Molecular & Computational biology
First 3D views explain how primate cone pigments distinguish red from green
Human color vision depends on three types of cone cells in the retina. Although all three contain the same light-absorbing molecule, 11-cis-retinal, differences in the surrounding protein determine sensitivity to red, green ...
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Optics & Photonics
Simple semiconductor films break light's front-back symmetry
Light typically interacts with a material the same way whether it enters through the front or the back—like polarized sunglasses that work the same from either side. Cornell researchers have demonstrated a simple route to ...
3 minutes ago
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Fossil footprints reveal body size and group dynamics of 1.4-million-year-old human relative
Ancient footprints preserved along the shores of Kenya's Lake Turkana are reshaping scientists' understanding of one of humanity's extinct relatives. A paper published in Proceedings of the National Academy of Sciences describes ...
Paleontology & Fossils
1 hour ago
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Industrial poultry farming is accelerating the spread of a major foodborne disease
A new study by the Ineos Oxford Institute for Antimicrobial Research at the University of Oxford reveals that industrial poultry farming has led to a more than 100-fold increase in the movement of Campylobacter, allowing ...
Veterinary medicine
1 hour ago
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AI finds tiny gene editor changes that reduce unintended DNA edits
Gene editing is a highly precise and powerful technology that allows scientists to insert, delete, modify or replace DNA bases in living organisms. It has a variety of uses, including correcting disease-causing mutations ...
Hidden DNA copying may give bacteria a faster route to antibiotic resistance
The dangers of antibiotic overuse have become increasingly clear in recent decades. Excessive use accelerates the evolution of bacterial resistance to antibiotics, raising the alarming prospect of infections that no longer ...
Cell & Microbiology
1 hour ago
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Silver diamine fluoride treatment could halt cavities without shots, drilling or sedation
Every year, untreated tooth decay sends thousands of young U.S. children to emergency departments for dental problems doctors can't treat. Many eventually undergo surgery under general anesthesia, while others endure pain ...
Medical Xpress
1 hour ago
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Melt it, spin it, use it again. This new recyclable yarn is as strong and stretchy as spandex-based yarns
After a closet cleanout, what options are there for recycling our old threads? Not many. Apart from bringing used clothes to a donation center, there is no process for recycling textiles like there is for bottles and cans. ...
Engineering
41 minutes ago
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Smart wound dressing speeds up healing by triggering body's own repair signals
A bioinspired material developed by scientists at Imperial College London accelerates wound healing and the repair of human skin. The material captures the body's own healing proteins, releasing them only when repair cells ...
Medical Xpress
43 minutes ago
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Sweat-powered fingertip patch accurately monitors Parkinson's medication
Engineers and neuroscientists at the University of California San Diego have developed a soft, wearable fingertip patch that continuously tracks a patient's Parkinson's disease medication levels through sweat. The device ...
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
AI-powered method enables instant ultrasound imaging with a single fixed sensor
New tool identifies the sources of fake videos
Conceptual framework for general embodied intelligence
Are gas turbines ready for the hydrogen economy?
Low-temperature technique grows crystal-aligned semiconductor films
AI chatbots need cultural awareness to earn trust
Tech giants launch open-source AI security alliance after attack
Large-scale crystals could revolutionize future OLED displays
How next‑generation photovoltaics could contribute to electricity storage
New AI tools let readers talk to books
New York's noisy food carts go electric in clean air trial
Wearable patch vibrates when it detects environmental hazards
Engineered gut bacteria show promise against pancreatic cancer
Cancer immunotherapies have transformed treatment for many cancers, but pancreatic cancer remains especially difficult to treat. One major reason is that pancreatic tumors often create a "cold" tumor microenvironment, where ...
Medical Xpress
1 hour ago
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Inspired by how children learn, new AI framework learns to theorize the world from observations
A KAIST research team has developed a next-generation world model, an internal model an AI builds to understand and predict the world, that learns executable theories from observation alone.
Hi Tech & Innovation
2 hours ago
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Astronomers identify one of the universe's rarest black hole events
A team of astronomers at the University of North Carolina at Chapel Hill has observed an extremely rare "wandering" black hole located tens of thousands of light-years from the center of its galaxy. This finding could reshape ...
Astronomy
2 hours ago
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Physicists capture first direct evidence of a Floquet topological state
A new study published in Nature Physics reports the first direct experimental evidence of a Floquet topological state, a novel light-induced phase of matter that, until now, has existed only on paper and in simulations. Topological ...
Highly tunable electro-optic isolator achieves one-way light flow on photonic chips
Integrated photonic devices—tiny circuits that use light instead of electrons—are becoming increasingly important for scalable photonics technologies and high-bandwidth communications. They are particularly valuable for managing ...
Condensed Matter
2 hours ago
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Extragalactic positron-annihilation hotspots might mean Milky Way produces far more positrons than thought
Positrons—the antimatter counterpart of electrons—are created in high-energy cosmic processes. When normal matter meets its antimatter counterpart, they annihilate, or vanish, and produce a distinctive 511 keV gamma-ray signal. ...
Scientists decipher how T cells sense enemies—such as cancer—at point of contact
Every encounter between a T cell and a potential target—especially when that target is a developing tumor—begins with a rapid series of molecular decisions. Within seconds, the immune cell must determine whether to launch ...
How flying together helps Andean condors save energy
Animals are constantly moving to find food, water, suitable habitats, mates and safe places to rest. Because moving requires substantial energy, animals often rely on various biological and behavioral strategies to reduce ...
Biomolecular condensates reveal surprising activity as catalysts
Biomolecular condensates are ubiquitous in living cells, including bacteria, viruses, plants and mammalian systems. These membraneless bodies, or molecular communities made up of DNA, RNA and proteins, are where molecules ...
Biochemistry
2 hours ago
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AI underwater robots can now track diver stress via exhaled bubbles
University of Minnesota Twin Cities researchers have developed a first-of-its-kind AI system that allows underwater companion robots to monitor a diver's health in real time simply by "watching" their exhaled bubbles.
Robotics
2 hours ago
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Researchers identify useful tool for diagnosing endocrine dysfunction in sick foals
Researchers have found that an arginine vasopressin stimulation (AVP) test offers a reliable way to assess endocrine function in sick foals. The work, published in the Journal of Veterinary Internal Medicine, could lead to ...
Satellite images could help target sustainable farming support for small fields
For decades, satellites have helped scientists observe Earth's changing landscapes. Now, they could also help answer one of agriculture's most pressing questions: How can the world produce more food while reducing its environmental ...
Soil carbon effectively measured by new, efficient AI model
A new computer model is one of the first artificial intelligence tools to advance scientific discovery in agriculture and biogeochemistry and is 50 times more efficient than its predecessors, according to a study that offers ...
UN lists South Sudan antelope route as heritage in danger
The United Nations has fast-tracked a vast antelope migration path in South Sudan onto its List of World Heritage in Danger, the young nation's first such listing.
What Australian lakes showed us about Martian hydrology
The expansive red bluffs of Western Australia's Yilgarn Craton give the landscape a Martian appearance. It turns out the resemblance is more than superficial: The Yilgarn Craton also shares geological characteristics with ...
Identify birds offline using AI: New app records animal sounds directly on your smartphone
Previous apps for identifying animal calls regularly hit practical limits: Without a stable internet connection, real-time identification in forests or high mountains was impossible.
Researchers uncover new mechanism behind DNA repair
Roughly 20 million people receive a cancer diagnosis each year, and an estimated 1 in 5 people will receive a cancer diagnosis in their lifetime. Cancer cells arise from damage to the cell's instruction manual: DNA.
Gender gap in predicted grades raises questions over their use in university admissions
A study of more than 350,000 students in England has found that teachers predict higher A-Level grades for girls than boys who go on to achieve the same exam results. The findings raise fresh questions about the role of predicted ...
New research turns the Dunning-Kruger effect on its head: Rethinking the confident incompetent
Researchers at the University of Bath and The London School of Economics and Political Science (LSE) suggest that the celebrated Dunning-Kruger effect, often taken to mean the least competent people are the most overconfident, ...
Can a newly discovered soil fungus stop the devastating African armyworm when chemicals have failed?
The African armyworm is a highly destructive migratory pest that damages maize, sorghum, millet and sugarcane. These caterpillars also cause indirect damage to livestock by destroying grazing lands and pastures.
Rethinking how we protect the world's mountain communities
As melting glaciers and shifting climates push mountain ecosystems to the brink, an international team of researchers has outlined a radical new approach aimed at strengthening the resilience, inclusivity and sustainability ...
Low-cost, rare-earth-free material for carbon recycling
To improve carbon recycling and reduce emissions, researchers at Science Tokyo developed iron-substituted calcium titanate (Fe-doped CaTiO3) as an environmentally friendly support material for chemical looping, a process ...
The surprising physics hiding in a single handful of beach sand
Sand has a way of getting everywhere on a beach day—and for some, it can make or break the whole trip. There's the way it whips through the air just as sandwiches are being unwrapped, the way it turns blisteringly hot underfoot ...
Study reveals how single-atom Cu-TiO₂ photocatalysts promote CO₂-to-CO conversion
Photocatalytic reduction of CO2 offers a promising approach to storing energy from intermittent sunlight in carbon-containing fuels and chemicals, thereby enabling carbon recycling. Single-atom Cu catalysts have attracted ...
The dangerous climate driving California's wildfires—and a warning for Australia
California is once again confronting a rapidly escalating wildfire season fueled by extreme heat, drying vegetation, drought and strong winds.
Accepting free will doesn't exist could make us less hateful and ashamed
In his 2023 bestseller, Determined, neuroscientist Robert Sapolsky argued that the interaction of biology and environment leaves no room for free choice. Philosopher and neuroscientist Sam Harris puts the case more bluntly: ...
A sweary boss might make you work harder (or want to quit)
Some people love to swear. In the workplace, some of those people might be in charge.
Teens want more advice about navigating consent but teachers' sex ed skills are falling short
Young people are navigating their romantic and sexual lives in an increasingly complex world. Social media content, including content from misogynistic influencers, has contributed to rapidly changing norms around gender, ...
'Grumpy' Pallas kittens on display at Japan zoo
Five young Pallas's cats—dubbed the world's grumpiest felines for their sullen facial expressions—went on display at a zoo in Japan on Thursday.
How do scientists know if climate change made a heat wave, extreme storm or wildfire worse?
When a devastating heat wave, hurricane, flood or wildfire strikes, people often want to know: How much did human-caused climate change influence this event, if at all?
