Paleontology & Fossils
Well-preserved tooth from Pacific mastodon found in a creek in San Francisco Bay Area
Brigid Lynch was working along a wooded creek in a mountainous part of the San Francisco Bay Area when something that didn't look like the rocks she'd been studying caught her eye. It turned out to be the fossilized tooth ...
11 minutes ago
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Novel particle beam could challenge Einstein's theory of gravity
Does gravity act equally on all particles in the universe, or are there differences between ordinary and exotic matter? Physics professor Anna Soter and her team at ETH Zurich and the Paul Scherrer Institute (PSI) in Villigen ...
General Physics
18 hours ago
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Wild dogs make the longest recorded journey of any terrestrial mammal in Africa
African wild dogs (Lycaon pictus) travel incredibly long distances to search for a mate and new places to breed. They typically embark on these mammoth treks as young adults and often face numerous hazards along the way. ...
New species of 240-million-year-old prehistoric animal could reshape dinosaur origins timeline
A new prehistoric animal species from Tanzania dating to around 240 million years ago, during the Triassic period, has been described by an international team of researchers. Led by the University of Bristol, the new species, ...
Evolution
9 hours ago
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Plasma and electricity convert CO₂ into methanol, butane and other useful chemicals
Carbon dioxide (CO₂) can be harmful to the environment in large amounts but can be used in the production of fuels and other useful chemicals. Doing so isn't easy, though. Now, Yale researchers have developed a new way to ...
Analytical Chemistry
9 hours ago
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Biophysical model suggests how cells optimize information gathering without using too much energy
In both biological and engineered systems, cells and sensors must make sense of noisy, changing signals to function. However, collecting and using this information consumes valuable energy. A new study, published in Physical ...
High-resolution weather data could pinpoint neighborhoods facing greatest heat stress
Heat stress is a leading cause of weather-related deaths and can be especially dangerous in cities, where phenomena like urban heat islands drive temperatures higher than in surrounding rural areas. Now, a new dataset developed ...
Environment
8 hours ago
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Webb reveals dynamic panorama of star formation, including smallest known brown dwarfs
This starry view of the nearby star-forming region IC 348 is one of the largest images released to date from NASA's James Webb Space Telescope. Using Webb, astronomers searched IC 348 for brown dwarfs, which are less massive ...
Astronomy
10 hours ago
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From 7,000 drugs to one active against resistant strains: AI advances pneumonia drug repurposing
Streptococcus pneumoniae is a bacterial pathogen that causes life-threatening infections, including pneumonia and meningitis. These infections are commonly treated with antibiotics, but antibiotics are becoming less effective ...
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
Pickle-flavored tart? AI inspires Japan's convenience stores
AI can sound empathetic and human—but not at the same time
AI giants pursue self-regulation as safety fears mount
Ex-Google worker adds to AI alarm, warns of 'potential to kill us all'
As the world debates the risks of AI, China closes the technology gap with the US
What if you only see part of a network? And how do you spot meaningful connections?
Two AIs disagree about the reason someone can't borrow money
Doomers and boosters: Who's who in the AI wars
'We unleashed the beast': The world's fears and hopes about AI
A blueprint for keeping humans in control of AI
Improved thin film harnesses indoor light to power devices
Ion-guiding separator improves lithium-metal battery performance
Weather forecasts are significantly less accurate in poorer countries, analysis finds
Weather forecasts inform countless everyday decisions—from farmers deciding when to sow crops and energy companies anticipating demand to public authorities preparing for heat waves. But how useful those forecasts are depends ...
Environment
9 hours ago
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AI imagines a harsher social world, expecting punishment where people expect inaction
Artificial intelligence (AI) systems, particularly the large language models (LLMs) that underpin ChatGPT and similar platforms, are remarkably skilled at answering queries about a wide range of topics. However, the extent ...
Not all roads lead to Rome: Research challenges what we think we know about Roman roads
A multidisciplinary team of researchers from Aarhus University in Denmark, Queen Mary University of London and other European institutions analyzed a data set representing almost 300,000 kilometers (186,000 miles) of Roman ...
Archaeology
13 hours ago
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Plans to artificially dim the sun have divided scientists—here's what they're actually arguing about
No, President Joe Biden did not engineer Hurricane Milton. No, the ice crystal contrails left behind by high-altitude aircraft are not "chemtrails" sprayed by governments to control the weather or manipulate populations. ...
Environment
10 hours ago
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A famous galaxy's black hole has been hiding its most violent behavior
Astronomers have found that a nearby galaxy's black hole is blasting out a far more powerful and hidden gas outflow than previously realized. Studying NGC 1068, a well-known galaxy with an actively feeding black hole at its ...
Disordered atoms steer shared light pulses by matching motion and timing
A research team at the Institute of Applied Physics at TU Darmstadt has shown for the first time that atoms that are completely disordered and in constant motion can nevertheless emit jointly directed light preferentially ...
Optics & Photonics
11 hours ago
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Stable answers help medical AI flag diagnoses clinicians can trust
AI agents could reliably support diagnoses and clinical decision-making in the future—provided sensitive health data are protected and clinicians can assess the reliability of individual AI-generated results. Researchers ...
Medical Xpress
9 hours ago
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Why most rivers don't respond to storms the same way twice
The same amount of rain falling on the same landscape at different times can send very different amounts of water into its rivers, according to a new study in Nature Water. The research offers a global picture of how catchments ...
Earth Sciences
11 hours ago
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For many group-living females, breeding and raising young are shared endeavors
Some female animals living in groups raise offspring that are not their own, sometimes without reproducing themselves. While the behavior of cooperatively breeding species is well documented, some aspects remain poorly understood.
Neuron cell bodies switch gene programs to steer growing axons, study finds
A new discovery by neuroscientists at Brown University's Carney Institute for Brain Science challenges long-held beliefs in neurobiology about how neurons extend axons to reach their targets.
Medical Xpress
11 hours ago
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US acknowledges for the first time that it has deployed weapons in space
The United States has confirmed for the first time that it has deployed weapons in space, a remarkable revelation after previous warnings about countries such as Russia possibly weaponizing a global frontier long agreed in ...
Study finds violence affects millions across US with links to health, economic hardship
A new national study reveals the widespread reach of violence across the United States, finding that more than half of U.S. adults have experienced physical violence and nearly half have experienced sexual violence in their ...
Transparency and trust are the foundations of every successful research partnership, report suggests
According to research by the IfM Bonn, strengthening research collaboration between universities and businesses requires regional technology transfer networks in which technology transfer offices at universities and research ...
How high turnover rates in Tanzania's agro-dealer sector affect farmer fertilizer adoption
Smallholder farmers in sub-Saharan Africa adopt agricultural inputs, including fertilizer, at low rates, contributing to low agricultural productivity. Previous research has shown that insufficient information and distrust ...
A new mechanism for reading extra-long genes in neurons
Neurons in humans and other mammals express many exceptionally long genes, ranging from more than 100 kbp to more than 2 Mbp, that are important for forming synapses and neural circuits. In general, genetic information is ...
Study explores new photonics advance: Topology imprinting in nonlinear metasurfaces
Light is traditionally described by properties such as wavelength, amplitude, phase and polarization. Advances in optics have shown that light can also be shaped into complex spatial patterns known as structured light, enabling ...
Four in 10 young people don't see 'buy now, pay later' as debt
The way a product is labeled can change how consumers think about it. "No added sugar" or "99% fat-free" can make food sound healthier than it really is.
Greyhound racing just turned 100, and says its dogs are fine. But are they?
This year, greyhound racing in Britain turns 100 years old. The first race took place on July 24, 1926, in Manchester, where six dogs chased a mechanical hare around a track.
Young, eco-anxious Canadians are the most likely to support disruptive tactics by environmental activists, study finds
The tolerance of individual Canadians for radical forms of environmental activism depends on several factors. Overall, however, Canadians do not support vandalism or violence as forms of protest. Those are the key findings ...
Tracking the path of new world screwworm
New cases of New World screwworm have recently surfaced in the United States, highlighting the critical need to track its paths to determine where future infestations may occur. Researchers at the U.S. Department of Agriculture's ...
What are best options for controlling GSL dust, and what would they cost?
A new collaborative report from University of Utah researchers and coordinated by the Wilkes Center for Climate Science & Policy provides Utah Department of Natural Resources, Department of Environmental Quality and policymakers ...
Skipping showers is the latest trend. But is there any science to 'pheromone' maxxing?
Across parts of the internet where young men trade tips on self-improvement, the latest project is scent. Deodorant is out, and washing less is in.
Smart nanoparticles deliver antibiotics directly to H. pylori
Helicobacter pylori bacteria infect around half the global population and are a leading cause of stomach ulcers and gastric cancer. While antibiotics remain the standard treatment, they often fail to reach bacteria hidden ...
Magnets could help quantum computers talk to each other, says researcher
Xufeng Zhang is using magnets to make computers more power efficient at the quantum level. The Northeastern professor of electrical and computer engineering recently published two papers highlighting small-scale magnetic ...
Drought-flood alternation under climate change
Climate change is increasing the frequency of both droughts and floods, meaning back-to-back extreme events are also on the rise. These rapidly alternating crises can harm people in complex ways. For example, back-to-back ...
Is science journalism dying? Comparing a 'science crash' 40 years ago to today
When two popular science magazines—out of about 17 in circulation—ceased publication in the same year, one commentator said, "The science magazines didn't shake out. They fell apart." The general manager of one of the failed ...
3D food printing of balanced vegetarian dishes from rice and lentil flours
Rice and lentils are a pairing that goes a long way back, whether as khichdi in India or mujaddara in the Middle East. On its own, each is a source of incomplete protein, short on certain essential amino acids—but paired ...
How advertising turns our insecurities into profit—and how you can resist the manipulation
Have you ever bought something not because you wanted it, but because you were afraid of what might happen if you didn't? Maybe you worried about looking older, falling behind at work or simply not fitting in.
Frontline safety concerns mount among property managers, new survey shows
Safety and security challenges are creating unprecedented strain for frontline property management professionals, according to a new bilingual survey conducted by Portland State University's Center for Real Estate. Initiated ...
CubeSat instrument extends solar storm warnings 10x
The sun is the reason life exists on our small, blue planet. It provides solar radiation that warms the planet and ignites intricate biochemical processes like photosynthesis, producing oxygen for life to breathe. However, ...
