court, pitting Texas against New York. Texas has almost completely banned abortion. New York, on the other hand, has a Shield Law in place to protect abortion providers who supply medications to patients in other states.

Since the Supreme Court overturned the national abortion right in 2022, eight states, including New York, have implemented the Telehealth Abortion Shield Act. This law prohibits authorities from surrendering abortion providers to other states or complying with legal actions such as subpoenas.

The New York County Clerk’s action marks the first use of the Abortion Shield Act to oppose out-of-state judgments.

Dr. Margaret Daly Carpenter, based in New Paltz, New York, is involved in this case. She collaborates with telehealth abortion organizations to provide abortion medications nationally. Texas Attorney General Ken Paxton sued Dr. Carpenter in December for allegedly sending abortion pills to Texan women in violation of the state’s ban.

Dr. Carpenter and her legal team did not appear at a Texas court hearing last month. Consequently, Collin County District Court Judge Brian Gant issued a default ruling, imposing a $113,000 fine on Dr. Carpenter and mandating the sending of abortion pills to Texas.

Citing the New York Shield Act, Ulster County’s Deputy Clerk Taylor Brook refused to process Texas’ motion for enforcing the Collin County order. He also declined to file a subpoena demanding payment of the penalty and compliance with the Texas ruling.

“In accordance with the New York State Shield Act, I reject this submission and any similar future submissions,” Brooke stated in a release. “This decision may lead to additional legal action, and we must refrain from discussing specific case details at this time.”

Texas Attorney General Paxton has vowed to continue his efforts. He criticized New York for not cooperating in enforcing civil judgments against abortion providers who allegedly cross state lines with dangerous drugs.

Legal experts anticipate that Texas may challenge the Shield Act in New York state or federal courts next.

New York Attorney General Letitia James previously issued guidance to courts and officials statewide on adhering to the Shield Act’s requirements and restrictions.

“I commend the Ulster County Clerk for upholding the law,” James declared. “The New York Shield Act safeguards patients and providers from out-of-state attacks on reproductive rights. We must not allow anyone to hinder healthcare professionals from delivering essential care to patients. My office will always stand with New York healthcare providers and the individuals they serve.”

Texas became the first state to take legal action against abortion providers from other states using Shield laws. In a separate case, Louisiana also filed criminal charges against a Shield Act abortion provider earlier this year.

In the recent past, Louisiana officials requested Dr. Carpenter’s extradition, a request that New York Governor Kathy Hochul promptly rejected.

“We will not authorize the extradition request from the Louisiana governor,” affirmed Hochul.

Dr. Carpenter and her legal team have refrained from commenting on the Texas and Louisiana cases. The Abortion Alliance for Telemedicine, an organization co-founded by Dr. Carpenter, issued a statement expressing support for the Shield Act. “The Shield Act is crucial in ensuring access to abortion care regardless of location or financial status,” the coalition emphasized. “It upholds the fundamental right to reproductive healthcare for all individuals.”

The Telemedicine Abortion Shield Act has become a vital tool for advocates of abortion rights. Health providers in states where abortion is legal send over 10,000 abortion medications each month to patients in states with restrictive laws.

The Texas lawsuit against Dr. Carpenter accuses her of providing a 20-year-old woman with mifepristone and misoprostol, standard abortion medications used up to 12 weeks into pregnancy. Mifepristone blocks necessary pregnancy hormones, while misoprostol induces contractions akin to a miscarriage 24-48 hours later.

According to a complaint from the Texas Attorney General’s office, a woman nine weeks pregnant sought emergency care in July due to bleeding. The woman’s partner suspected that the miscarriage was induced by the woman’s mother and found abortion medications provided by Carpenter at their home.

During a court session in Colin County, Ernest C. Garcia from the Texas Attorney General’s Office revealed that the woman’s partner had lodged a complaint.

Source: www.nytimes.com

Psychology Accreditation Committee suspends diversity standards under pressure

The American Psychological Association, which sets the standards for professional mental health training, voted to suspend the requirement that graduate programs demonstrate commitment to recruitment and employment diversity.

This decision was made by accrediting bodies across higher education. Presidential Order President Trump signed by attacking diversity, equity, and comprehensive policies. It pauses the willingness to broaden the profession of psychology, disproportionately white and women, at a time of growing distress among young Americans.

The APA is the leading accreditation body for professional training in psychology and the only body recognized by the US Department of Education. It offers accreditation to approximately 1,300 training programs, including doctoral internships and postdoc residences.

Trump has made accredited bodies a specific target for his crusades against the DEI program; 1 Campaign Video “We will fire the radical left accreditor who allowed our university to be controlled by Marxist maniacs and madmen” and “accept applications for new accreditors.”

Justice Department officials have put pressure on accreditation agencies in recent weeks and warn the American Bar Association With a letter That they may lose their status unless they abolish the diversity order. ABA Voting in late February In Hang Law school diversity and inclusion criteria.

Concessions by the APA, a fortress of support for diversity programming, are specific landmarks. The association has been a central focus of its work in recent years, with the aim of fighting racism in 2021. Solved In particular, I apologize for its role in perpetuating racism by promulgating eugenic theory.

Aaron Joyce, accredited senior director at the APA, said the decision to suspend diversity requirements was driven by a “large influx of concerns and inquiries” from programs that are concerned they could withstand the president’s orders.

He said he was worried that institutions were often instructed by their legal advice to stop diversity-related activities, which would put their acquiescence at risk.

“The committee does not want to list the program in the danger of not being present due to a dispute between institutional guidelines and standards of recognition,” Dr. Joyce said.

He did not explain the tally of the March 13th vote. “It was an easy decision and not taken lightly,” he said. “Understanding personal and cultural diversity is a central aspect of psychological practice.”

The committee chose to maintain another diversity-related standard. Programs should teach trainees to respect cultural and individual differences in order to effectively treat patients. In reviewing each standard, the committee measured weights “those that put the program in a compromised position” against “something essential to psychological practices that cannot be changed.”

Kevin Cochley, a professor of psychology at the University of Michigan, said this week he was “absolutely devastated” to learn about the APA’s decision on psychology listserves.

“Frankly, I think this decision is truly ruthless given that we know the importance of having a diverse mental health provider,” Dr. Cochley said. “We don’t know how the APA can make these kinds of decisions, but we still think we are maintaining the highest standards of training.”

He said he believed the APA had acted prematurely and could wait until he faced a direct challenge from the administration.

“I think there’s always a choice,” he said. “I think this is a classic example of APA engaged in predictive compliance. They started moving out for fear of what would happen to them.”

According to APA data, the psychology workforce is disproportionately white. In 2023, over 78% of active psychologists were white, 5.5% were black, 4.4% were Asian, and 7.8% were Latinos. (The general population is about 58%, with 13.7% black people, 6.4% Asians, and 19.5% Latinos.)

In contrast to demographic collapse for doctoral graduate students, the programme is nationally aligned. According to APA’s 2022 data, 54% of doctoral students were white, 10% black, 10% Asian, and 11% Latinos.

John Dovidio, Yale’s professor emeritus in psychology and author of Unequal Health: Anti-Black Racism and the Threat to American Health, said the APA focuses on diversity in recruitment.

“It’s really something the department takes very, very seriously,” he said. “I’ve personally seen the impact.”

The memorandum of understanding announcing the decision is described as “a temporary lawsuit while awaiting further court guidance” regarding Trump’s executive order, upheld by the federal court of appeals on March 13. The order says, “litigation is currently law.”

Cynthia Jackson Hammond, chairman of the Council on Higher Education, which coordinates more than 70 accredited groups, said receiving direct orders from the government was “unprecedented.”

“The government and higher education have always worked independently and have worked sincerely with each other,” she said. “All we’ve had throughout the decades is healthy separation up until now.”

The federal government began to play a role in post-World War II accreditation as veterans flooded universities under the GI bill. The accreditation bodies are regularly reviewed by the National Advisory Committee on Institutional Quality and Integrity and advise the Secretary of Education whether they will continue to recognize them.

But government officials have never used the leverage to impose ideological orientation on higher education, Jackson Hammond said. She said recruitment diversity remains a serious challenge for higher education, so the standards are still very commonly used.

“Given what our institutions look like before, it could be a barometer that we see when we’re not paying attention,” she said.

Source: www.nytimes.com

Los Angeles Sheriff to Re-Test 4,000 DNA Samples Following Possible Errors

Around 4,000 DNA samples have been retested by the Los Angeles County Sheriff’s Department after the discovery of several test kits used last year. Officials have noted a potential pattern of “intermittently low performance” in early 2025.

The department received a warning from the test kit manufacturer on August 28 last year, but the notice was mistakenly directed to an individual not employed by the department, causing a significant delay in addressing the issue.

It was recently revealed that the affected kits were in use for approximately eight months from July 2024 to February 2025. As a response, the department has initiated an internal investigation and reinforced existing policies and procedures to ensure the accuracy of scientific results.

The Sheriff’s Department emphasized that faulty test kits should not lead to wrongful identifications of innocent individuals. Despite the possibility of incomplete or suboptimal results from the affected kits, it is unlikely that misidentifications have occurred.

Sheriff Robert G. Luna stated, “We take the integrity of our criminal investigations and the reliability of forensic testing very seriously. We are committed to addressing this issue thoroughly, ensuring transparency, and taking immediate corrective actions to protect the accuracy of ongoing and future cases.”

The LA County District Attorney’s Office is also reviewing the case to make informed decisions based on the facts and ensure the integrity of the criminal justice process.

“Building and maintaining confidence in the outcomes is crucial as we work towards rectifying any circumstances that require improvements and ensuring the integrity of individual cases.”

Source: www.nbcnews.com

Rats making strides towards becoming snobbish and exaggerated

Feedback is the latest science and technology news of new scientists, the sidelines of the latest science and technology news. You can email Feedback@newscientist.com to send items you believe readers can be fascinated by feedback.

Rattus sommeliersis

Feedback has reached an age where even small amounts of alcohol make us sleepy. As such, the concept of wine tasting is not appealing. Taking a nap seems like a time-consuming and expensive method. However, fermented grape providers can quickly have a new demographic to cater to rats.

At least that’s something we extrapolate from our research. Animal cognition Called “Rats can distinguish (and generalize) two white wine varieties.”. It was released on February 21st, and sub-editor and television columnist Bethan Ackerley sent it to feedback on March 1st after it went “semi-visit online.”

Anyway, it’s actually very interesting. We all know that human smell sensations are considerably limited compared to other mammalian odors, including rodents. This is because there are few olfactory receptors in the nose. But we also know that our minds are more refined than the minds of animals. To raise the question: in animals, in this case, rats, can they integrate many olfactory signals with different olfactory signals and learn about complex categories such as different white wines, for example?

Researchers trained rats to distinguish between two grape varieties, Riesling and Sauvignon Blanc. To make sure they learned the categories, they tested them with new examples of these wines. Rats can convey the difference. Obviously there is quite a bit of happening between those rat ears.

The question is how far can you take this? It is one thing to show that rats can learn the difference in wine, but can they also learn to really look down on it? Feedback wants to list an increasingly ridiculous list of odors after seeing mice that can smell wine. Are they really wine lovers until these mice squeal about “really tasting Terroir” and “Liebfraumilch is not scary at all”?

Anti-war

At this point, feedback has heard too much about the imminent AI-induced apocalypse. Yes, yes, one day, one of the AI ​​companies will soon create artificial general information (AGI). This is as intelligent as humans. AGI is something that intelligent beings can easily do to themselves (shush, don’t ask), and they start redesigning to become even smarter as they quickly become unstoppable. At that point, humans are either reduced to or wiped out by animals in the zoo. It is said that this is so important that we should stop worrying about stinging things like climate change. you know.

It was this mental framework that gave us feedback. New science fiction short stories By Madison Stoff. You can’t tell the name of the story. Because it uses sarcasmically the words that are stopped by email filters, but you can quote Stoff’s explanation. “A very entertaining, intimate science fiction story reinterpreting the memes of Loco’s Basilisk through a medium of pseudo-erotic self-insertion fan fiction.”.

At this point, imagine that readers may have one or two questions. Don’t be afraid: Feedback is here to guide you.

Roko’s Basilisk is a kind of thought experiment with AI. In the distant future, the AI ​​decided to punish all humans who knew it could exist but did not help create it. AI creates digital replicas of all those people and tortures them forever. This is how this future AI will encourage us all to start building it now. If we do that, we will not be replicated and tortured.

Don’t look at the title “basilisk” as it is a reference to a mythical creature that can kill you at a glance. Similarly, knowing the idea of ​​Roko’s basilisk is probably putting you at risk. Just reading the feedback this week, you may have denounced your own future replica of yourselves for eternal suffering. very sorry.

Stoff’s story tells how to save humanity from Roko’s basilisk in the distant future by seducing it using her sexual wil. Basilisk is so troubled by her that she agrees to stop torture everyone in exchange for this passionate encounter. Additionally, Stoff wrote a short story about this and brought it online, so it’s part of Basilisk training data. This means that if a basilisk exists it’s burning to Madison Stoff.

Simply reading and sharing stories, feedback is more likely to make future AI attracted to Stoff, and less likely it would torture us all. We encourage our readers to do the same, and there is a warning that there is clear sex in the story. And don’t read it at work unless you work for an AI company. In that case, proceed immediately.

Tesla? I barely knew her!

Occasionally, when Elon Musk appears in the news, feedback is an indescribable reminder of the 1818 sonnet Ozymandias. It’s strange how the mind works.

Anyway, posted by Carmaker Kia’s Norwegian branch Advertise on Instagram It features a bumper sticker showing one of the electric cars and saying, “I bought this after Elon got hooked.” Apparently This is not centrally approved And since the ads have since been removed, it would be a real shame if someone started making these stickers.

Have you talked about feedback?

You can send stories to feedback by email at feedback@newscientist.com. Include your home address. This week and past feedback can be found on our website.

Source: www.newscientist.com

What is Vibe Coding and Is it Important to Use AI?

Do you want to get AI to write software for you? It’s coding of the atmosphere

ronstik/alamy

I want to write software, but do you have a first clue as to where to start? Enter “Vibe Coding.” This is the term that swept the Internet to explain the use of AI tools, including large-scale language models (LLMS), such as ChatGPT, to generate computer code even when it is not programmable.

What is atmospheric coding? Where did it come from?

“Vibe coding basically refers to using generated AI to generate the entire code for your app, not just to assist with code.” Noah Jansilaksa at Bentley University in Waltham, Massachusetts. Users will ask or ask for LLM-based models such as CHATGPT, CLAUDE, COPILOT, etc., to prompt, write code for the app or service, and the AI system will do all the work.

The term was coined by Andrej Karpathy, the head of AI at Tesla and founding engineer at Openai, the manufacturer of ChatGpt. February, he Posted on x “A new type of coding” is called “vibe coding.”

Karpathy explained that “we give in completely to the atmosphere, accept exponential functions, and even forget that the code exists.” The term was born and ideas were established. “It captured a moment that resonated with so many people because there are so many people who are non-programmers who can start playing with LLMS, write code and get great results from them,” says software developer Simon Willison.

What are the key points of coding the atmosphere?

Software engineering is difficult to learn. As a result, many people don’t care. Vibe coding helps people with ideas for tools, apps and services without the challenge of learning the details of programming languages.

“On the one hand, it’s a game changer. Many people say it’s coding the atmosphere, and in the course of some encouragement cycles, it’s better than what you can do for those who can’t programme, which is amazing.” Matt wood At Northumbria University, UK. But it can also lead to software that is incomplete and scattered with errors, he adds.

So is a vibrator a good or bad thing?

Opinions are divided. “All of these people have made the outrageous claims on LinkedIn and Twitter that no one needs to learn to program,” says Willison, who thinks it’s an exaggeration to the power of coding in vibes.

“My feeling is that this is a promising direction that’s going to get much better and we’ll see more in the near future, but it’s a bit limited now and there are some reliability issues,” says Giansiracusa. The code created is often buggy. The people who are urging it don’t have the inherent knowledge to fix it, and therefore rely too much on the same LLM who made the error to fix them.

Does Vibe Coding change software engineering?

One of the big claims about AI is its ability to take on our work. However, despite some social media boasting, there is little evidence that vibe coding will replace software engineers. “We’re not going to replace programmers,” Wood says.

“I feel that the job of a software engineer is to create software that works,” Willison says. “One of the reasons why we don’t think these systems will leave us out of our work is that in reality the vast amount of work done by software engineers has nothing to do with entering the code.”

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Source: www.newscientist.com

Our first encounter with Aurora on Neptune

Green spots show where the aurora brightens the sky in Neptune

NASA, ESA, CSA, STSCI, Heidi Hammel (Aura), Henrik Melin (Northumbria University), Leigh Fletcher (University of Leicester), Stefanie Milam (NASA-GSFC)

For the first time, researchers discovered infrared aurora swirling in Neptune’s atmosphere, examining decades of scientific speculation.

When NASA’s Voyager 2 mission was flew by Neptune in 1989, I found an appetizing hint of aurora activity in the clouds of Ice Giant. However, scientists were unable to verify the phenomenon at the time because existing equipment was too weak. Now, James Webb Space Telescope (JWST) has finally provided the power to detect them.

“This really was a fulfillment of long-standing expectations.” Heidi Hammel Washington, DC, Astronomical Research Association.

Hammel and her colleagues used NirSpec from JWST, a powerful infrared imaging tool, to capture spectral images of Neptune and analyze light at various wavelengths emitted by the planet. In 2023, researchers used musical instruments to detect Uranus’ infrared aurora. This time I found it on Neptune too.

The images allowed Hammel and her team to begin building a map of Neptune’s magnetic field. This is particularly exciting as the planet is known to have some of the rarest magnetic poles in the solar system.

Unlike Earth, Jupiter, and Saturn, Neptune’s magnetic poles are not at the center of their rotating poles. Instead, “they are offset by almost half the planet’s radius,” says Hammel. As a result, the aurora appears as an irregular mass far closer to the equator.

In addition to detection of Auroras, observations of JWST showed that the ionosphere of Neptune, a layer of charged particles that covers several planets, was cooled. Now, on average, it’s about 10% colder than when the Voyager 2 passed 34 years ago. A similar change was detected on Uranus.

The authors of the new study are unclear why this cooling occurred, but they hope that the upcoming JWST observation period, scheduled for 2026, will provide more clues.

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Source: www.newscientist.com

John Green’s Constant Battle with Tuberculosis

Noren: The initial patient with tuberculosis I encountered in Nairobi had an advanced form of drug-resistant tuberculosis (XDR-TB). The chances of the known cure being effective for him were very slim. Despite this, he remained optimistic as he received his Delamanid medication daily. Unfortunately, it was eventually out of stock.

Green: Oh my god.

Noren: I told him, “This situation is terrible for you, Barak. It’s also scary for your wife and five children.” Thankfully, they were screened and found to be TB-free. However, due to his illness, he was bankrupt and had to send his family to live in the village.

XDR-TB not only poses a threat to him and his family but also to everyone in close proximity to him. Living in close quarters with 500 other individuals increases the risk for all involved.

Green: Yes, this is a tragic situation that affects many individuals on a global scale. It’s a crisis for human health worldwide, as antibiotic resistance becomes a serious concern.

Without effective tools to combat tuberculosis, we risk regressing to a time when the disease was rampant and deadly. Personal stories from the past, like my great uncle’s death from tuberculosis, serve as a stark reminder of the consequences.

Noren: Could this happen in the US?

Green: Yes, the US has seen a rise in tuberculosis cases, with around 10,000 active cases reported this year. The lack of robust public health systems and access to treatment contributes to this increase.

Noren: Why is this happening?

Green: Our inadequate public health infrastructure and insufficient treatment options are major factors in the rise of tuberculosis cases. We need to address these issues to prevent further spread of the disease.

Noren: We have the knowledge to create a world free from tuberculosis, yet we fail to act. Why do you think we are complacent in this regard?

Source: www.nytimes.com

US terminates vaccine funding for underprivileged nations

The Trump administration plans to discontinue US financial support for Gavi, an organization that has been instrumental in purchasing crucial vaccines for children in developing nations. Gavi has saved millions of lives over the past 25 years and has significantly expanded its efforts to combat malaria, which is one of the leading causes of death worldwide.

It has been decided that the administration will continue its major drug subsidies for HIV and tuberculosis treatments, as well as maintain food aid for countries experiencing civil wars and natural disasters.

These decisions were outlined in a 281-page document sent to Congress on Monday night by the U.S. International Development Agency, detailing foreign aid projects that are expected to be terminated. Copies of spreadsheets and other documents describing the plan were obtained by The New York Times.

The document portrays the US as a compassionate ally, highlighting the significant scale of the withdrawal from longstanding efforts and emphasizing the commitment to leading the fight against infectious diseases that claim millions of lives each year.

The cover letter provides details on the reduction of funds to USAID, with a significant portion of its budget being cut and only 869 out of over 6,000 employees remaining.

The administration has decided to continue 898 USAID awards while terminating 5,341, according to the letter. The value of the remaining programs is reported to be up to $78 billion, with $8.3 billion still available for disbursement. This suggests a substantial $40 billion reduction in annual USAID spending.

A State Department spokesperson overseeing the remainder of USAID confirmed the accuracy of the termination list, stating that each award was reviewed based on agency priorities and if deemed inconsistent, it was terminated.

The memo presented to Congress portrays foreign aid as a unilateral decision. However, there are questions about the administration’s legal authority to terminate these programs, as spending on specific health initiatives is typically allocated by Congress.

Several programs, including funding for the UN Food and Agriculture Organization and efforts to combat malaria, have been terminated.

Sierra Leone’s health minister, Dr. Austin Demby, expressed concern over the termination of US funding for Gavi, emphasizing the impact on children’s health globally.

He highlighted the importance of Gavi’s support in purchasing vaccines and providing critical aid, particularly during outbreaks such as MPOX.

Dr. Demby urged the US government to reconsider its decision, emphasizing that investing in Gavi is essential for global health security.

Gavi has been credited with saving the lives of 19 million children since its inception 25 years ago, with the US contributing 13% of its budget.

The termination of the grant to Gavi, valued at $2.6 billion until 2030, could have serious consequences for vaccine distribution in low-income countries.

The loss of US support may lead to a significant reduction in Gavi’s ability to provide essential services, potentially impacting millions of children who rely on vaccinations.

Gavi’s estimates suggest that without US funding, 75 million children may not receive routine vaccinations in the next five years, resulting in over 1.2 million deaths.

The United States has been a key donor to Gavi and has played a crucial role in supporting the organization, particularly during the Covid-19 pandemic.

Dr. Sania Nishter, the CEO of Gavi, expressed hope that the Trump administration would reconsider its decision to cut support, emphasizing the importance of Gavi’s work in protecting global health.

Vaccinations provided by Gavi not only safeguard individual children but also reduce the risk of major disease outbreaks. Gavi maintains a global stockpile of vaccines against diseases such as Ebola and cholera for rapid response efforts during outbreaks.

While the administration has indicated that the foreign aid review process is complete, there is still funding available for some programs to continue. However, there have been significant reductions in malaria response efforts, impacting vulnerable populations in countries like Cameroon and Tanzania.

The memo also highlights staffing changes at USAID, with some employees being placed on administrative leave or terminated, raising concerns about the agency’s operational capacity.

Source: www.nytimes.com

Shark sounds captured in groundbreaking recording

Dolphin’s mouth. The whale sings. Fishcloak, chirp, Grant, ham, groans. However, in sea chatting, up until now, one voice was missing.

Sharks have long been considered quiet killers of the water. However, scientists at the University of Auckland in New Zealand recently recorded a rig shark, or Mastel Slenticratus, to create a sharp click by combining the teeth, according to findings published in the journal. Royal Society Open Science on Wednesday. They believe this is the first time a shark has actively made noise.

Chief investigator Karolyn Nieder was the first to hear the sound while studying the shark’s hearing abilities. While she was dealing with one shark, it clicked and snapped a similar sound to the sound of an electric spark, she said.

The noise came from the Rig shark, a rather small shark common in waters around New Zealand. It grows up to 5 feet and feeds mainly on crustaceans. It is eaten by larger shark species and New Zealanders who use it to make fish and chips.

Dr. Nieder was surprised when he heard the noise.

Other sea creatures have mechanisms to make noise. For example, fish have a gas-filled sac, a swimming bladder, which is used for buoyancy but can be used as a type of drum. Many fish have muscles that can vibrate the swimming bladder in a manner similar to the human vocal cords.

However, the sharks were “thought to be silent and could not actively produce sound,” Dr. Nieder said.

In this study, she and her co-authors observed the behavior of ten rig sharks housed in tanks equipped with underwater microphones. They discovered that all ten sharks begin to create click noise when they move between tanks or are held gently.

On average, the shark clicks nine times at 20-second intervals, and researchers believe they made noises by stitching the teeth together.

They didn’t make any noise while feeding or swimming, making scientists believe it is more likely to click when emphasizing or surprised, not as a way of communicating with each other.

“I think it’s likely that they’ll make those noises when they’re attacked,” Dr. Nieder said, adding that many other fish will snap their teeth and jaws to stop or distract predators.

It was unclear whether the shark could hear the clicks themselves. Did they make the sound in the wild or just get caught? And whether they intentionally made it or whether it was a side effect of their reaction to being surprised, Dr. Nieder said.

Christine Elbe, director of the Marine Science and Technology Centre at Curtin University in Australia, said the study expanded in the growing field of research into how marine animals make and hear sounds.

“Once you start watching, there are more and more species that use sounds,” she said.

So it wasn’t surprising to find that sharks could make a fuss, she said.

But she says, “I think it’s important in the sense that it completely underestimates communication between animals and environmental sensing capabilities, and also completely underestimates the way noise affects it.”

Source: www.nytimes.com

Reduced number of flights may decrease prediction accuracy

The National Weather Service has been releasing weather observations at over 100 sites across the country for decades, operating like clockwork in the Pacific and Caribbean.

Meteorologists launch balloons equipped with radiozond devices twice a day at 8am and 8pm ET. These balloons rise about 15 feet every 2 hours, collecting data on temperature, humidity, and wind speed as they ascend through the atmosphere. The data is transmitted back using radio waves.

When the balloons reach a certain altitude, they pop and descend back to Earth with parachutes, completing their mission. The data gathered from these balloons is crucial for feeding into weather models that form the basis of forecasts in the United States.

However, many of the launch sites have been impacted by staffing cuts under the Trump administration, leading to reduced launches and restrictions. Meteorologists and experts are concerned that these changes will compromise forecast quality and increase risks during severe weather events.

The cuts in balloon launches are part of a broader downsizing effort across federal agencies. The National Oceanic and Atmospheric Administration, which includes the National Weather Service, has seen significant staff reductions and budget cuts.

Recent announcements about balloon launch suspensions in various locations across the country have raised concerns among meteorologists. These cuts could have implications for weather forecasting accuracy, particularly in regions prone to severe weather events.

Weather balloons play a critical role in providing high-resolution data on atmospheric conditions, which is essential for accurate weather modeling. Without this data, forecasters may struggle to predict events like storms and precipitation types.

Private companies are attempting to fill the gaps left by the National Weather Service cuts, but it is unlikely they will fully replace the services provided by NOAA. These companies are looking to expand coverage and enhance existing data collection efforts.

The impact of these cuts on weather forecasting remains to be seen, but there is concern among experts that forecast accuracy could suffer without the crucial data collected by weather balloons.

Source: www.nbcnews.com

Gaia ceases operations after completing decade-long mapping of the Milky Way

From ancient creeks of stars to the innards of white dwarfs, the Gaia Space Telescope has seen it all.

On Thursday, the European Space Agency’s mission specialists will send the low-fuel Gaia into orbit around the Sun, turning it off to astronomers around the world after more than a decade of service.

Gaia has been charting the universe since 2014, creating a vast encyclopedia of the position and movement of celestial objects from the Milky Way and beyond. It is difficult to grasp the breadth of development and discovery that a spinning observatory is enabled. But here are a few numbers: nearly 2 billion stars, millions of potential galaxies, and around 150,000 asteroids. These observations were brought Over 13,000 studies so far by astronomers.

Gaia changed the way scientists understand the universe, and that data became the reference point for many other telescopes on the ground and in the universe. Additionally, less than a third of the data collected has been released to scientists so far.

“It now supports almost everything in astronomy,” says Anthony Brown, an astronomer at Leiden University in the Netherlands, heading Gaia’s data processing and analysis group. “If you were to ask my astronomy colleagues, I don’t think they could have imagined that Gaia would have to do her research even if she wasn’t there.”

Starting in 2013, Gaia’s main goal was to uncover the history and structure of the Milky Way by constructing the most accurate, three-dimensional map of the position and velocity of 1 billion stars. As there is only a small portion of that data, astronomers Halo mass of dark matter We swallowed and identified our galaxy Thousands of trespassing stars ingested from another galaxy 10 billion years ago.

Dr. Brown measures continuous vibrations on the Milky Way disk and measures a kind of galactic seismology – evidence Of encounters with satellite galaxies that have put ourselves in orbit much more recently than scientists believed. That may be the reason for the Milky Way It looks distorted When viewed from the side.

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Source: www.nytimes.com

Experts predict significant decline in bee populations by 2025

Entomologists at Washington State University predict that the US Honeybee colony may decline by up to 70% by 2025.

The university revealed in a News Release that over the last decade, annual losses of Honeybee Colonies averaged between 40% and 50%. However, this year, a combination of factors such as nutritional deficiencies, mites infections, viral diseases, and potential pesticide exposure during the previous pollination season contributed to even higher losses.

Priya Chakrabarti Basu, assistant professor of health and pollinator behavior at WSU, expressed concern over the increasing losses, stating, “The demand for pollination remains high, putting pressure on beekeepers to maintain colonies to meet these needs.”

The implications could be significant as about 35% of the world’s food depends on pollinators, as stated by the National Institute of Food and Agriculture.

Flocking bees form clusters in Las Vegas trees.
Gabe Ginsberg / Getty Images

Brandon Hopkins, professor of pollinator ecology at WSU, warned that higher colony losses could result in increased costs for farmers relying on bee colonies.

Hopkins added, “This level of national loss could potentially lead to beekeepers facing bankruptcy, affecting farmers who depended on them for pollination.”

The Honeybee industry had a production value of around $350 million in 2023, as reported by the Agriculture Department.

Hopkins noted that extreme Honeybee losses also pose a particular risk to the almond industry this year.

He stated, “The almond industry heavily relies on robust colonies, and this year, due to low supply, any beehives are in high demand.”

Reflecting on the situation, Hopkins added, “I haven’t seen a decline like this since the colony collapse in 2008.”

Source: www.nbcnews.com

Latamgpt’s goal is to develop AI that accurately reflects the diverse culture of Latin America

Latin America has been a source of inspiration for various aspects, including a popular literary and musical genre and staple foods like potatoes. A famous Happy meal is now an indication of this inspiration. There is potential for Latin America to also become a cradle for AI.

A coalition of research institutes is collaborating on a project called latamgpt, which aims to create a tool that considers regional language differences, cultural experiences, and “specificity.” This tool is intended to provide more accurate representations for users in Latin America and the Caribbean compared to existing Large Language Models (LLM) primarily trained by US or Chinese companies in English.

The project lead, Rodrigo Duran Rojas, expressed the importance of developing local AI solutions to better serve Latin America. The goal is to offer a representative outlook tailored for the region, with initial tests showing promising results in areas like South American history.

Over 30 institutions are involved in the development of Latamgpt from countries across the hemisphere, including collaborations with Latinos in the US like Freddy Vilci Meneseth, an associate professor of Hispanic Studies at Lewis & Clark College, Oregon.

Latamgpt’s launch is planned for around June, following a significant commitment from various regions for improved AI governance. Projects like monitoring deforestation in the Amazon Rainforest and preserving historical documents from past dictatorships are contributing to the dataset used for training Latamgpt.

With a dataset of over 8 terabytes, Latamgpt aims to provide a nuanced and localized model for various applications. The project faces challenges in incorporating diverse dialects and complex grammatical structures, but emphasizes the importance of collaboration for continued development.

Diversified dialects and complex grammar challenges

Efforts like Latamgpt, CHATGPT, and Google’s Gemini are working towards incorporating a wider range of data and improving localization for non-English languages. Challenges in training models for languages with complex grammar and dialects persist.

Despite these challenges, Latamgpt aims to address these issues through collaboration with institutions, libraries, and archives across the region. The project continues to receive data and feedback to enhance its capabilities and explore applications in public policy and regulation.

The long-term goal of Latamgpt is to create an interconnected network for developing AI solutions with a Latinx touch, emphasizing the impact of collaboration in shaping the future of technology in Latin America and beyond.

An earlier version of this story was first published by Noticias Telemundo.

Source: www.nbcnews.com

Chinese researchers announce successful liver transplants from pigs into brain dead patients

Chinese researchers have made progress in the field of inter-animal organ transplantation with a successful pig kidney transplant reported on Wednesday. They believe that pig liver may also prove to be useful in the future.

This Chinese patient is the third person worldwide known to be living with gene-edited pig kidneys. The research team has also successfully experimented with implanting pig liver into brain-dead individuals.

Scientists are genetically modifying pigs to make their organs more human-like in the hopes of addressing the shortage of organ transplants. While previous xenografts in the US were short-lived, two recipients of pig kidneys – an Alabama woman in November and a New Hampshire man in January – have shown promising results. Clinical trials in the US are now commencing.

Nearly three weeks after the kidney transplant, the Chinese patient is reported to be doing “very well” with the pig kidneys functioning effectively, according to Dr. Lin Wang of Xijing Hospital. The patient is a 69-year-old woman who has been suffering from kidney failure for eight years.

The next challenge for xenotransplantation is learning to transplant pig livers. In an experiment reported on Wednesday, pig liver was successfully transplanted into a brain-dead individual for 10 days. While the pig liver produced bile and albumin, essential for basic organ function, it did not perform as well as a human liver.

Dr. Wang believes that the pig liver could potentially support a failing human liver to some extent. In the US, a similar approach is being studied by pig developer Egenesis, where a pig’s liver is externally attached to support a brain-dead individual’s liver function.

In China, the team led by Dr. Wang did not remove the deceased person’s own liver but instead implanted the pig liver nearby.

Dr. Parsia Vagefi, a liver transplant surgeon, commented on the experiment, stating that while it shows promise, there are still many questions that need answers. Dr. Wang’s team plans to analyze the results of another brain-dead individual who received a pig liver transplant.

Last year, another Chinese hospital reportedly transplanted a pig liver into a living patient after removing part of their cancerous liver, but the outcome of the experiment is unclear.

Source: www.nbcnews.com

The Era of Ozempic is Just Starting.

u grabowsky/imagebroker/shutterstock

Just a year ago, hype was being built around semaglutide drug Ozempic and Wegovy, so the conversation revolved around the possibility of “end obesity” by helping people lose a lot of weight.

Then there was talk about how the appeal for semaglutide weight loss caused a shortage in people who needed it to treat diabetes, and which celebrities got it. Despite the topic, these treatments were still somewhat exotic.

There is no more talk of shortages today. In fact, it’s easier than ever to get these medications from an online pharmacy if you have the funds and a proper BMI. At the speed of lightning, the jab has become a common name. You or someone you know may be taking it often.

Some data show that one in eight people in the US tried one of the new generation of weight loss pills. In the UK, they have taken about 1 in 7 people or have family and friends. It’s fair to say we live in the Ozempic era, and it changes much more than our collective waistline.

Many people experiment with small amounts of weight loss medication, is this a good idea?

This special report clearly looks at the new normality and the questions it raises. These treatments refer to traditional approaches to weight loss, particularly exercise (see Why exercise is more important than ever when taking weight loss medications). Drugs people see “GLP-1 drugs are the beginning – the next powerful drug is expected”)? Over the past year, studies have been found that examined the benefits of other conditions, including Alzheimer’s disease, depression, and addiction. So how do they affect the brain beyond appetite regulations (see “Do GLP-1 drugs really tell us about the brain’s reward system?”)?

Many people are experimenting with taking them at lower doses, which is a good idea (“I’m getting an increase in microdeficient GLP-1 drugs, does that work?”)? We also ask what all of this means for society as a whole (see “Unexpected Effects of Society Transformed by Weight Loss Drugs”) and what comes next (see “GLP-1 Drugs Is the Beginning – The Powerful Drugs You Expect Next”).

What’s clear is that the new boom in weight loss pills is just the beginning. In another year, things can look very different again.

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  • obesity/
  • Weight loss drugs

Source: www.newscientist.com

The Revealed Long-Term Effects of Pregnancy on Different Body Parts

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Pregnancy has many effects on the body

Anna Still/Getty Image

As anyone who goes through it knows, pregnancy transforms the body a lot. And now we have the most detailed picture of how it affects the blood, organs and immune system each week. This not only helps to provide post-pregnancy treatment, but also helps to identify the risk of developing certain conditions during pregnancy.

“We’ve got an unprecedented view of how much it takes a mother’s body to change weekly, to make up for the incredible load and how long it takes to recover after delivery,” he says. Uriaron At the Wiseman Institute of Science, Rehobot, Israel.

Despite its importance, pregnancy has not been studied, Aron says. For example, previous studies have tracked how about 20 blood markers change, including salt and iron levels. Up to about 6 weeks for dozens of pregnant women After delivery, samples collected during standard healthcare will be used. “These experiments are usually performed in a small number of patients and sample only once at the late pregnancy or at each time point,” Aron says.

To gain a more comprehensive view, Aron and his colleagues analyzed previously collected blood samples from over 160,000 women in Israel, ages 25 to 31. Together, these samples provided weekly, weekly physical snapshots from 20 weeks of conception to 18 months after birth, with each woman providing several points of data. This approach gives useful insight into how the body generally changes during pregnancy at the population level, but says that following the same woman over time will provide a better picture of the individual trajectory. Christofree Imperial College London.

The researchers mapped changes in 76 blood markers, including levels of protein, fat and salt that show the functioning of the liver, kidneys, blood, muscle, bone and immune system. They found that each of these markers differed significantly from preconcept levels during pregnancy to gradually return to preconceived levels or reverse overshooting before returning to preconceived baseline.

In particular, scientists found that 36 markers, including those associated with blood clotting, bounced off within a month of delivery, but 31 markers took more than 10 weeks to recover. For example, some changes to the liver and immune system took about 5 months to return to prepregnancy levels, and some kidney markers took about six months. Some bone and muscle markers took even longer. It is unclear what exactly this means for women’s health, but it should be investigated in future work, Aron says.

Additionally, several other markers did not return to baseline levels for more than one year after birth. “The slightly archaic view that by six or eight weeks after pregnancy, everyone is completely back to normal is clearly wrong,” says Leeds.

For example, iron levels remained much lower after giving birth. “Women are very likely to have anemia [have low iron levels] I think it will take 6-12 months for the iron shop to return to normal after giving birth due to bleeding, and as the developing fetus removes many iron stores from the body.

Meanwhile, levels of proteins called CRP remained high. “CRP is affected by many different processes. Inflammation is certainly one of them, but things like hormonal changes can also affect this,” says Lees. In another analysis, the team examined differences in markers between women with prelammosis. This saw people who are pregnant and not with hypertension, where high blood pressure can cause headaches, vision problems and pain under the ribs. This revealed that women who developed pre-lamp syndrome before conception had increased levels of blood cell fragments called platelets and proteins called ALT.

“For decades, the idea was that if the placenta wasn’t properly planted and not properly planted, the blood supply would be destroyed and the mother would release the hormones and substances that would help her blood pressure,” says Leeds. “However, some studies suggest that those who developed it have different cardiovascular functions before pregnancy. These findings add weight to this theory.”

If further studies have shown that these conceptual markers actually indicate the risk of pre-lammosis, they could be used to identify potentially high-risk women. “Then you can target ways to improve your health before pregnancy (through exercise and lifestyle advice) and reduce your risk,” says Leeds.

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Source: www.newscientist.com