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This deep-sea enzyme survives heat that destroys most proteins
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This deep-sea enzyme survives heat that destroys most proteins

A deep-sea microbe uses an exceptionally heat-resistant enzyme to turn atmospheric nitrogen into ammonia at temperatures that would destroy most proteins. Its unusual structure and a newly observed reaction state may reveal an ancient, shared mechanism behind nitrogen fixation and could eventually inspire cleaner biotechnology and fertilizer production.

📅 2026-09-19 11:49:45    •    ScienceDaily
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Scientists find that “perfect” systems may be surprisingly fragile
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Scientists find that “perfect” systems may be surprisingly fragile

Complex systems may work better when their parts are not perfectly alike. Northwestern physicists found that carefully balanced variation, or “disorder,” can make networks such as power grids, ecosystems, neurons, and materials more stable. Even random differences sometimes improved stability compared with completely uniform systems. The discovery could help researchers design more resilient technologies and explain why natural systems are so rarely perfectly uniform.

📅 2026-09-19 11:26:53    •    ScienceDaily
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Loss of Y chromosome in men could be an early warning sign of cancer
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Loss of Y chromosome in men could be an early warning sign of cancer

A study initiated by Dr. Dan Theodorescu, a physician-scientist at the University of Arizona Cancer Center, revealed that the loss of the Y chromosome in men's body tissue could pave the way for cancer to develop. According to research recently published in JCI Insights, the loss of the chromosome, which is common in men as they age, creates a preneoplastic field effect, a hidden zone of genetic vulnerability in normal tissue that provides fertile ground for cancer to develop.

📅 2026-09-19 11:20:01    •    Phys.org
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Scientists solve a 50-year mystery and discover a new human blood group
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Scientists solve a 50-year mystery and discover a new human blood group

Scientists have identified the genetic cause behind the mysterious AnWj blood group antigen, solving a puzzle that began in 1972 and establishing a new blood group system called MAL. The discovery could make it much easier to find extremely rare AnWj-negative patients and donors and protect them from potentially dangerous transfusion reactions.

📅 2026-09-19 10:14:15    •    ScienceDaily
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Sea surface temperature biases shift the North Pacific jet stream southward, study finds
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Sea surface temperature biases shift the North Pacific jet stream southward, study finds

Climate models are numerical models used to project future climate change. They simulate the climate from the present into the future by calculating changes in the atmosphere, ocean and other components of the climate system. However, simulations of the present-day climate do not perfectly reproduce observations and contain various biases. The model characteristics that cause these biases can also affect simulations of the future climate. Understanding the causes and impacts of present-day climate biases is therefore important for improving the reliability of future climate projections.

📅 2026-09-19 09:50:01    •    Phys.org
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Why does blond hair tend to darken with age?
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Why does blond hair tend to darken with age?

If your blond preteen seems to be turning into a brunette, you're not imagining things. For some children, hair that starts out platinum blond gradually becomes darker and may end up dark brown, or even black, as they grow. So what causes this change? The short answer is that hair color is controlled by a complex interplay of genes, pigment-producing cells and, later in childhood, hormones. Scientists understand many of the genes involved in hair color, but they are still trying to find out why some blond children's hair darkens while others' locks remain blond for life. "It depends on their genetic inheritance," Desmond Tobin, a professor of dermatological science at University College Dubl...

📅 2026-09-19 09:00:00    •    Live Science
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Improving urban flood forecasting with real-time hazardous rainfall detection
Science News

Improving urban flood forecasting with real-time hazardous rainfall detection

The Korea Institute of Civil Engineering and Building Technology (KICT) announced that it will apply its early detection technology for quasi-stationary linear rainbands and sudden localized torrential rainfall to the Urban Flood Forecasting Platform operated by the Han River Flood Control Office in Korea for urban flood forecasting.

📅 2026-09-19 03:20:02    •    Phys.org
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Scientists discover the first diplodocus ever found outside North America
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Scientists discover the first diplodocus ever found outside North America

A 150-million-year-old dinosaur fossil from Spain has been identified as the first confirmed Diplodocus ever found outside North America. The giant sauropod measured about 25 meters long and was preserved well enough for researchers to match distinctive features in its tail bones to the famous genus. Its unexpected appearance in Europe suggests dinosaurs were moving between the continents during the Late Jurassic, possibly across temporary land connections.

📅 2026-09-19 02:51:08    •    ScienceDaily
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Billions in rare earth elements may be hiding in America’s coal ash
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Billions in rare earth elements may be hiding in America’s coal ash

Scientists are looking to diatoms, sea sponges, and plants for a cleaner way to recover rare earth elements and other valuable minerals hidden inside coal ash, red mud, and mine tailings. The bio-inspired approach could turn massive industrial waste piles into useful materials while reducing energy use, harsh chemicals, and reliance on new mining.

📅 2026-09-19 02:08:56    •    ScienceDaily
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Peer sexual harassment emerges early, highlighting need for prevention before Grade 4
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Peer sexual harassment emerges early, highlighting need for prevention before Grade 4

Sexual harassment between peers begins as early as Grade 4 and continues throughout lower secondary school. Most of those who sexually harass others have also experienced harassment themselves. These are among the findings of a doctoral thesis in psychology by Aziz-Kaan Dönmez from the University of Gothenburg, who studied peer sexual harassment among Swedish children and adolescents in Grades 4–9. Dönmez will defend his thesis on October 2.

📅 2026-09-19 01:00:01    •    Phys.org
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North Korea's nuclear testing may have triggered hundreds of earthquakes over several years
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North Korea's nuclear testing may have triggered hundreds of earthquakes over several years

Between 2006 and 2017, North Korea conducted six underground nuclear tests at its vast testing site at Mount Mantap in North Hamgyong province. Typically, underground explosions trigger an intense burst of minor earthquakes that die down once testing stops. But geologists have detected far more seismic activity after the final detonation, and it has persisted for years.

📅 2026-09-18 21:00:01    •    Phys.org
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Medieval Chinese skeleton may reveal first evidence of a brutal punishment
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Medieval Chinese skeleton may reveal first evidence of a brutal punishment

Ancient Chinese authorities used many creative ways to punish people, often with methods designed to mark them for life. One brutal example mentioned repeatedly in historical texts is cutting off a person's nose. However, archaeologists in China have never found skeletal evidence to prove that it occurred. But that may have changed following the discovery of a skeleton of a woman who lived in China about 700 years ago.

📅 2026-09-18 19:20:05    •    Phys.org
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Workplace AI adoption remains slow, informal and uneven, survey finds
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Workplace AI adoption remains slow, informal and uneven, survey finds

Despite the rapid development of generative AI and the high level of public interest, the use of AI in the day-to-day work of many employees is not yet the norm. This is the finding of the third wave of the Konstanz AI study, for which a total of 1,105 employees were surveyed in May 2026. The proportion of employees who use AI in their work rose only slightly from 35% to 38% compared with the previous year.

📅 2026-09-18 19:20:02    •    Phys.org
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Power breeds suspicion: In cases of wrongdoing, people point to leaders more quickly
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Power breeds suspicion: In cases of wrongdoing, people point to leaders more quickly

People with power are more quickly singled out as the culprit when something goes wrong but it is unclear who made the mistake. That is shown by a series of studies by researchers at the University of Amsterdam. In one, they analyzed almost 100,000 everyday conflicts on the Reddit page "Am I the Asshole?" According to the researchers, people with power are more readily blamed because others think they can "get away with anything." The findings are published in the Journal of Personality and Social Psychology.

📅 2026-09-18 19:00:01    •    Phys.org
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