Archaeology
No more giants, no more heavy handaxes: Why early humans downsized their stone tools
For more than 1 million years, early humans in the Levant region of the eastern Mediterranean used a range of heavy tools, such as massive handaxes and stone balls, for important tasks, including processing animal carcasses. ...
20 minutes ago
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Cell & Microbiology
Examining embryo model ethics beyond box-checking
In science, ethical guidelines ensure that research takes place in a way that respects public trust and is conducted responsibly. Traditional ethics approval procedures work well for projects following established practices, ...
1 hour ago
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High levels of forever chemicals found in Svalbard reindeer
Svalbard reindeer live in a place so remote they have actually evolved to become a subspecies. But that remoteness isn't enough to protect them from contaminants from the industrial world.
Environment
1 hour ago
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From Asgard to Earth: Tiny tubes may reveal the moment complex life began
Stromatolites—and their close relatives, microbial mats—could be mistaken for what seems like a bunch of old dark rocks. But instead, they are dense, layered communities of microbes. Long before complex life such as animals ...
Evolution
2 hours ago
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Meditation changes brain activity quickly with a noticeable peak at 7 minutes, research reveals
Meditation is widely recognized for its extensive range of mental and physical health benefits, from reducing stress and anxiety to boosting cognitive and emotional health. What was considered a fringe activity is now a mainstream ...
Diabetes prevalence in American neighborhoods is influenced by historic and contemporary structural racism: Study
Diabetes is more prevalent in neighborhoods where historic residential redlining occurred and where contemporary structural racism persists, according to a new study by University at Buffalo population health researchers. ...
Medical Xpress
40 minutes ago
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Sauna heat sends white blood cells surging through your bloodstream, study finds
Sauna bathing releases white blood cells into the bloodstream, a new study from Finland shows. Circulating white blood cells play a key role in the body's defense against various pathogens and diseases. The results were published ...
Medical Xpress
1 hour ago
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Origami-inspired robot built from printable polymers uses electric current to move
With their ability to shapeshift and manipulate delicate objects, soft robots could work as medical implants, deliver drugs inside the body and help explore dangerous environments. But the squishy machines are often limited ...
Robotics
1 hour ago
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Fat-producing enzyme may amplify damage in Parkinson's disease
A fat-producing enzyme in brain cells may play a key role in driving damage in Parkinson's disease and could offer a new target for treatment, scientists at Nanyang Technological University, Singapore (NTU Singapore) have ...
Medical Xpress
1 hour ago
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CAR-T therapy drives remission in patient with three autoimmune diseases
For the first time, scientists have used a modern cell therapy called CAR-T to treat a patient with three different life-threatening autoimmune diseases that had resisted years of treatment. The patient, who once required ...
Medical Xpress
2 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
Waiting for DeepSeek: new model to test China's AI ambitions
Using AI models to detect sinkhole trouble
A new generation is reviving the iPod for distraction-free listening
Meta releases first new AI model since shaking up team
Leather gets a power upgrade with laser-written microsupercapacitors
New hydrogen fuel cell design could unlock key clean energy technology
Cheaper thermoelectrics? Silver selenide approaches performance level of commercial materials
Latest Anthropic AI model finds cracks in software defenses
How electric cars could help tropical cities run on solar
Wind and solar may help Ecuador avoid repeat of its 2024 power crisis
New AI method flags fluid flow tipping points before simulations break down
David J. Silvester, a mathematics professor at the University of Manchester, has developed a novel machine-learning method to detect sudden changes in fluid behavior, improving speed and the cost of identifying these instabilities ...
Soft Matter
4 hours ago
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Ancient Māori remains point to largely plant-based diets before colonization
New research led by the University of Otago—Ōtākou Whakaihu Waka, in close partnership with mana whenua, is shedding new light on Māori diet and burial practices in Aotearoa New Zealand prior to European colonization. The ...
Archaeology
2 hours ago
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Dragonflies share humans' red-light sensing trick, detecting wavelengths near 720 nm
Sometimes, different organisms can evolve the same ability independently, a process called parallel evolution. A new study from Osaka Metropolitan University (OMU) has found that dragonflies sense red light similarly to mammals, ...
Evolution
2 hours ago
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Overlooked non-coding genes cause diabetes in babies, study reveals
Scientists have found new genetic causes for diabetes in babies—in a part of the genome that has historically been overlooked in genetic studies. Until recently, most research has investigated causes of disease in "coding" ...
Medical Xpress
2 hours ago
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What if dark matter came in two states?
The absence of a signal could itself be a signal. This is the idea behind a new study published in the Journal of Cosmology and Astroparticle Physics, which aims to redefine how we search for dark matter, showing that it ...
Astronomy
13 hours ago
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Skin can 'pre-learn': Priming cells for regeneration before injury
It is well known that students who prepare in advance perform better in exams. Now, it appears that the skin can do the same. Rather than scrambling to repair itself only after injury occurs, a Korean research team has demonstrated ...
Medical Xpress
3 hours ago
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Single-shot imaging captures more information about ultrafast microscopic processes than previously possible
Researchers have developed a new imaging technique that captures more information about ultrafast processes in the microscopic world than was previously possible. The technique offers scientists a powerful new tool to observe ...
Optics & Photonics
3 hours ago
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Why treelines don't simply rise with the climate
A global study by the University of Basel, Switzerland, reveals a surprising picture: While 42% of treelines worldwide are shifting upslope, 25% are retreating. This seemingly contradictory trend involves more than just warming. ...
Earth Sciences
3 hours ago
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One DNA letter can trigger complete sex reversal
Researchers at Bar-Ilan University have discovered that changing just one letter in DNA can completely alter sex development in mice. In the new study, published in Nature Communications, a single-letter insertion in a non-coding ...
Molecular & Computational biology
8 hours ago
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11
Houston, we have a problem ... with the toilet
After a successful trip around the moon, everything has been going smoothly on the Orion spacecraft's journey back to Earth—except for the $23 million toilet, which has gotten clogged.
Space Exploration
8 hours ago
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A fixation with 'toxic leaders' ignores wider truth behind corporate scandals
A new study, published in the British Journal of Management, examines the high-profile cases of Theranos, Purdue Pharma, Enron, and Wirecard, and claims that the desire to pin the blame on individuals has allowed the systemic ...
A Mercury rover could explore the planet by sticking to the Terminator
The closest planet to our sun, Mercury, experiences extreme temperature variations. Since the planet has no atmosphere to speak of, it is in a constant cycle where one side is extremely hot and the other extremely cold. On ...
Twin NASA control rooms support Artemis safety, success
Twin control rooms at NASA's Marshall Space Flight Center in Huntsville, Alabama, are actively supporting real-time mission operations in lunar orbit as part of the agency's Artemis II mission, helping ensure astronaut safety ...
Keeping roads and train lines open during India's monsoon floods
Seasonal monsoon rains in India turn crops lush and fill essential water reservoirs. They can also cause roads to flood and bring train travel to a standstill, impacting the economic heartbeat of cities and towns.
Researchers develop AI-driven air quality monitoring system
Johannesburg's air quality has never really been measured systematically. Like many other cities across the globe, scientists have battled to develop cost-effective monitoring systems that provide accurate real-time data ...
Tiny plankton have big impact on harmful algal bloom predictions, data reveal
As climate change intensifies harmful algal blooms worldwide, an international team led by Hiroshima University has developed a hybrid modeling approach that combines algal movement simulations, AI, and long-term monitoring ...
Taming skyrmions: Atom-thin magnets point to ultra-dense, low-power memory
Data is growing at a staggering pace, pushing charge-based microelectronics, such as smartphones and laptops, to their physical limits. Spintronics—technology that uses electron spin rather than charge—avoids the limits of ...
Emperor penguins listed as endangered species: IUCN
The emperor penguin has been declared an endangered species as climate change pushes the icon of Antarctica a step closer to extinction, the global authority on threatened wildlife announced on Thursday.
New study reveals the depth of children's nuclear anxiety
As geopolitical tensions rise globally, a new study published in Critical Studies on Security warns that the shadow of the "mushroom cloud" is weighing heavily on the next generation. The research paper, titled "Mushrooms, ...
Traveling tropical disturbance increases rainfall across the Hawaiian Islands
A new study by researchers at the University of Hawai'i at Mānoa revealed that the Madden–Julian Oscillation (MJO), a large-scale tropical disturbance that travels eastward through the tropics every 30–60 days, significantly ...
New solar telescope turns sunspots into exoplanet-finding weapons
The Paranal solar ESPRESSO Telescope (PoET), installed at the European Southern Observatory's (ESO's) Paranal site in Chile, has made its first observations. The telescope will work with ESO's ESPRESSO instrument to study ...
New Hampshire ski industry concerned about climate change
New research out of the University of New Hampshire reveals that the majority of New Hampshire ski industry professionals are concerned about the effects of global warming on the ski industry, which generates close to $278.8 ...
Preventing the spread of a deadly virus to Pennsylvania's rabbits and hares
Rabbit hemorrhagic disease virus type 2 is a terrible way for any animal to die, especially creatures as gentle as these. Highly contagious and lethal, it threatens wild and domestic rabbits. First detected in the United ...
Scientists discover the antibacterial potential of 'hero' Korean skincare ingredient
Fans of Korean skincare may be familiar with "hero ingredient" Madecassic acid for its skin-soothing properties, but researchers at Kent have revealed its greater potential for use in the fight against antibiotic resistance.
World's largest study of human flourishing opens its data to the public
The Global Flourishing Study (GFS), the most comprehensive empirical investigation of human flourishing ever undertaken, has made its first two waves of data publicly available through the Center for Open Science at no cost ...
'Chills': Artemis astronauts say lunar flyby still washing over them
They took thousands of photographs and documented copious observations on their voyage around the moon, but as they sped closer to home the Artemis astronauts said Wednesday they have barely started processing the extraordinary ...
Artemis crew's families enthralled by messages from space
A week after astronaut Jeremy Hansen blasted off on the historic Artemis II mission to the moon, his wife Catherine recalled the anxiety and thrill of witnessing the journey from afar.
Artemis II astronauts follow Apollo tradition of naming lunar features after loved ones
Lunar love knows no bounds. Now hurtling home from the moon, the Artemis II astronauts took a poignant page from Apollo 8 earlier this week, proposing deeply personal names for a pair of lunar craters.
Shallow Indonesian quake damages houses, injures residents
A shallow 4.9-magitude earthquake struck eastern Indonesia overnight, damaging dozens of homes and injuring multiple people, an official said Thursday.
Reversing biodiversity loss by 2030 is critical to avoid disastrous effects on human well-being, researchers warn
Halting and reversing the global decline in biodiversity is now urgent to avoid destabilizing Earth's vital systems that support human well-being. That's the stark message of a new paper published today in Frontiers in Science. ...
