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Tech Xplore / Neutrons reveal how friction stir welding could strengthen steel armor | ORNL

Using neutrons at the Department of Energy's Oak Ridge National Laboratory, researchers from The Ohio State University are studying residual stress caused by friction stir welding (FSW) to reveal how to strengthen armor steel ...

9 hours ago
Phys.org / Spectroscopy system detects aerosols using light reflected from traffic signs and tree trunks

Researchers have developed and tested an infrared spectroscopy system that can rapidly detect chemical aerosols from a distance by using light reflected from common surfaces such as traffic signs, tree trunks or painted surfaces. ...

10 hours ago
Medical Xpress / Supercharged millet could help children's gut health without usual supplement side effects

Every day in the urban slums of Mumbai, hundreds of young children were fed toddler-appropriate porridge, soft curry or fresh-baked goods. For some, these were made of ordinary pearl millet, an ancient grain common in the ...

10 hours ago
Phys.org / Before North and South America were connected, their mammals found a way to intermingle

Until the Panamanian isthmus formed about 2.8 million years ago, North and South America were isolated continents with unique groups of animals. A riot of marsupials—mammals with brood pouches—and sloths in the south contrasted ...

13 hours ago
Tech Xplore / Popular vs. reliable sources—a blind spot in how LLMs assess information

Large language models (LLMs), the artificial intelligence (AI) systems underpinning ChatGPT and similar conversational platforms, are now used by many people worldwide to find and summarize information and generate different ...

20 hours ago
Phys.org / Ancient Chinese seeds spanning 5,000 years train AI to ease archaeology's specialist bottleneck

Ancient plant seeds provide important archaeological evidence for studying the evolution of human civilization. Lingnan University and Shandong University have jointly developed the world's first artificial intelligence (AI) ...

11 hours ago
Science X / Curious people embrace richer experiences, but cognitive test scores tell a more complicated story

We often hear that a curious mind is a sharp mind, particularly as we age. According to scientists, persistent learners are often open to taking on new challenges and trying new activities. The idea is that engaging with ...

20 hours ago
Medical Xpress / Sleep replay of learned skills can occur independently of the hippocampus, mouse study finds

Sleep is a crucial physiological process that supports recovery, clears metabolic waste products from the brain, regulates metabolism and supports the functioning of the immune system. Sleep is also known to play a key role ...

17 hours ago
Medical Xpress / Researchers call for urgent overhaul of pain care amid opioid crisis

A new position paper from researchers at the University of Aberdeen warns that opioid use disorder in the U.K. is a "large and probably underestimated" problem, and that without urgent action, opioid addiction and opioid-related ...

5 hours ago
Medical Xpress / Brain training app makes adults with ADHD feel sharper but tests show no real change

Once believed to be a condition that children outgrow, attention deficit hyperactivity disorder (ADHD) is now recognized as a lifelong neurodevelopmental condition that often persists into adulthood. For many adults, it can ...

18 hours ago
Medical Xpress / Cancer drug enables kidney transplant despite severe immune incompatibility

An international research team led by the Medical University of Vienna reports on a new treatment strategy that has made kidney transplantation possible for a patient with no realistic chance of receiving a suitable donor ...

10 hours ago
Tech Xplore / Vacuum attachment designed to improve nuclear fallout collection

In a nondescript Idaho Falls warehouse, a nuclear nonproliferation researcher at Idaho National Laboratory (INL) picks up a small plastic bottle and pours tiny bits of rounded black glass across a worktable.

10 hours ago