Evolution
Mammal ancestors laid eggs—and this 250-million-year-old fossil proves it
A remarkable new discovery is shedding light on one of the greatest survival stories in Earth's history, and answering a decades-old scientific mystery. Lystrosaurus, a hardy, plant-eating mammal ancestor, rose to prominence ...
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Plants & Animals
Chimpanzee empire falls apart in rare instance of division and deadly violence
The largest group of wild chimpanzees known to scientists has permanently split in two. In a study published in Science, researchers from the University of Texas at Austin and other institutions report the first clearly documented ...
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Keeping up with the phages: How V. cholerae neighbors swap defenses against viruses
Like most bacteria, Vibrio cholerae lives under constant attack from viruses. To survive, bacteria equip themselves with antiviral immune systems. Previous work has shown that V. cholerae carries a large genetic element called ...
Cell & Microbiology
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Oxygen sensing helps explain why amphibians regenerate limbs but mammals cannot
Some animals can regrow lost body parts. Salamanders and frog tadpoles can rebuild entire limbs after amputation. Mammals cannot. For decades, biologists have tried to understand why. Now a team led by Can Aztekin at EPFL ...
Plants & Animals
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Deadly heat thresholds have already being crossed in six recent heat waves, study shows
Deadly heat wave events are occurring at temperatures and humidity levels previously thought to be survivable, according to a new paper by a team of international researchers, including from The Australian National University ...
Earth Sciences
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No more giants, no more heavy handaxes: Why early humans downsized their stone tools
For more than 1 million years, early humans in the Levant region of the eastern Mediterranean used a range of heavy tools, such as massive handaxes and stone balls, for important tasks, including processing animal carcasses. ...
Meditation changes brain activity quickly with a noticeable peak at 7 minutes, research reveals
Meditation is widely recognized for its extensive range of mental and physical health benefits, from reducing stress and anxiety to boosting cognitive and emotional health. What was considered a fringe activity is now a mainstream ...
Without the right tests, the best medicines make no difference
A new analysis from UC San Francisco argues that diagnostics—medical tests that match patients to the appropriate treatment—are being overlooked both in the United States and around the world. This is slowing progress against ...
Medical Xpress
1 hour ago
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Electrofluidic fiber muscles could enable silent robotic systems
Muscles are remarkably effective systems for generating controlled force, and engineers developing hardware for robots or prosthetics have long struggled to create analogs that can approach their unique combination of strength, ...
Robotics
40 minutes ago
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How the blood-brain barrier opens: Two proteins may guide future drug delivery
The cells that line the blood vessels in our brains are highly selective. By deciding which molecules are allowed in and out of our most important organ, the barrier these cells form is critical for keeping us alive. But ...
Medical Xpress
20 minutes ago
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The Future is Interdisciplinary
Find out how ACS can accelerate your research to keep up with the discoveries that are pushing us into science’s next frontier
Medical Xpress
Tech Xplore
Could revisiting Asimov's laws help us avoid AI's 'Chernobyl moment?'
Waiting for DeepSeek: new model to test China's AI ambitions
Using AI models to detect sinkhole trouble
A new generation is reviving the iPod for distraction-free listening
Meta releases first new AI model since shaking up team
Leather gets a power upgrade with laser-written microsupercapacitors
New hydrogen fuel cell design could unlock key clean energy technology
Cheaper thermoelectrics? Silver selenide approaches performance level of commercial materials
Latest Anthropic AI model finds cracks in software defenses
Mathematical signature spots when competition is fair, winner-take-all, or too soft
A University of Houston researcher and his collaborators have developed a mathematical model that helps identify whether a competitive environment is healthy, stagnant or skewed. Published in the journal npj Complexity, the ...
Mathematics
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How an overactive immune system can drive cancer
The immune system is designed to protect us against viruses and bacteria. In autoimmune diseases, however, the immune system instead attacks the body's own cells. Conditions such as systemic lupus erythematosus (lupus) and ...
Medical Xpress
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Volcanic rock formula cuts cement emissions by two-thirds
Researchers have developed a volcanic rock formula that cuts carbon emissions by 67%, potentially offering an affordable alternative to increasingly scarce cement additives.
Engineering
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How surface chemistry impacts the performance of malaria nets
Insecticide-treated bed nets remain one of the most effective tools in malaria prevention, acting both as a physical barrier and as an insecticidal surface that kills or disables mosquitoes before they can transmit disease. ...
Biochemistry
2 hours ago
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A year after forgiving, people report stronger mental health and pro-social character
Can forgiving someone today leave you with an improved sense of well-being a year from now? A new study of residents of 22 countries says yes. The caveat, though, is that the size of the impact varies by nation, as does its ...
Medical Xpress
2 hours ago
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Ant larvae control parental care by using odor signals
In the clonal raider ant (Ooceraea biroi), workers in a colony alternate between caring for larvae and laying eggs in a coordinated cycle. Researchers at the Max Planck Institute for Chemical Ecology in Jena have discovered ...
Plants & Animals
2 hours ago
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Diabetes prevalence in American neighborhoods is influenced by historic and contemporary structural racism: Study
Diabetes is more prevalent in neighborhoods where historic residential redlining occurred and where contemporary structural racism persists, according to a new study by University at Buffalo population health researchers. ...
Medical Xpress
2 hours ago
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Great apes mirror facial expressions with surprising precision, study shows
New research from the University of Portsmouth has found that great apes exhibit exactness in mimicking one another's facial expressions in social contexts. The study, published in Scientific Reports, explored how orangutans ...
Evolution
2 hours ago
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What if dark matter came in two states?
The absence of a signal could itself be a signal. This is the idea behind a new study published in the Journal of Cosmology and Astroparticle Physics, which aims to redefine how we search for dark matter, showing that it ...
Astronomy
15 hours ago
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Sauna heat sends white blood cells surging through your bloodstream, study finds
Sauna bathing releases white blood cells into the bloodstream, a new study from Finland shows. Circulating white blood cells play a key role in the body's defense against various pathogens and diseases. The results were published ...
Medical Xpress
3 hours ago
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Study rethinks the dropout-crime connection
Dropping out of high school has been linked to higher rates of delinquency and lower socioeconomic status, but thinking of high school dropouts collectively, as one group, is a flawed belief that could be affecting interventions. ...
This giant virus just gave up its atomic blueprint
A research group has successfully determined, for the first time in the world, the capsid (outer shell) structure of Melbournevirus—a member of the giant virus family—at a resolution of 4.4 Å using cryo-electron microscopy ...
Northeast farmers could profit from grass-fed beef if they expand, join forces
New York State and New England have optimal conditions for grass-fed beef production—with an abundance of pasturelands and forage—but higher production costs have made farmers wary of expanding operations. In a new analysis, ...
Four sperm whale strandings point to potential human causes
Four sperm whales that stranded separately on southeastern U.S. coastlines between 2020–22 were emaciated and malnourished, with ingested fishing gear and marine debris found in two of them, according to a new study that ...
Scientists unveil breakthrough tool that could help stop the world's third‑biggest driver of deforestation
Scientists at the Royal Botanic Gardens, Kew, World Forest ID, University of Sheffield and international collaborators have developed a new technique that can identify where soybeans—the third largest driver of tropical deforestation—are ...
Artemis II crew will endure 3,000°C on re‑entry. A hypersonics expert explains how they will survive
After successfully completing their mission to the moon, the Artemis II crew are about to return to Earth.
A fixation with 'toxic leaders' ignores wider truth behind corporate scandals
A new study, published in the British Journal of Management, examines the high-profile cases of Theranos, Purdue Pharma, Enron, and Wirecard, and claims that the desire to pin the blame on individuals has allowed the systemic ...
A Mercury rover could explore the planet by sticking to the Terminator
The closest planet to our sun, Mercury, experiences extreme temperature variations. Since the planet has no atmosphere to speak of, it is in a constant cycle where one side is extremely hot and the other extremely cold. On ...
Twin NASA control rooms support Artemis safety, success
Twin control rooms at NASA's Marshall Space Flight Center in Huntsville, Alabama, are actively supporting real-time mission operations in lunar orbit as part of the agency's Artemis II mission, helping ensure astronaut safety ...
Keeping roads and train lines open during India's monsoon floods
Seasonal monsoon rains in India turn crops lush and fill essential water reservoirs. They can also cause roads to flood and bring train travel to a standstill, impacting the economic heartbeat of cities and towns.
Researchers develop AI-driven air quality monitoring system
Johannesburg's air quality has never really been measured systematically. Like many other cities across the globe, scientists have battled to develop cost-effective monitoring systems that provide accurate real-time data ...
Tiny plankton have big impact on harmful algal bloom predictions, data reveal
As climate change intensifies harmful algal blooms worldwide, an international team led by Hiroshima University has developed a hybrid modeling approach that combines algal movement simulations, AI, and long-term monitoring ...
Taming skyrmions: Atom-thin magnets point to ultra-dense, low-power memory
Data is growing at a staggering pace, pushing charge-based microelectronics, such as smartphones and laptops, to their physical limits. Spintronics—technology that uses electron spin rather than charge—avoids the limits of ...
Emperor penguins listed as endangered species: IUCN
The emperor penguin has been declared an endangered species as climate change pushes the icon of Antarctica a step closer to extinction, the global authority on threatened wildlife announced on Thursday.
New study reveals the depth of children's nuclear anxiety
As geopolitical tensions rise globally, a new study published in Critical Studies on Security warns that the shadow of the "mushroom cloud" is weighing heavily on the next generation. The research paper, titled "Mushrooms, ...
Traveling tropical disturbance increases rainfall across the Hawaiian Islands
A new study by researchers at the University of Hawai'i at Mānoa revealed that the Madden–Julian Oscillation (MJO), a large-scale tropical disturbance that travels eastward through the tropics every 30–60 days, significantly ...
New solar telescope turns sunspots into exoplanet-finding weapons
The Paranal solar ESPRESSO Telescope (PoET), installed at the European Southern Observatory's (ESO's) Paranal site in Chile, has made its first observations. The telescope will work with ESO's ESPRESSO instrument to study ...
New Hampshire ski industry concerned about climate change
New research out of the University of New Hampshire reveals that the majority of New Hampshire ski industry professionals are concerned about the effects of global warming on the ski industry, which generates close to $278.8 ...
Preventing the spread of a deadly virus to Pennsylvania's rabbits and hares
Rabbit hemorrhagic disease virus type 2 is a terrible way for any animal to die, especially creatures as gentle as these. Highly contagious and lethal, it threatens wild and domestic rabbits. First detected in the United ...
Scientists discover the antibacterial potential of 'hero' Korean skincare ingredient
Fans of Korean skincare may be familiar with "hero ingredient" Madecassic acid for its skin-soothing properties, but researchers at Kent have revealed its greater potential for use in the fight against antibiotic resistance.
