Astronomy
Capturing the cosmic 'drift' before a star is born
Stars like our sun are formed from the collapse of stellar objects called prestellar cores, cold and dense concentrations of gas and dust held together by gravity. While many questions remain about the exact mechanisms of ...
3 hours ago
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Earth Sciences
Volcanoes and wildfires are adding water vapor to the stratosphere, raising climate concerns
Moderate volcanic eruptions and extreme wildfires since 2005 have led to an increase in the amount of water vapor in the stratosphere, a layer of Earth's atmosphere above the weather-filled troposphere. That's potentially ...
18 hours ago
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Next‑generation membranes can refine crude oil using under half the energy of distillation
Oil refining is necessary for transforming raw, unusable crude oil into valuable goods like gasoline, diesel, jet fuel and petrochemical feedstocks. However, the usual distillation process is energy-intensive, spurring researchers ...
New catalyst could make mixed plastic waste recyclable in one chemical step
Ever wondered where your plastics end up? A PET bottle can be washed, shredded, melted and given a second life. But most everyday items—toys, mattresses, car seats—are made from different plastics that refuse to mix when ...
Polymers
13 hours ago
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19
Ancient rocks reveal Earth's past warm periods were cooler than thought
Earth's temperature has been much cooler in the past than previously thought, meaning it could be moving toward the warmest it's ever been.
Earth Sciences
14 hours ago
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24
Deep inside a desert rock shelter, archaeologists uncovered an Ice Age mystery that refused to stay local for long
A remarkable discovery has been made in an Upper Paleolithic cave in the heart of Israel's rugged Negev Desert. Years after they were last worn, archaeologists dug up fragile seashell beads, still holding specks of ochre ...
Softening aging ovaries could help extend fertility as women get older
Fertility declines as women get older for many reasons, such as a drop in egg quality, decreased follicle numbers and hardening of ovarian tissues. That's a problem for would-be mothers in many countries who prefer to have ...
Brighter days linked to better sleep, study finds
A new study led by University of Manchester scientists has revealed that brighter, more consistent daytime light exposure could be key to earlier bedtimes, better-quality sleep and deeper rest. The research throws new light ...
Medical Xpress
2 hours ago
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Birdlike robot swims underwater, then flaps into flight without paddling
Loons, gulls, puffins and petrels are some of the 100 species of birds that can both fly and swim. These diving birds can plunge into water to swim after prey, and leap back into the air to fly away.
Robotics
17 hours ago
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Evidence reveals that the language of thought is not natural language
Some people find it useful to talk through their problems—but language isn't necessary for logical reasoning, cognitive neuroscientists at MIT's McGovern Institute for Brain Research say.
Medical Xpress
19 hours 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
Meet Biomni—an AI-powered biomedical co-scientist
Perovskite triple-junction solar cells reach 27.3% efficiency with record 770-hour stability
AI agent tests whether machines can speak for patients at life's end
Researchers develop a new way to build molecular 'ladders' for organic electronics
To defend your software, first teach AI to break it
New federated learning algorithm enables private, robust, and fast AI development
Automated 2D semiconductor screening could speed low-power AI chip development
Is recursive self‑improvement the dawning of AI superintelligence?
AI notetakers promise easy meeting recaps, but some professionals question their use
Almost half of Australian adults have used generative AI
Researchers use Geoguessr champion to test geolocation accuracy in VLMs
US crackdown on top AI fuels open-source surge
High‑altitude mouse found near 7,000 meters may redefine mammal survival limits
A tiny mouse living nearly 7,000 meters (23,000 feet) above sea level in the Andes is helping scientists rethink the limits of life on Earth. The animal, a leaf-eared mouse, is the focus of a new international study co-authored ...
Evolution
17 hours ago
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Carbon–bismuth bonds reveal that relativity blurs the textbook line between sigma and pi bonds
Brown University chemists have provided direct evidence that upends the textbook explanation of how triple chemical bonds work in heavy elements. In a study published in Science, the researchers show evidence that when atomic ...
Materials Science
12 hours ago
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AI identifies new particle models that may explain neutrinos' tiny mass
Physicists at the University of California, Irvine, have developed an artificial intelligence system that can autonomously design theoretical physics models, a task traditionally carried out by human theorists. The approach ...
General Physics
14 hours ago
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24
Quantum optics may turn this rare visual phenomenon into an eye test
Modern life depends on quantum physics. It makes technologies such as GPS navigation, MRI scanners and computer chips possible. Now, the same science may also lead to a new way to test the health of our eyes. A University ...
Optics & Photonics
13 hours ago
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7
Krill buildup could slow fin whale filter-feeding unless baleen stays 15% clear
Usually there's safety in numbers, but it doesn't always work that way. Fin whales (Balaenoptera physalus) filter-feed on immense shoals of krill, engulfing colossal mouthfuls of water containing up to 144 kg of the crustaceans. ...
Plants & Animals
13 hours ago
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The real Moana story: Why the Polynesians suddenly sailed east
Major drought forced people to migrate across the Pacific beyond Samoa and Tonga and toward the Americas, scientists have discovered. With the new live-action "Moana" film hitting cinemas, a team of geographers and climate ...
Archaeology
14 hours ago
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Medical AI may look less biased on paper but not in practice, new study finds
Large language models (LLMs) are only as good as the data they learn from. If their training data contains social biases, the models may unintentionally repeat those biases in their responses. As their use increases with ...
Programmable light simulates quantum matter across 300 processes without bigger circuits
A team of researchers at the University of Ottawa and its Nexus for Quantum Technologies Institute, in collaboration with researchers from Federico II University in Italy, has developed a programmable quantum simulator that ...
Quantum Physics
13 hours ago
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Observing oscillations, flares and tornados on the sun
For six and a half days in July 2024, the balloon-borne solar observatory Sunrise III kept its gaze fixed on the sun. The stratospheric flight, which stretched from the northernmost tip of Sweden to Canada's Northwest Territories, ...
Astronomy
14 hours ago
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11
Psychedelic drug screen in mice may overlook stress and brain changes
Over the past decades, some medical researchers and neuroscientists have been exploring the possible therapeutic effects of psychedelic compounds, such as lysergic acid diethylamide (LSD) and psilocybin. These are substances ...
Study underscores barriers for male survivor support
Male survivors of intimate partner violence are less likely to seek help than female survivors, according to new research from Michigan State University's School of Social Work. As a result, these cases of intimate partner ...
US pushes for weaker truck pollution rules
President Donald Trump's administration on Thursday moved to loosen truck pollution regulations put in place by his predecessor, Joe Biden, in its latest environmental rollback benefiting makers of fossil fuel-burning vehicles.
H5 bird flu detected in Australian seabird for first time
Scientists have detected the highly contagious H5 bird flu in an Australian seabird for the first time, the government said Friday.
Wally Funk, aviation pioneer who was the oldest woman to travel into space, dies at 87
Wally Funk, an aviation pioneer who was the oldest woman to launch into space, has died. She was 87.
Q&A: Examining the Global South's call for environmental justice amid expanding technology
Digital technologies—from artificial intelligence to smartphones and data centers—are often described as "clean" innovations. Yet every device depends on minerals, electricity, labor and global supply chains, raising important ...
The Matua people: Sounds and rituals strengthen cross-border sense of community
Professor Carola Lorea of the University of Tübingen's Department of Social and Cultural Anthropology has published a comprehensive academic study on the Matua, a community of 50 million people scattered across India, Bangladesh ...
From The Godfather to Middlemarch: 8 of the most faithful adaptations ever
Adapting canonical literary classics into cinema is an inherently difficult task, as it requires walking a razor's edge between remaining faithful to the text and translating it into another medium.
Parents direct more threats toward school administrators than teachers
In K–12 schools across the country, administrators are tasked with keeping everyone safe. New research shows they may be the most in need of protection.
Water worries: The dangers of dehydration in pets
The summer heat can be unrelenting, sending pets who usually run straight to their owners after being outside in search of their water bowls instead. Rehydrating after playtime is important, so if a pet does not have proper ...
Why employee AI adoption isn't one-size-fits-all
As artificial intelligence becomes more deeply embedded in everyday life and work, organizations are investing heavily in tools and employee training. But new research from Texas A&M University suggests a one-size-fits-all ...
Pre-cooked seafood-based meals can absorb chemical contaminants during packaging and processing
Ready meals containing fish and seafood can expose consumers to chemical contaminants that are present in the environment or introduced during processing and packaging. A study by the Universitat Rovira i Virgili (URV) has, ...
From bursts to creep: Rewriting the story of mud volcano flows
Mud volcanoes are often pictured as dramatic geological phenomena featuring the sudden eruption of large volumes of fiery mud in short, powerful bursts. By examining recent activity at the Lokbatan mud volcano in Azerbaijan, ...
Animal tracking overlooks biodiversity hotspots, with 95% of studies in well-funded countries
A recent study reveals geographic biases in how aquatic animals have been tracked and researched across the globe, with a preference toward politically stable, English-speaking countries with high conservation funding. Researchers ...
Certifying third-party repairs retains customers, signals utility left in goods
Certifying a third-party repair service can help companies retain customers by signaling that there's value, or "unused utility," left in broken products, according to a team led by Penn State researchers. The researchers, ...
Novel marine monitoring network could help improve environmental protections, shipping regulations
A single monitoring network developed by McGill, Natural Resources Canada, Université du Québec à Montréal (UQAM) and Dalhousie University researchers can simultaneously track earthquakes, water behavior, human activity and ...
A 'smart ruler' could help swarms of space telescopes image exoplanets
We've talked plenty of times here about the infeasibility of launching a mirror big enough to directly image exoplanets using current rocket fairings—at least as long as we're not sending them 500-plus AU away to a gravitational ...
Making scientific knowledge free for all
Scientific research publishing is a particularly lucrative industry. The most recent estimates suggest that it generates around 19 billion U.S. dollars (or 16.67 billion euros) in annual turnover, with margins of around 40%. ...
Hummingbirds and pineapples: Why this ancient relationship hits the evolutionary sweetspot
High above the rainforest floor, tiny ponds form in the leaves of plants perched on tree branches. Frogs breed in these ponds, alongside insects, microbes and even tiny crustaceans, creating miniature ecosystems suspended ...
Earth's deep memory is thawing with the Arctic permafrost, degrading records of our ancient world
Permafrost usually hits the news as a hazard, a planetary risk. When this ice-rich ground thaws, it damages roads and building foundations. It drains lakes and tips trees into drunken forests. It releases greenhouse gases ...
The secret life of roots: How plants fight back against salty soils
To people, salt is a kitchen staple. But to crops, too much of it can be devastating. Across coastal regions and irrigated agricultural land, salt is accumulating in soils, making it harder for plants to absorb water and ...
