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 ...
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Ecology
Seagrass meadows could help nourish millions, new study finds
Seagrass meadows play a largely overlooked role in providing nutrition for coastal communities, a new study published in Cell Reports Sustainability has found. The research, led by scientists at Project Seagrass and Stockholm ...
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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 ...
Unraveling the glass-like nature of epithelial tissues
In a new study, researchers at the Indian Institute of Science (IISc) have resolved a longstanding mystery by showing how epithelial tissues exhibit slow-moving, glass-like behavior despite their fast-paced biological activity. ...
Cell & Microbiology
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Newborn stars preserve organic-rich gas within ancient supernova debris
For the first time, astronomers have discovered stellar cocoons rich in complex organic molecules within a supernova remnant. A research team from Niigata University, Gifu University, RIKEN and Kyoto University in Japan used ...
Astronomy
1 hour ago
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Heat waves push tropical forests past photosynthesis limits across 57 million hectares
As heat waves continue one after another, we are feeling their effects on our own bodies: It becomes harder for us to function normally. Trees also have their limits when temperatures are too high. Above a certain critical ...
Ecology
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Low-oxygen treatment helped diseased mice live three times longer. Could humans benefit?
Oxygen isn't always a good thing. Of course, people—and most organisms—cannot live without it. But oxygen can also be quite toxic and lead to profound health consequences.
Medical Xpress
30 minutes ago
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New experimental approach may help overcome drug resistance in deadly brain cancer
Scientists have identified a promising new strategy to tackle one of the biggest obstacles in treating glioblastoma, one of the most aggressive forms of brain cancer: resistance to chemotherapy. The study shows that an experimental ...
Medical Xpress
50 minutes ago
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New mechanism explains how nerve cells form one long output branch
DZNE researchers have uncovered a mechanism that determines why a neuron usually forms a single, long extension called an "axon"—a phenomenon that is fundamental to how our brain functions. Contrary to the common view that ...
Medical Xpress
10 minutes 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
1 hour 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
Is recursive self‑improvement the dawning of AI superintelligence?
AI agent tests whether machines can speak for patients at life's end
New federated learning algorithm enables private, robust, and fast AI development
Perovskite triple-junction solar cells reach 27.3% efficiency with record 770-hour stability
Researchers develop a new way to build molecular 'ladders' for organic electronics
Automated 2D semiconductor screening could speed low-power AI chip development
US crackdown on top AI fuels open-source surge
Almost half of Australian adults have used generative AI
Researchers use Geoguessr champion to test geolocation accuracy in VLMs
AI memory bottleneck may ease as ultrathin chip stacks quadruple high-bandwidth memory density
Light-powered chip harvests energy, computes and senses chemicals in one stack
Rust-to-iron cycle may unlock long-term storage for renewable energy
Small transistor sharpens low-cost thermal cameras without extreme cooling
OpenAI to launch new model after US freeze
Elastic layer lets sulfide solid-state batteries run longer with less pressure
New AI research improves how computers interpret the world
Sand could be key to safer, stronger structures
How cheap clean energy can spark a fairer energy sector
Hidden pathway drives COVID-19 infection, triggers damaging inflammation in the lungs
New research has uncovered a hidden pathway that allows COVID-19 to infect the immune system and trigger damaging inflammation in the lungs. The study by La Trobe University and WEHI researchers found SARS-CoV-2, the virus ...
Medical Xpress
1 hour ago
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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 ...
Fossils found decades ago reveal extinct 3.5 million-year-old giant salamander species
In the late 1990s in the Ajimu region of Japan's Oita Prefecture, researchers discovered three fossilized vertebrae belonging to the Cryptobranchidae family of giant salamanders. These were embedded in the Tsubusugawa Formation, ...
Paleontology & Fossils
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AI agent tests whether machines can speak for patients at life's end
Across aging societies, a gap is widening: People live longer, but families grow smaller. A rising number could reach the end of life, unable to make their own medical decisions and with no next of kin or trusted friend to ...
Machine learning & AI
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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 ...
Fish DNA and 10,000 crystals rewrite Colorado River's Grand Canyon origin story
For more than 150 years, scientists have debated when and how the Colorado River first carved its way through the Grand Canyon. Now, a new study led by researchers at the University of New Mexico offers evidence that the ...
Earth Sciences
1 hour ago
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Moderate geomagnetic storm pushed 20 amps into New Zealand grid while alarms stayed quiet
June 2015's geomagnetic storm barely registered on satellite alarms, yet it quietly sent a steady 20-ampere current into New Zealand's power grid for more than an hour. While satellite dashboards remained calm, ground sensors ...
Why some people are more bothered by low-frequency sounds
Some people are more sensitive to low-frequency noise, such as from ventilation systems, heat pumps, wind turbines and transformers. Why is that?
Medical Xpress
2 hours ago
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Perovskite triple-junction solar cells reach 27.3% efficiency with record 770-hour stability
Perovskite semiconductors efficiently convert sunlight into electrical energy; they are also inexpensive and extremely lightweight. A team at HZB has developed a triple-junction solar cell comprising different perovskite ...
Electronics & Semiconductors
2 hours ago
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The color of penguin poo: Satellites reveal global warming's impact on an iconic polar species
Scientists from a handful of universities across the country have made innovative use of satellite images from NASA to determine the diet of Antarctic Adélie penguins across the continent by studying their icy feces with ...
Ecology
2 hours ago
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Study questions growing international trade in critically endangered sand tiger sharks
In a new study led by University of Delaware researchers Aaron Carlisle and Ed Hale, researchers point to concerns in the international trade of sand tiger sharks, a critically endangered shark species globally, for display ...
One in four managers withholds feedback from those they supervise, even when the news is positive
Performance feedback is critical for supporting career and education decisions, but in a new study published in Management Science, a research team from the University of Portsmouth, the University of Exeter and York University ...
Mild enzymatic method gently refines algae oil for nutrition products
Algae oil is increasingly used as a sustainable source of important nutrients, including polyunsaturated fatty acids that support human health and development. One important example is arachidonic acid, or ARA, which is used ...
Honesty may be more efficient than incentives in organizations, new research finds
For decades, economic theory has often treated people as if they will do the right thing in organizations only when incentives, such as performance pay, force them to. But does this miss the fact that many people also care ...
Pregnant women may avoid child protection out of fear and mistrust
Pregnant women who become involved with child protection services often experience fear, mistrust and stigma, leading some to avoid health and support services altogether, new Griffith University research has found. Ph.D. ...
El Nino powers up as forecasters predict historic strength and a rainier winter for the US South
An intensifying El Niño, nature's heat-releasing thermostat that spikes global temperatures, is heading to historically strong levels, the U.S. National Oceanic and Atmospheric Administration said Thursday.
Sustainability reporting no longer shields companies from criticism
In the past few years, new rules from governments across Europe have required companies to increase their reporting on their sustainability efforts. Since then, stakeholders such as NGOs and journalists have been able to ...
Harmful ozone may have reached two-thirds of EU residents during record June heat wave
Two-thirds of the European Union's population may have been exposed to harmful levels of ozone pollution during last month's record-breaking heat wave, a report exclusively shared with AFP warned Thursday.
Camera traps reveal Chornobyl wildlife changed routines during Russian occupation
An international research team has for the first time investigated how an unfolding armed conflict influenced the behavior of wild animals. Using camera traps, the scientists documented how the Russian occupation of the Chornobyl ...
What if our homes could move?
Imagine living in a home that you could simply pick up and move when extreme weather strikes. Instead of bricks and mortar, it's made from materials sourced from the local environment and, if weather conditions change, you ...
STING protein: Study finds new ways for the body to activate and possibly control inflammation
Understanding inflammation—and, above all, how to regulate it—is one of the great medical challenges of modern medicine. Its role as the first line of defense is crucial. It occurs when the presence of infectious agents triggers ...
The untapped potential of bowel cancer samples to boost understanding of other diseases
About half a million samples are collected from over-50s in Scotland each year in a highly successful NHS program that significantly boosts early cancer detection. But only a tiny amount of the sent-in poo—mixed with fluid—is ...
Researchers develop low-cost AI tool to help cities map urban tree canopy
As a heat dome drives dangerous temperatures across much of the United States and renews concerns about extreme heat, USC researchers have developed a new, freely available AI tool that could help cities better understand ...
China's pollution declines came at a cost
More than 20 years ago, the Chinese government instituted the Scientific Outlook on Development (SOD) program, tying local leaders' job performance evaluations to environmental quality improvements. More than 350 river monitoring ...
Uncovering the secrets of the basking shark's bizarre skin
New research reveals the unusual shape, size and pattern of the dermal denticles that cover basking sharks—thought to be unique to this species. Researchers propose that the shape and arrangement of the skin's scales protect ...
40.7 C heat shatters Barcelona record amid Spain's latest heat wave
Barcelona registered a maximum temperature of 40.7°C (105.3°F) on Wednesday, its highest figure in 112 years of records, weather agencies said as another heat wave struck Spain.
Western Europe records its hottest June as heat waves surge: EU monitor
Western Europe this year experienced its hottest June on record as a searing heat wave swept across a continent facing increasingly frequent and intense heat extremes, the European Union's climate monitor said Thursday.
Taiwan warns of 'destructive' winds as typhoon nears
Taiwan's weather forecaster warned on Thursday of "destructive" winds as the biggest typhoon in years swept toward the island after pounding U.S. Pacific territories.
Artemis II astronauts reunite with their moonship 3 months after record-breaking flight
The Artemis II astronauts reunited with their capsule Wednesday three months after flying around the moon and traveling deeper into space than anyone in history.
Varroa risk to Tasmanian crop pollination
A study by the Tasmanian Institute of Agriculture (TIA) has highlighted the impact Varroa mites will have on crop pollination in Tasmania if the parasitic mites become established in the state. The study was prompted by the ...
