Tag Archives: uncovering

The Victorian Era’s Affinity for Smoking: Uncovering its Effects on Bone Health

Posted on by
Reply

Recent archaeological findings indicate that smoking not only stains teeth but also has a literal impact on bones. Additionally, new research suggests that the prevalence of smoking among women in Georgian and Victorian England may have been underestimated compared to men.

In a study conducted by Dr. Sarah Inskip, it was discovered that many women in historical records showed traces of tobacco use, contradicting common beliefs about smoking habits. This finding highlights the importance of considering smoking as a significant health risk for both men and women.

The survey results published in a scientific journal suggest that advancements in analyzing bones for historical information can also aid in modern criminal investigations. By identifying smoking patterns and other lifestyle aspects from bone samples, researchers can create biological profiles to assist in identifying individuals in forensic cases.

Researchers have identified specific molecular markers in bones that indicate smoking habits. By analyzing skeletal remains from different time periods, they found evidence of tobacco use in a significant portion of individuals, including those dating back to the 12th century.

These findings provide valuable insights into the historical prevalence of smoking and its impact on individuals’ health. The research team’s work opens up new possibilities for understanding past health issues and potentially improving modern health outcomes.

About our experts

Dr. Sarah Inskip, a researcher at the University of Leicester and a UKRI Future Leaders Fellow, has published her research in prestigious journals such as nature communications, archaeology and anthropology, and American Journal of Physical Anthropology.

read more:

Source: www.sciencefocus.com

Uncovering the Strava Controversy: How a Fitness App Revealed the Identities of the World’s Elite

Posted on by
Reply

name: strava

year: It was founded in 2009 by former Harvard rowers Michael Horvath and Mark Gainey.

What exactly is that? fitness app.

How does it work? It is popular among cyclists and runners who use GPS data to track their activities and record their activities to share with the community. Also useful for jackals…

Like “The Day” of … ‘'?Why? Investigation by French newspaper Le Monde We’ve used it to track the movements of Joe Biden, Donald Trump, Kamala Harris, and other world leaders.

trump doesn’t do that Looks like a typical Strava user… Well, not specifically them, but their bodyguards. Le Monde found that some US Secret Service agents have been using the app since the Trump assassination attempt. They also used the bodyguard’s Strava profile to track the movements of Jill Biden and Melania Trump.

Perhaps they realized that Melania is no longer close to her husband? It’s not that kind of investigation. In another example, an agent’s Strava tracked jogging route was used to identify the San Francisco hotel where Joe Biden was meeting with Chinese President Xi Jinping.

Seems very lax, but are agents even allowed to use personal phones? Although prohibited during work hours, the U.S. Secret Service told Le Monde that personal use of social media outside of work hours is not prohibited. But they also said that “affected personnel have been notified” and that “this information will be reviewed to determine if additional training or guidance is required.”

It’s like he’s worried. Is it just Americans? Mysnon. The paper also identified 12 members of the French security group GSPR and six members of Russia’s FSO.

President Putin will probably tell us to be more careful in the future.. There has been no communication from the Kremlin. Mr Macron’s office said it had not affected his security but had instructed agencies not to use the app.

IIs this the first time you’ve had security concerns regarding Strava? It’s interesting so you should give it a listen. In 2018, students discovered they had created maps of US military bases in Syria and Afghanistan, as well as the Royal Navy’s Faslane base. Another security flaw in 2022 revealed the identity and movements of: Israeli military base security guard. And things got very serious last July…

Oh please continue. Rental runner in Singapore hit the news It offers a service that lets you log on to someone else’s ID, run on their behalf, and charge them per kilometer.

So can people pretend to exercise when they don’t? that’s right. I became known as the Strava Jockey.

But that would defeat the whole purpose. No praise! Well, some people will do anything to get a better PB.

Please say: “Strava It means effort in Swedish, don’t you know? “

Please don’t say things like: “Oh, that’s the layout of Camp David…”

Source: www.theguardian.com

The Unexpected Winners of the 2024 Ig Nobel Prizes: Uncovering the Surprising Science of the Year

Posted on by
Reply

The 34th Ig Nobel Prize was awarded today for 10 unexpected things – all so surprising that, in keeping with the Prize's long tradition, it makes people laugh and makes them think.

of Award Ceremony The event took place at the Massachusetts Institute of Technology, where the lecture hall was filled with paper airplanes thrown by audience members honoring the Ig Nobel tradition of bringing in pieces of paper to be transformed into disposable aircraft.

Peaceful Dove

This year's Ig Award winners cover a wide range of subjects, including humans, plants and other behaviours, including some birds.

Before deciding to use live pigeons to guide the flight path of a missile, you might want to conduct an experiment to see if it's feasible to house a pigeon at the nose of a missile. Such an experiment was conducted in the 1940s by psychologist B.F. Skinner, who was posthumously awarded this year's Ig Nobel Peace Prize.

Skinner's daughter Julie attended the ceremony and accepted the award on his behalf. B.F. Skinner was a giant in the field of behaviorism. A few years after his experiment with putting pigeons on missiles, he Written“Something happened in the short time frame of the Pigeon project that took a long time to be understood. The practical challenges before us have led to new ways of thinking about organismic behavior.”

A botanical sense of style

A similar rethinking of attitudes could come from the work of Jacob White and Felipe Yamashita, two 2024 Ig Nobel Prize laureates in Botany. They found evidence that some real plants mimic the shapes of their artificial plastic neighbors. For more information, see their study,Bochyra trifoliata Mimicking the leaves of an artificial plastic host plant“

Marjolaine Willems and her colleagues won the anatomy prize for investigating whether the hair of most people in the Northern Hemisphere curls in the same direction (clockwise or counterclockwise) as the hair of most people in the Southern Hemisphere.

For details, see their paper “Genetic determinism and hemispheric influence in hair formation“

The wind blows

Countless metaphors and phrases are associated with the work that earned Takebe Takanori and his colleagues the Nobel Prize in Physiology or Medicine. Found Many mammals can breathe through their anus.

The tenacity of the Probability Prize winners František Bartos, Erik Jan Wagenmakers, Aleksandra Sarafoglu and Henrik Godman, along with around 50 colleagues, many of them students, has paid off. ShowedWe know, both in theory and from 350,757 experiments, that when you flip a coin, it tends to land on the same side as you started with.

Painful placebo

Lieven Schenk, Tahmin Fadai and Christian Büchel won the medicine prize for demonstrating that a placebo that causes painful side effects can be more effective than a placebo that does not cause painful side effects.

(Their study It reminds me of the prize-winning paper by Dan Ariely and his colleagues, but doesn't explicitly cite it. 2008 Medicine Award They demonstrated that expensive counterfeit medicines are more effective than cheaper counterfeit medicines.

Jimmy Liao won the Physics Prize for demonstrating and describing the swimming ability of dead trout. series of paper He writes about his discovery of this unexpected aspect of fluid mechanics.

Drunken Bug

Earthworms can stay drunk and can become drunk when they consume alcohol. Tess Heremans, Antoine Debray, Daniel Bon and Sander Woutersen method Chromatography is used to separate drunk and non-drunk bugs.

The research award for demography (the statistical study of population) went to Saul Justin Newman for his research exploring whether demographers notice important details: Newman found that many of the people famous for having lived the longest lived in places where birth and death records were poorly kept.

Newman wrote two papers on the subject, each with a title that succinctly explained how his conclusions leaped.The oldest old and the oldest old are concentrated in areas without birth certificates and where life expectancy is shortThe other one is “Records of super-longevity and noteworthy ages show patterns that suggest clerical errors and pension fraud“

This year's gathering of Ig laureates ended with a flourish: Fordyce Ely and William E. Petersen were posthumously awarded the biology prize. experiment That's just what they did in the 1940s: They exploded a paper bag next to a cat standing on a cow's back to see when and how the cow would spill milk.

Eli's daughter Jane and grandson Matt were also in attendance to accept the award and watch demonstrations including a toy cat, a man in a cow costume and five Nobel Prize winners making an exploding paper bag.

Marc Abrahams is the founder of the Ig Nobel Prize ceremony and co-founder of the journal Annals of Improbable Research. He previously worked on unusual uses of computers. His website is Impossible.

Do you have a story for feedback?

You can submit articles for Feedback by emailing feedback@newscientist.com. Please include your home address. This week's and past Feedback can be found on our website.

Source: www.newscientist.com

Uncovering the Secrets of Dinosaurs: An Interview with David Horn on the Impact of New Technology

Posted on by
Reply
New Scientist. Website and magazine featuring science news and long-form articles covered by expert journalists on developments in science, technology, health and the environment.

Paul Riding/Joseph Woodhouse

Dinosaurs ruled the earth for around 180 million years. But fossils that are at least 65 million years old are incredibly hard to decipher, so we know very little about what these iconic prehistoric creatures lived. Finding out more has long seemed impossible, but not anymore.

Over the past few decades, new techniques and new specimens have provided previously unimaginable insights into the behavior and ecology of dinosaurs. Combined with insights from modern animals, this has finally enabled paleontologists to understand dinosaur biology, from parental care, migration, and hunting styles to communication, sociality, and combat.

David Horne is one of the researchers trying to find out more about life during the time of the dinosaurs: the paleontologist at Queen Mary, University of London, is soon to publish a book about his latest findings. Revealing dinosaur behavior: What they did and how we know. New Scientist From mobile herbivores and semi-aquatic predators to why ostriches are problematic for understanding which dinosaurs doted on their young, here’s some of what’s been discovered so far.

Collin Barrass: Some of the biggest dinosaurs were Diplodocus or BrachiosaurusFor example, dinosaurs were not at all similar to living animals, so how do we figure out how they behaved?

David Horne: One of the most important things we can do as paleontologists is to better utilize our knowledge of the biology and behavior of modern animals. Mouth shapes are a good example. People with small mouths usually target nutritious food, such as shoots and leaves, one by one. If…

Source: www.newscientist.com

Uncovering the Truth Behind Earth’s Crisis of Declining Sperm Counts

Posted on by
Reply

With the abundance of news stories, one might believe that humanity is on a path to self-destruction due to pollution, microplastics, and harmful chemicals. Reports of decreasing sperm counts have led to discussions about a possible “Spermageddon,” with politicians even considering incentivizing women to have children (source).

However, after speaking with experts like Professor Alan Pacey, a male infertility researcher, and Professor Sarah Harper, director of the Oxford Institute of Population Ageing, it seems that while there is reason to be concerned, we are not currently in a crisis.

Why are some people concerned about “Spermageddon”?

The concern dates back to a study from 1974 that showed a decrease in sperm counts among American men compared to the data from the 1950s (source). While various factors like climate change, genetic defects, and microplastics have been suggested as causes for declining sperm counts, not all experts are convinced about the severity of the issue.

Recent studies, including those conducted in Denmark, have not shown significant declines in sperm quality, leading to doubts about the extent of the problem. While concerns about microplastics and chemicals are valid, they may not be directly linked to infertility as some believe.

Recent research published in the journal Nature also suggests that semen quality worldwide may not be declining significantly.

Is global infertility on the rise?

While birth rates are indeed falling, experts argue that there is no concrete evidence of a widespread increase in infertility. Factors like delayed childbearing, improved access to fertility treatments, and reduced stigma around infertility may be contributing to more people seeking assistance at fertility clinics.

Why are populations declining in many areas?

The declining birth rates in countries like South Korea, China, and the United States are influenced by various factors, including economic growth and changing societal norms. While it may seem like an “infertility epidemic,” some experts see it as a demographic outcome of broader trends.

Should we be concerned?

Experts have differing perspectives on the issue. While some, like Professor Harper, believe that falling birth rates are not a cause for alarm, others, like Professor Pacey, are concerned about the barriers to fertility treatment and the impact on individuals facing infertility. Both emphasize the need for a nuanced approach to addressing the complex factors affecting fertility rates.

About our experts

Professor Alan Pacey MBE is a renowned researcher in male fertility and sperm biology at the University of Manchester, with over 30 years of experience in the field.

Professor Sarah Harper CBE is a gerontology expert at the University of Oxford, focusing on population aging and fertility trends.

Read more:

Source: www.sciencefocus.com

In Search of Mavis Beacon: Uncovering the Enigmatic Black Tech Hero | Documentary Film

Posted on by
Reply

BBefore the era of thumb-typing emails and text messages, typing was a manual skill reserved for those who could type 40 words per minute in the ’80s. If you’re reluctant to attend an in-person class, you can opt for a software program like Mavis Beacon Teaches Typing for $50. This application was the Typing class at the Catholic high school I attended when the priests just introduced the use of computers.

Mavis Beacon, launched in 1987, gamified typing exercises and carefully tracked typing progress. The software featured an elegant black woman on the cover, but it would take years to realize the implications of using one’s image for corporate gain.

The documentary “Searching for Mavis Beacon” sheds light on this lesson and the filmmakers’ struggle with the irony of their pursuit. The filmmakers embarked on a quest to uncover the woman behind Mavis Beacon: Haitian-born model Renée L’Esperance.

The film delves into Beacon’s influence as a pioneer of “obedient female robot assistants” and the challenges faced in exposing her true identity. The narrative unfolds like a detective story, drawing parallels to contemporary online identity politics and queer culture.

The filmmakers uncover L’Esperance’s background working in a department store perfume department where she was paid to pose as Mavis Beacon. Despite legal battles with the software company, her impact remains profound.

The documentary explores themes of privacy, representation, and cultural appropriation while honoring L’Esperance’s legacy. It concludes with a hint at future projects to explore the lives of those who followed in Beacon’s footsteps.

Ultimately, the film serves as a heartfelt tribute to Mavis Beacon’s legacy and the complexities of her story. It aims to provoke thought and reflection on the intersection of race, gender, and technology in society.

Source: www.theguardian.com

Uncovering the Root Cause of Bloating and Finding Effective Solutions

Posted on by
Reply

Many people experience uncomfortable sensations like abdominal bloating or pressure.

You may notice your stomach feeling bloated or tighter than usual, hear strange noises, or feel the need to pass gas more often. While bloating is usually harmless, it can be unpleasant.

There are numerous causes of abdominal bloating, from dietary habits to underlying medical conditions. Excess gas in the digestive tract, which occurs when air is swallowed along with food or drink, is a common cause.

Moreover, certain foods and beverages can lead to gas formation during digestion, such as carbonated drinks, beans, broccoli, sprouts, and cabbage. This gas accumulation in the digestive system can result in bloating, exacerbated by factors like chewing gum, sweeteners, alcohol, caffeine, and protein supplements.

Digestive issues like constipation or irritable bowel syndrome (IBS) can also contribute to abdominal bloating. When stool becomes trapped in the colon, it can cause discomfort and bloating. Similarly, individuals with IBS may experience bloating in conjunction with abdominal pain, diarrhea, and constipation.

To address bloating, start by identifying trigger foods through a food diary and eliminating them from your diet. Opt for a fiber-rich diet consisting of whole, unprocessed foods like fruits, vegetables, whole grains, and legumes. Probiotic-rich foods like yogurt and kefir can aid digestion and reduce gas.

In addition to dietary changes, consider incorporating herbs and spices like ginger, peppermint, and fennel to alleviate bloating. Lifestyle adjustments such as eating smaller meals, chewing food slowly, staying hydrated, and engaging in regular exercise can also help combat bloating.

If bloating persists, especially with accompanying symptoms, it is advisable to consult a doctor as it could rarely indicate ovarian cancer, particularly in women over 50.

Written by Natasha Reid of Lincoln, this article addresses the question of why individuals may feel bloated.

For any inquiries, please reach out via the provided email address. For more information: Facebook, Twitter, or Instagram (include your name and location).

Discover more fascinating scientific content on our Facebook page.

Read more:

Source: www.sciencefocus.com

Uncovering the Secret of Kestrels’ Still Hovering Ability

Posted on by
Reply

Kestrels have been trained to fly in a wind tunnel, revealing how they can hover in turbulent air while keeping their heads almost completely still.

Two Chinese kestrels (Falco cenchroides) says it took three years Abdulgani Mohammed The study was carried out at RMIT University in Melbourne, Australia. To make it even more challenging, each bird was fitted with 52 reflective markers to create the same 3D models that would be used in the computer-generated images.

Hovering is crucial for birds, allowing them to keep their heads completely still while they focus on prey on the ground. “It's a hunting behavior, and the bird's life depends on it,” Mohammed says. “They have an incredible sense of stability.”

In the wind tunnel, the researchers were able to create repeatable and measurable turbulent conditions that allowed them to study the specific movements and reactions of the kestrels. In total, the team recorded 58 hours of hovering over a period of five years.

The researchers found that the birds' hovering motion was extremely stable, with their heads never moving more than two millimeters in any direction.

“It's an amazing sight to see every time I see the birds hovering in the wind tunnel,” Mohammed says. “It's truly amazing to see how effortlessly and gracefully they hover.”

A Chinese kestrel flying in a wind tunnel

RMIT University

Unlike conventional aircraft with fixed wings and limited control over wing area, kestrels have transformable wings that can adjust their wing area almost instantly, which is key to them being able to remain stationary, Mohammed said.

The kestrels did this best by using clever wrist movements and subtle extensions and retractions of their elbows, and their tails also played a key role in providing stability, Mohammed said.

Based on their findings, the team is now building an unpowered drone prototype for testing in a wind tunnel.

“It's very difficult to accurately recreate all of the kestrel's anatomy, so we narrowed our findings down to the wrist and tail movements that contribute most to stability, and built a robotic version of the kestrel,” Mohammed says.

The artificial kestrel is currently being tested, with results expected later this year.

topic:

Source: www.newscientist.com

Scientists are on the verge of uncovering the secrets behind the construction of Egypt’s ancient pyramids.

Posted on by
Reply

A recent study published in July suggests that Egypt’s oldest pyramid, the Step Pyramid of Djoser, may have been constructed using advanced technology. The study proposes that a hydraulic lift system was used during the construction of the pyramid to raise the massive blocks needed for its construction.

The Step Pyramid of Djoser was built as the final resting place of King Djoser, the first or second pharaoh of Egypt’s Third Dynasty during the Old Kingdom, around 4,700 years ago. The pyramid rises in six tiers to a height of 62 meters above the Saqqara plateau, equivalent to the height of a 14-storey building.

If proven true, the existence of this hydraulic lift system would offer an explanation for how the ancient Egyptians were able to construct such monumental structures with the technology available at the time. The study also suggests that a nearby enclosure, known as Gisr el-Mudir, may have served as a “check dam” to capture water and sediment, supporting the hydraulic system.

Map of the Saqqara plateau showing the waterway from the Gisr el-Mudir Dam to the water treatment facility near the Pyramid of Djoser. The water is then routed to the pyramid’s pipe network to power the hydraulic elevators. – Image courtesy of Paléotechnique, Paris, France

The study proposes that a sophisticated system of water treatment plants outside the pyramid combined with the Gisr el-Mudir and a ditch controlled water quality and flow. Water would flow into a shaft inside the pyramid where a float system potentially carried building stones to their needed locations. A plug system at the base of the shaft could then drain the water for the process to start again.

Xavier Landreau, president of Paleotechnique and lead author of the study, emphasizes the importance of this discovery in questioning established historical narratives and the technical knowledge possessed by the ancient Egyptian architects. The study also raises the intriguing question of whether the same hydraulic system used to construct the pyramid could have been used to bury the king in his final resting place within the pyramid.

About the Experts

Xavier Landreau: President of Paleotechnique and lead author of the study. Paleotechnique is a research practice that combines hydrology, geotechnical engineering, physics, mathematics, materials science, and history to explore the origins of civilization.

Read more:

Source: www.sciencefocus.com

The Search for the Revolutionary Star: Uncovering the Universe’s Game-Changer

Posted on by
Reply

Akinbostansi/Getty Images

No turning point in the history of the universe surpasses the birth of the first stars. As stars flickered into existence some 200 to 400 million years after the Big Bang, the energy they emitted ripped apart the atoms of the gas that had cooled the universe, reheating it in a process called reionization. Then, as the stars burned out and died, they created a cocktail of chemical elements that prepared the universe to give rise to galaxies, planets, and eventually life itself.

It's no wonder astronomers are itching to get a glimpse of this first generation of stars. To start with, they were spectacular: huge and blisteringly bright, thought to be 300 times more massive and 10 times hotter than the Sun. But observing them could also tell us a lot about the mysterious early stages of the Universe, particularly how the universe came to be flooded with supermassive black holes in an incredibly short space of time.

Now we may finally be on the brink. Earlier this year, astronomers reported that the James Webb Space Telescope (JWST), by fixing its excellent field of view on the outer edges of very distant galaxies, may already have seen evidence of the first stars. “The observations we can now make really expand our knowledge,” says Hannah Ubler of the University of Cambridge.

The signal may turn out to be a false alarm, but what's interesting right now is that other researchers are starting to look at different features of the light from the early universe, even suggesting that it might be the first stars.

Source: www.newscientist.com

Stegosaurus: Uncovering a new species

Posted on by
Reply

Chinese paleontologists have discovered fossil fragments of a new genus and species of stegosaur dinosaur. Bayinosaurus baojiensis.

Reconstructing your life Gigantespinosaurus (Lower foreground), a newly discovered sister species of Stegosaurus Bayinosaurus baojiensisand other dinosaurs discovered in the ShaxiMiao Formation. Image by A. Belov / CC BY-SA 3.0.

Bayinosaurus baojiensis It roamed the Earth during the Middle Jurassic period, about 165 million years ago.

This dinosaur species is StegosaursA group of herbivorous armoured dinosaurs that lived in the Jurassic and Cretaceous periods.

Stegosaurus reached a maximum length of about 9 metres (30 feet). It had a small head with peg-like teeth, vertical bone plates and spines on its back and tail, and hoof-like toes on all four limbs.

“Stegosaurus is a minor but iconic lineage of ornithischian dinosaurs, but its early evolution remains poorly understood due to a poor fossil record,” said Dr Li Ning from China University of Geosciences and his colleagues.

“These dinosaurs are characterized by having two parasagittal rows of enlarged dermal armor plates and/or spines that extend from the neck to the tip of the tail, and have been found on every continent except Antarctica and Australia.”

“The earliest stegosaurs date to the Middle Jurassic and were distributed worldwide by the Late Jurassic, after which diversity declined during the Early Cretaceous.”

“Middle Jurassic stegosaurs are rarely recorded, with only five species. Loricatosaurus From the UK, Isabelisaura From Argentina, Adorati Krit From Morocco and Huayangosaurus and Bashanosaurus From China.”

Partial skeleton of Bayinosaurus baojiensis The fossil, consisting of a partial skull, one cervical vertebra, seven dorsal vertebrae, and one caudal vertebra, Wangjiashan Formation.

“The study area is located in the northwestern part of the Baojishan Basin, Pingchuan District, Baiyin City, Gansu Province, China,” the paleontologists said.

“The Baojishan Basin is located at the eastern end of the Qilian Mountains.”

According to the team's systematic analysis, Bayinosaurus baojiensis is an early diverging stegosaur, Isabelisaura, Alcovasaurus, Junjunosaurus and Gigantespinosaurus.

“Bayinosaurus baojiensis “This dinosaur possesses several protoplasmic features and represents a morphological transition between early ostracods and the early-diverging stegosaurs,” the researchers say.

“The increased diversity of Middle Jurassic stegosaurs and their early divergence position suggest that stegosaurs likely diverged from their sister taxon, the ankylosaurs, in the early Middle Jurassic (or possibly much earlier).”

of study Published in the journal Scientific Reports.

_____

L. Nin others2024. A new species of stegosaur (Dinosauria: Ornithischia) discovered from the Middle Jurassic of Gansu Province, China. Scientific Reports 14, 15241; doi: 10.1038/s41598-024-66280-x

Source: www.sci.news

Uncovering the Science Behind Excessive Flatulence – The Mystery of Why I Fart so Much

Posted on by
Reply

On a daily basis, everyone naturally releases about 2.5 liters of gas through burps and farts. This gas originates from the air we breathe, the liquids we consume, and the bacteria in our digestive system. Our bodies expel this excessive gas through the mouth and anus. Sometimes, the gas may be released without notice, in small amounts, and without any detectable odor.

Unlike cows, methane is not the primary component of human farts. Therefore, when someone ignites a fart, it usually burns hydrogen gas.

Farting is a normal bodily function, but if you notice an increase in farting frequency, it may be due to an underlying medical condition.

Why do we fart?

Farting occurs because there is gas in our intestines that needs to be released.

A mixture of swallowed air and gas produced by digestive bacteria in the intestines eventually needs to be expelled through burps and farts.

The main gases in flatulence are hydrogen and carbon dioxide, while the unpleasant odor often comes from sulfur compounds present in small amounts.

Nerve endings in the anus help distinguish between gas buildup and solid stool, allowing gas to pass through without any issues.

Does everyone fart?

Every individual, without exception, passes gas through the large intestine due to swallowed air and intestinal bacteria. This gas mainly consists of nitrogen, carbon dioxide, hydrogen, methane, and trace amounts of smelly compounds.

Although everyone farts, some individuals may be more discreet about their flatulence.

Read more about flatulence:

Why do I fart so much?

It is normal for some people to fart more frequently than others. According to NHS, the average person farts between 5 and 15 times a day. However, certain medical conditions can lead to excessive farting.

Farting can be a symptom of conditions like celiac disease and lactose intolerance, as well as issues like constipation, irritable bowel syndrome, and gastroenteritis.

If you are concerned about your farting frequency, it is advisable to consult a doctor.

Where do you go when you hold back a fart?

What happens if you hold back a fart? ©Getty Images

If you try to suppress a fart, it might come out more quietly or get retained until your next trip to the bathroom. Eventually, the gas will find its way out!

What foods make you fart?

Beans, lentils, cabbage, broccoli, onions, prunes, and apples are among the foods that can cause flatulence. Consuming these foods, rich in soluble fiber, can lead to the production of gas during the fermentation process in the colon.

Do animals fart?

All humans fart, but not all animals do. Different animals have varying digestive systems that influence flatulence production.

Do rabbits fart?

Yes, rabbits fart due to their plant-based diet and digestive process involving fermentation in the cecum. Excessive gas buildup can be harmful to rabbits if not expelled properly.

Do spiders fart?

The possibility of spiders farting exists, but it has not been extensively studied. Their unique digestive system suggests gas production during liquid digestion.

Do birds fart?

Birds can fart, but evidence of this phenomenon is scarce. Some theories propose that birds may not fart frequently due to their rapid digestion process.

Did dinosaurs fart?

Dinosaurs, like other animals, did fart. Their historical flatulence played a role in the planet’s climate during the Mesozoic Era.

Read more about how the body works:

Source: www.sciencefocus.com

Protect Your Bones: Uncovering the Hidden Crisis in Women’s Bone Health

Posted on by
Reply

The global population is seeing substantial shifts due to the increase in average life expectancy. The World Health Organization reports that as of 2020, the number of individuals over 60 surpasses those under 5 worldwide..

In the UK, there are over 11 million people aged 65 and above, a number expected to rise to 13 million, constituting 22% of the population in a decade. This demographic change has drawn attention to often overlooked health issues, particularly in women: osteoporosis and bone fractures.

Globally, over 8.9 million osteoporotic fractures occur annually, equating to one osteoporotic fracture happening every three seconds somewhere in the world.

It impacts more than 200 million women worldwide, with an estimated one in three women over 50 likely to experience an osteoporosis-related fracture at some point. Studies suggest this is a significant cause of morbidity and mortality in women of this age group.

But why does bone health deteriorate with age? Our bones house specialized cells known as osteoblasts that generate new bone tissue. Conversely, osteoclasts are cells at the other end of the skeletal cycle responsible for dissolving old, damaged bone tissue and replacing it with fresh, healthy tissue.

The balance of activity between these cell types is crucial for bone health. Up to the age of 30, osteoblast activity generally exceeds osteoclast activity, resulting in more bone formation than loss. However, as individuals reach 35, osteoclast activity becomes dominant, leading to a gradual decline in bone quality and density.

Most concerning is the rapid decrease in estrogen production in postmenopausal women, which triggers increased osteoclast activity due to reduced osteoblast numbers and extended osteoclast lifespans. This change is believed to contribute to osteoporosis development.

read more:

When a certain level of bone density loss occurs, osteopenia may develop, leading to extremely low bone density and increased fracture risk, potentially progressing to osteoporosis. This condition is often referred to as “bone thinning,” but it results from changes in bone density, microstructure, and quality that compromise bone strength.

Unfortunately, both osteopenia and osteoporosis are typically asymptomatic until a fracture occurs, making diagnosis incidental. Various risk factors may contribute to the development of these conditions, including smoking, thyroid disease, diabetes, and certain medications like steroids.

Preventive measures for bone health should be initiated early. A balanced, calcium-rich diet is crucial, with dairy products serving as primary sources of calcium. Individuals with restricted dairy intake may need calcium supplements, emphasizing the importance of vitamin D production through sunlight exposure or supplementation.

While calcium and vitamin D are essential for bone health, engaging in bone-straining exercises, especially resistance training, can stimulate osteoblast activity, preventing osteoporosis progression. Exercise not only enhances bone mineralization but also improves muscle strength, balance, and posture, reducing the risk of falls and fractures.

For menopausal women, exercising efficacy in promoting bone mineralization hinges on adequate calcium and vitamin D intake, making supplementation vital. Additionally, various medications are available to treat or slow osteoporosis progression, with estrogen therapies recommended for menopausal women, particularly those with premature ovarian insufficiency.

Education and awareness about bone health can significantly impact prevention and proper management of osteoporosis, especially as societies aged. Addressing these issues is crucial as we navigate the future of an aging population.

read more:

Source: www.sciencefocus.com

Top Podcast of the Week: Uncovering the PCP Mystery on the Titanic Set

Posted on by
Reply

This week’s picks

the guillotine is coming


Wide range of weekly episodes available
“Themes are for cowards,” says the outspoken host of this new freeform chat series with three Glaswegian comedy buddies, Frankie Boyle, Susie McCabe and Christopher MacArthur Boyd. There are frank discussions about the ethics of sex with Tories, whether Billy Connolly would have been radicalized had he grown up in the internet age, and whether Boyle’s date with a “neo-Nazi” constituted sexual assault. There is a high possibility that it will develop into love. Alexi Duggins

Go straight to the comments


Wide range of weekly episodes available
Delve into the delusions of Daily Mail readers’ brains in this witty, high-spirited piece, where you hear celebrity guests comment on the news stories they’ve covered and guess which one it’s related to. I’ll try. Our first guest is Dani Dyer, who talks about his father’s love of Chinese restaurants, babysitting Keira Knightley and blow-drying fake eyelashes on Love Island. advertisement

With a handshake: Peter Bogdanovich and the icons of cinema


Wide range of weekly episodes available
Before his death, American filmmaker Peter Bogdanovich was working on an interview podcast. Now, thanks to his ex-wife and collaborator Louise Stratten, the work has seen the light of day. The guest list is impressive, with Quentin Tarantino, Guillermo del Toro, Greta Gerwig, Julie Delpy and more talking about other greats in filmmaking. Hannah Verdier




‘Themes are for cowards’…Frankie Boyle (pictured) has launched a new podcast with Susie McCabe and Christopher MacArthur-Boyd. Photo: Paul Hansen/Observer

Source: www.theguardian.com

Uncovering the Unseen Rules that Shape Our Most Meaningful Friendships

Posted on by
Reply

FACEBOOK users used to have more friends. Social networking sites pursue a commercial strategy of trying to “friend” as many people as possible. However, at some point around 2007, users began to wonder who the people they had befriended were. Then someone pointed out to us that he can only manage about 150 relationships at any given time. A series of cullings of “friends” followed, and the number 150 has since become known as “Dunbar's number.” Thank you, Facebook!

Modern technology may have given it some notoriety, but Dunbar's number has roots in evolutionary biology. Humans are a highly social species, but we don't easily manage relationships, and like other primates, the size of our social networks is limited by the size of our brains. My research 20 years ago revealed that this means we are unable to meaningfully interact with more than about 150 other people. No matter how social you are, that's your limit. In this respect we are all the same. However, recent research on friendship has revealed some interesting individual differences.

My colleagues and I explore how much time people spend cultivating different members of their social networks, how friendships form and disappear, and what we look for in a friend. I have made some eye-opening discoveries about it. What really surprised us was that each person has a unique “social fingerprint,” or idiosyncratic way of allocating social effort. This pattern is completely independent of who is in your friendship circle at any given time. But it can reveal a lot about your own identity and even affect how well you can cope with social restrictions…

Source: www.newscientist.com

The Health Benefits of the Mediterranean Diet: Uncovering the Reasons Behind its Effectiveness

Posted on by
Reply

When it comes to eating healthier, there has always been a sense of having your cake and eating it too. For decades, we've been told that the secret to staying healthy is to indulge in the fresh, delicious food of the Mediterranean. Adding more tomatoes, focaccia, and olive oil to your dinner plate, along with a glass of Chianti, is said to reduce your chances of developing a heart attack and type 2 diabetes.

The most surprising thing is that this is not just some exaggerated nonsense. Evidence that the Mediterranean diet can actually improve health in many ways has been growing for more than 50 years. “We are conducting large, long-term clinical trials that result in difficult clinical events,” he says. miguel martinez gonzalez at the University of Navarra in Pamplona, ​​Spain.

And there are not so many diets that are on the UNESCO list. Ten years ago, this United Nations agency Adding the Mediterranean diet to the representative list of intangible cultural heritage of humanity.

But despite all this praise, it was difficult to understand what it was about the diet that led to such benefits. First of all, nutritionists cannot agree on the exact form it should take. Additionally, family meals, home cooking, and other non-dietary factors should be considered. The good news is that over the past decade, we've begun to understand which components of our diets provide the greatest health benefits and why. This means we are now better able than ever to offer you the best advice…

Source: www.newscientist.com

Uncovering the Astonishing Facts about Ancient Bead-Like Fossils

Posted on by
Reply

Paleontologists have determined that a mysterious fruit first discovered in the 1970s is the oldest known frankincense fossil. Scale bar = 2 mm.
Credit: Stephen Manchester

Mysterious fossils discovered in India in the 1970s have been identified as part of the Frankincense family, suggesting a Southern Hemisphere origin and reshaping our understanding of plant evolution. In the early 1970s, paleontologists working on the outskirts of an Indian village discovered tiny bead-like fossils embedded in the gray chert that dotted the surrounding fields. The site was notorious for the discovery of hard-to-identify plant fossils, including the fruits of extinct creatures. The fossils have been named “Enigmocarpon”.

The new fossils proved to be similarly frustratingly unwieldy. More plants were discovered in India in subsequent decades, but scientists were unable to determine which type of plant they belonged to.

A breakthrough in fossil identification: Now, researchers say they have solved the mystery. Stephen Manchester, curator of paleobotany at the Florida Museum of Natural History, used CT scanning technology to create his 3D reconstructions of the original fossil specimens and other specimens collected since then. He showed this to his colleagues and noticed something strange about his five triangular seeds inside.

Before the widespread use of CT scans in paleontology, these small fossils, less than 10 mm in diameter, were particularly difficult to study and identify. “When I showed him the 3-D images, he said, ‘Those aren’t seeds. They’re pyrenes,'” Manchester said with Walter Judd, curator of botany at the Florida Museum. I remembered the conversation. Pyrene is a woody dispersal pod that provides an additional layer of protection to the seeds. Distinguishing between seeds and pyrenes requires close scrutiny, especially when they are the size of a snowflake.

“If we had a specimen that broke in just the right plane, we would have been able to identify it, but we couldn’t identify it with the material we had,” Manchester said. Although they may look like seeds, these woody structures are actually pyrenes, similar to the stones found in peaches and date palms.

Frankincense family connection: Only a few plant groups produce pyrene, and even fewer have fruits containing five seeds arranged in a pentagram. Through a process of elimination, Manchester and Judd determined that the fossils belonged to the frankincense family, an extinct member of the Kansas family. Fossilized trees, leaves, fruits, and flowers of this family have been found elsewhere in India, often sandwiched between thick basalt slabs created by the largest volcanic eruptions in Earth’s history.

Geological background and importance: At that time, India was an island off the southeast coast of Africa. India’s continental plate slowly moved toward Europe and Asia, breaking the seal of a thin layer of Earth’s crust as it passed through Madagascar. The fossils were preserved during a quiet period between eruptions, which makes it the oldest fossil of the Kansidae family ever discovered, and has important implications for the origin of the family. Scientists have a good idea of ​​when this group of plants first evolved, but it’s still unclear where they came from.

Source: scitechdaily.com

Uncovering the Impact of Climate Change on Exoplanets: Transitioning from Temperate to Fear

Posted on by
Reply

Researchers have conducted a new study on the runaway greenhouse effect, revealing how a critical threshold of water vapor could cause catastrophic climate change on Earth and other planets. This study reveals key cloud patterns contributing to this irreversible climate change and provides insight into exoplanets’ climates and their potential to support life. Credit: SciTechDaily.com

The UNIGE team, in collaboration with CNRS, successfully simulated an entire runaway greenhouse effect that could render Earth completely uninhabitable.

Earth is a wonderful blue and green dot covered with oceans and life, Venus It is a yellowish sterile sphere that is not only inhospitable but also sterile. However, the temperature difference between the two is only a few degrees.

A team of astronomers from the University of Geneva (UNIGE) and members of the National Center for Research Competence (NCCR) PlanetS achieved a world first by managing the entire simulation, with support from the CNRS laboratories in Paris and Bordeaux. Achieved. A runaway greenhouse process that could change Earth’s climate from an idyllic environment perfect for life to a harsh and more than hostile place.

Scientists have also demonstrated that from the early stages of the process, atmospheric structure and cloud cover change significantly, making reversing the nearly uncontrollable and runaway greenhouse effect extremely complex. On Earth, an increase in the average temperature of the Earth by a few tens of degrees after a slight increase in the sun’s brightness is enough to start this phenomenon and make our planet habitable.

A runaway greenhouse effect could transform a temperate, habitable planet with oceans of liquid water on its surface into a planet dominated by hot steam hostile to all life. Credit: © Thibaut Roger / UNIGE

Greenhouse effect and runaway scenario

The idea of ​​a runaway greenhouse effect is not new. In this scenario, the planet could evolve from an Earth-like temperate state to a true hell with surface temperatures exceeding her 1000 degrees. Cause? Water vapor is a natural greenhouse gas. Water vapor prevents solar radiation absorbed by the Earth from being re-emitted into space as thermal radiation. It traps some heat like a rescue blanket. A little greenhouse effect would be helpful, but without it, the average temperature of Earth would drop below the freezing point of water, making it a ball of ice and hostile to life.

Conversely, if the greenhouse effect is too strong, it increases evaporation in the oceans and increases the amount of water vapor in the atmosphere. “There is a critical threshold for this amount of water vapor, beyond which the Earth can no longer cool down. From there, everything ramps up until the oceans completely evaporate and temperatures reach hundreds of degrees.” , explains Guillaume Chabelo, a former postdoctoral researcher in the Department of Astronomy at the Faculty of Science at UNIGE and lead author of the study.

Groundbreaking research on climate change

“Other important studies in climatology to date have focused solely on either temperate states before the runaway or habitable states after the runaway,” says a study from the CNRS Institute in Paris and Bordeaux. Martin Tarbet, author and co-author of this paper, explains: study. “This is the first time a research team has used a 3D global climate model to study the transition itself and see how the climate and atmosphere evolve during the process.”

One of the key points of the study explains the emergence of very unique cloud patterns, increasing the runaway effect and making the process irreversible. “From the beginning of the transition, we can observe the development of very dense clouds in the upper atmosphere. In fact, the latter are responsible for the separation of the Earth’s atmosphere and its two main layers, the troposphere and the stratosphere. It no longer exhibits the characteristics of a temperature inversion. The structure of the atmosphere has changed significantly,” points out Guillaume Chavelot.

Serious consequences of searching for life elsewhere

This discovery is an important feature for studying the climate of other planets, especially exoplanets orbiting stars other than the Sun. “By studying the climates of other planets, one of our most powerful motivations is to determine the likelihood of them harboring life,” said Dr. said Emmeline Bolmont, director and co-author of “Extraterrestrial Research” study.

LUC leads cutting-edge interdisciplinary research projects on the origins of life on Earth and the search for life elsewhere in the solar system and beyond planetary systems. “After previous studies, we had already suspected the existence of a water vapor threshold, but the appearance of this cloud pattern is a real surprise!” reveals Emmeline Bolmont. “We also studied in parallel how this cloud pattern produces specific signatures, or ‘fingerprints’, that can be detected when observed. exoplanet atmosphere. The next generation of equipment should be able to detect it, ”he reveals Martin Turbet. The team also doesn’t aim to stop there. Guillaume Chabelo received a research grant to continue this work at the Grenoble Institute for Planetary Observation and Astrophysics (IPAG). This new phase of the research project will focus on specific cases from Earth.

Earth in fragile equilibrium

Using a new climate model, scientists have shown that a very small increase in solar radiation of just a few tens of degrees, leading to a rise in global temperatures, is enough to trigger this irreversible runaway process on Earth. I calculated that. It would make our planet as inhospitable as Venus. One of the current climate goals is to limit global warming caused by greenhouse gases to just 1.5 degrees Celsius by 2050. One of the problems with Guillaume Chavelot’s research grant is to determine whether a small increase in greenhouse gases could cause a runaway process. The brightness of the sun may be enough. If so, the next question becomes determining whether the threshold temperatures for both processes are the same.

Therefore, Earth is not far from this apocalyptic scenario. “Assuming this runaway process begins on Earth, evaporation of just 10 meters of ocean surface would raise atmospheric pressure at the surface by 1 bar. Within just a few hundred years, surface temperatures would exceed 500°C. Then the surface pressure would rise to 273 bar, the temperature would exceed 1500 degrees, and eventually all oceans would completely evaporate,” concludes Guillaume Chavelot.

Reference: “First Exploration of Runaway Greenhouse Transitions Using 3D General Circulation Models” by Guillaume Chaverot, Emeline Bolmont, and Martin Turbet, December 18, 2023. astronomy and astrophysics.

Exoplanets in Geneva: 25 years of expertise wins Nobel Prize

The first exoplanet was discovered in 1995 by two University of Geneva researchers, Michel Mayor and Didier Queloz, who won the 2019 Nobel Prize in Physics. With this discovery, Department of Astronomy, University of Geneva The construction and installation of has put us at the forefront of research in this field. harp upon ESO3.6 meter telescope at La Silla in 2003.

For 20 years, this spectrometer was the world’s most powerful at determining the masses of exoplanets. However, HARPS was surpassed in 2018 by ESPRESSO, another Earth-based spectrometer built in Geneva. very large telescope (VLT) Paranal, Chile.

Switzerland is also working on space-based exoplanet observations with the CHEOPS mission. This is the result of the expertise of two countries. University of Bern, the on-ground experience of the University of Geneva in collaboration with the universities of Geneva and with the support of the universities of the Swiss capital. These two areas of scientific and technical expertise are PlanetS National Center for Research Capability (NCCR).

Life in the Universe Center (LUC): A pillar of interdisciplinary excellence

of Life in the Universe Center (LUC) is an interdisciplinary research center at the University of Geneva (UNIGE), established in 2021 following the 2019 Nobel Prize in Physics awarded to Professors Michel Mayor and Didier Quelot. Thanks to advances over the past decade in both the fields of solar system exploration, exoplanets, and the organic structure of life, it is now possible to address the question of the emergence of life on other planets in a concrete way. Ta. It’s no longer just a guess. Located at the intersection of astronomy, chemistry, physics, biology, and the earth and climate sciences, LUC aims to understand the origin and distribution of life in the universe. Led by the Department of Astronomy, LUC brings together researchers from numerous institutes and departments at UNIGE, as well as from our international partner universities.

Source: scitechdaily.com

Uncovering the Hidden Physics of Temperature and Radiation

Posted on by
Reply

by Institute of Atmospheric Physics, Chinese Academy of Sciences December 16, 2023

A groundbreaking study investigated the complex relationship between Earth’s surface temperature and emitted longwave radiation, revealing deviations from the expected quaternary pattern. This research improves our understanding of climate sensitivity and the factors that influence it, such as greenhouse gases and atmospheric dynamics. Credit: SciTechDaily.com

Climate science research has revealed new insights into the relationship between surface temperature and emitted longwave radiation, challenging traditional models and improving our understanding of Earth’s climate sensitivity.

Want to know what causes Earth’s climate sensitivity? Recent research shows Advances in atmospheric science. We investigate a complex relationship that transforms the relationship between surface temperature and outgoing longwave radiation (OLR) from fourth-order to sublinear. Led by Dr. Jie Sun florida state university this study elucidates the hidden mechanisms that shape Earth’s climate and provides new insights into why the relationship between temperature and OLR deviates from the fourth-order pattern described by the Stefan-Boltzmann law. Masu.

Stefan-Boltzmann law and climate dynamics

What is the Stefan-Boltzmann law? Atmospheric greenhouse gases create a contrast between surface heat release and OLR, which is related to the fourth power of surface temperature.

Professor Hu Xiaoming of Sun Yat-sen University, corresponding author of the study, explained: This allows the relationship between surface temperature and OLR to follow a quartic pattern, since the radiation-emitting layer is lowered. ”

Diagram showing two main processes: sublinear surface temperature and outgoing longwave radiation (OLR). Left: Increased meridional surface temperature gradient due to the greenhouse effect of water vapor. Right: Poleward energy transport reroutes part of the OLR from warmer to colder regions. Credit: Ming Cai and Xiaoming Hu

Factors affecting surface temperature and OLR

This study reveals how various factors influence surface temperature and OLR. The water vapor greenhouse effect acts as a magnifying glass, amplifying temperature differences across the Earth’s surface without changing the latitudinal variation of the OLR. This suppresses the nonlinearity between OLR and surface temperature.

Polar energy transport, on the other hand, acts as an equalizer to harmonize temperature differences across different regions of the Earth. One of the by-products of this global heat redistribution is the rerouting of OLR from warmer to colder regions, which acts to reduce the differences in OLR between different regions. This further suppresses nonlinearities.

“Understanding these complex climate interactions is like deciphering a puzzle. Each piece brings us closer to deciphering the complexity of Earth’s climate,” said Ming Kai, a professor at Florida State University. Masu.”

By uncovering these relationships, scientists are learning more about Earth’s climate and how its complex components regulate overall climate sensitivity, i.e., not just the rate of energy output, but also where the output occurs to make significant progress in understanding.

Reference: “Sublinear relationship between planetary outward longwave radiation and surface temperature in a gray atmosphere radiative-convective transport climate model” Jie Sun, Michael Secor, Ming Cai, Xiaoming Hu, November 25, 2023. Advances in atmospheric science.
DOI: 10.1007/s00376-023-2386-1

Source: scitechdaily.com