Astronomy
From stellar engines to Dyson bubbles, alien megastructures could hold themselves together under the right conditions
New theoretical models have strengthened the case that immense, energy-harvesting structures orbiting their host stars could exist in principle in distant stellar systems. With the right engineering precautions, calculations ...
12 hours ago
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Materials Science
'Goldilocks size' rhodium clusters advance reusable heterogeneous catalysts for hydroformylation
Recent research has demonstrated that a rhodium (Rh) cluster of an optimal, intermediate size—neither too small nor too large—exhibits the highest catalytic activity in hydroformylation reactions. Similar to the concept ...
1 hour ago
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Protein 'dark energy' provides insight into form vs. function in structure
Astronomers use the term dark energy to refer to energy in the universe that is unaccounted for by ordinary matter but necessary to explain cosmology. Astronomy, however, isn't the only field with missing energy. Rice University ...
Evolution
6 hours ago
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10
The Great Mongolian Road: Japanese Imperial Army maps reveal first detailed documentation
In a study published in the Journal of Historical Geography, researchers Dr. Chris McCarthy and his colleagues have documented, for the first time, the Great Mongolian Road, a major yet understudied east-west caravan route ...
Milky Way is embedded in a 'large-scale sheet' of dark matter, which explains motions of nearby galaxies
Computer simulations carried out by astronomers from the University of Groningen in collaboration with researchers from Germany, France and Sweden show that most of the (dark) matter beyond the Local Group of galaxies (which ...
Astronomy
7 hours ago
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NASA's Juno measures thickness of Europa's ice shell
Data from NASA's Juno mission has provided new insights into the thickness and subsurface structure of the icy shell encasing Jupiter's moon Europa. Using the spacecraft's Microwave Radiometer (MWR), mission scientists determined ...
Astrobiology
6 hours ago
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3D material mimics graphene's electron flow for green computing
University of Liverpool researchers have discovered a way to host some of the most significant properties of graphene in a three-dimensional (3D) material, potentially removing the hurdles for these properties to be used ...
Condensed Matter
6 hours ago
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33
America's measles problem: Mapping vaccination coverage gaps
Icahn School of Medicine at Mount Sinai and Boston Children's Hospital researchers are issuing a warning about a measles resurgence in the U.S. occurring despite the availability of a safe and effective measles-mumps-rubella ...
Molecular seal strengthens perovskite solar cells, while pushing efficiency to 26.6%
Perovskite solar cells (PSCs) are known for their impressive ability to convert sunlight into energy, their low production costs and their lightweight design. They may well be the rising stars of renewable energy, but they ...
Foundation AI models trained on physics, not words, are driving scientific discovery
While popular AI models such as ChatGPT are trained on language or photographs, new models created by researchers from the Polymathic AI collaboration are trained using real scientific datasets. The models are already using ...
Computer Sciences
7 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
Antibody-producing immune cells can help shape cancer immunotherapy
Scientists develop first gene-editing treatment for skin conditions
3D chip platform enables animal-free testing in cancer research
Leftover COVID spike fragments kill crucial immune cells but are less deadly in omicron
Combined patient and clinician nudges increased flu vaccination rates by 28%
Health care workers in war zones: How the built environment actively reshapes trauma
Key to human intelligence lies in how brain networks work together, neuroimaging study suggests
Magnetic pulses to the brain emerge as low-cost lifeline for depression
Pre-fab psychological diagnoses: Clinicians confront a new trend
Tech Xplore
Low-cost system turns smartphones into emergency radiation detectors
New method helps explain how solar cells can repair themselves using sunlight
'TransMiter' technique transplants learned knowledge between AI models
Amazon is closing its Fresh grocery and Go convenience stores
Ikea is testing a digital Roblox experience
Climate-tailored housing designs cut energy use across Japan's diverse regions
Microsoft unveils latest AI chip to reduce reliance on Nvidia
Micron builds $24 bn Singapore chip fab as AI demand soars
Self-powered electronics: Organic semiconductors achieve both light emission and energy harvesting
Scientists grow specialized nerve cells that degenerate in ALS and are damaged in spinal cord injury
Researchers have developed a way to grow a highly specialized subset of brain nerve cells that are involved in motor neuron disease and damaged in spinal injuries. Their study, published today in eLife, presents fundamental ...
Medical Xpress
3 hours ago
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13
Thinking on different wavelengths: New approach to circuit design introduces next-level quantum computing
Quantum computing represents a potential breakthrough technology that could far surpass the technical limitations of modern-day computing systems for some tasks. However, putting together practical, large-scale quantum computers ...
Optics & Photonics
7 hours ago
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Raman sensors with push-pull alkyne tags amplify weak signals to track cell chemistry
Seeing chemistry unfold inside living cells is one of the biggest challenges of modern bioimaging. Raman microscopy offers a powerful way to meet this challenge by reading the unique vibrational signatures of molecules. However, ...
Biochemistry
7 hours ago
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Finnish birdwatchers' app data fuel world's most accurate model for predicting bird occurrence
New cutting-edge research, led by Academy Professor Otso Ovaskainen of the University of Jyväskylä and David Dunson at Duke University, combines citizen bird observations with artificial intelligence and the computing power ...
Ecology
7 hours ago
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16 years of brain scans reveal the cerebellum's crucial role in human language
The cerebellum, often called the little brain, plays a much bigger role in language processing than once believed. Located at the base of the brain, the cerebellum has long been thought to be mainly responsible for motor ...
Ochre used in ancient graves in Finland reflects identity of deceased
Roughly 5,500–6,000 years ago, the area including present-day Finland was inhabited by hunter-fisher-gatherers living in small village-like clusters. Traveling via waterways, these people established permanent fishing systems, ...
Archaeology
6 hours ago
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Novel nanomaterial uses oxidative stress to kill cancer cells
Scientists at Oregon State University have developed a new nanomaterial that triggers a pair of chemical reactions inside cancer cells, killing the cells via oxidative stress while leaving healthy tissues alone. The study ...
Bio & Medicine
6 hours ago
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A specific immune system protein may drive antibiotic tolerance
If you have had strep throat or an ear infection, there's a good chance you received amoxicillin or penicillin to effectively kill the troublesome bacteria. These drugs, which belong to a broad group of antibiotics called ...
Cell & Microbiology
6 hours ago
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Antibody-producing immune cells can help shape cancer immunotherapy
Scientists at the Icahn School of Medicine at Mount Sinai have identified an important immune response that helps explain why some cancer patients benefit from immunotherapy while others do not.
Medical Xpress
3 hours ago
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Higher water levels could turn cultivated peatland in the North into a CO₂ sink
In its natural state, peatland is one of the largest carbon stores in nature. This is because the soil is so waterlogged and low in oxygen that dead plant material breaks down very slowly. The plants do not fully decompose ...
Earth Sciences
6 hours ago
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Climate change made Australian heat wave 5 times more likely
Human-induced climate change made the intense early January heat wave in Australia five times more likely, according to a new analysis by World Weather Attribution.
Asteroid 2024 YR4 has a 4% chance of hitting the moon. Here's why that's a scientific goldmine
There's a bright side to every situation. In 2032, the moon itself might have a particularly bright side if it is blasted by a 60-meter-wide asteroid. The chances of such an event are still relatively small (only around 4%) ...
Government funding for AI jobs did not produce more jobs, research finds
Artificial intelligence is reshaping how companies operate, but it may not translate into more job creation, according to new research.
NASA's Artemis II crewed mission to the moon shows how US space strategy has changed since Apollo
When Apollo 13 looped around the moon in April 1970, more than 40 million people around the world watched the United States recover from a potential catastrophe. An oxygen tank explosion turned a planned landing into an urgent ...
Engineering and the quest for peace: Experts challenge profession to move beyond weapons and defense
Engineering can create weapons systems or systems for defense and well-being. But can engineering create peace? In a Perspective, Guru Madhavan and colleagues propose an expansive mode of engineering practice that seeks to ...
Brain enzyme shapes branched sugar chains linked to nerve health
Gifu University scientists have uncovered how a brain-specific enzyme reshapes protein-linked sugar chains to facilitate the formation of complex glycans essential for normal brain function. These insights could inform future ...
Chicago's Brookfield Zoo leads effort to protect polar bears as Trump opens Arctic refuge to oil drilling
Shortly after her arrival last fall, Amelia Gray met Hudson, and the pair hit it off immediately. They touched their noses together in greeting and chuffed—a soft, breathy, snorting sound that signals affection or reassurance. ...
Q&A: Within 5 years, AI could independently propose and test scientific hypotheses
EPFL professor Robert West and invited professor Ágnes Horvát discuss how the rise of AI is transforming the dissemination and production of scientific knowledge.
Oversalting your sidewalk or driveway harms local streams and potentially even your drinking water
Snow has returned to the Philadelphia region, and along with it the white residues on streets and sidewalks that result from the over-application of deicers such as sodium chloride, or rock salt, as well as more modern salt ...
The HWO must be picometer perfect to observe Earth 2.0
Lately we've been reporting about a series of studies on the Habitable Worlds Observatory (HWO), NASA's flagship telescope mission for the 2040s. These studies have looked at the type of data they need to collect, and what ...
Review finds digital tools alone do not improve finances without motivation and agency
Digital payments, online banking, investment apps, and automated credit assessments have become routine parts of our everyday financial lives. A study in the International Journal of Business Information Systems argues that, ...
Green H₂ from water splitting via unique two-dimensional photocatalysts
Over the past 20 years, green hydrogen produced using sunlight has gained considerable attention as a promising pathway toward a low-carbon future. Among the various solar-driven methods for H2 production, the photocatalytic ...
Communicating about quantum: Explanations improve understanding but reduce confidence
Quantum technology has the potential to transform society. But how can you effectively inform the public about such complex and enigmatic science and technology? Ph.D. candidate Aletta Meinsma explored this.
A peek inside the clockwork that drives embryonic body patterning
The architecture of the body is not encoded as a formal blueprint; rather, it's the tightly orchestrated activation and deactivation of genes that coordinate body development. Many of these processes are not fully understood, ...
Mountain snow forecasting tool aims to refine water availability predictions
A new tool developed by Washington State University researchers could someday provide daily or weekly forecasts of water availability in the mountains similar to a weather forecast that agencies could use for important water ...
Shaky numbers on unlicensed online gambling may mislead policymakers
Estimates of unlicensed online gambling in the Nordic countries vary widely and are often based on non-transparent data sources. This is shown by a new scoping review published in PLOS ONE. Led by researchers from, among ...
What to know about America's colossal winter storm
A deep freeze is gripping large swaths of the United States after a monster storm killed dozens of people from the Northeast to the Deep South, knocked out power to hundreds of thousands and sent air travel into chaos.
How to assess microplastics in our bodies? Scientists have a plan
How many tiny pieces of plastic are currently inside your body? A series of headline-grabbing studies in the last few years have claimed to have found microplastics throughout human bodies—inside blood, organs and even ...
'Doomsday Clock' moves closer to midnight over threats from nuclear weapons, climate change and AI
Earth is closer than it's ever been to destruction as Russia, China, the U.S. and other countries become "increasingly aggressive, adversarial, and nationalistic," a science-oriented advocacy group said Tuesday and advanced ...
Mountain lion spotted in San Francisco, officials working to capture it
A young mountain lion spotted roaming the streets of San Francisco has been located near a park where wildlife officials are trying to capture it, authorities said Tuesday.
