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Phys.org / What happens to microplastics when swallowed? In earthworms, they do not leave the digestive tract

Globally, humanity now produces a staggering 450 million tonnes of plastic every year. From food and drink containers to cosmetics packaging, sewage pipes, window frames and polyester clothing, we use plastics in almost every ...

4 hours ago
Phys.org / SpaceX: Five key moments, from first launch to Starship megarocket

More than 20 years after its founding, SpaceX made history Friday with its record-high stock market debut, crowning a unique journey marked by dazzling successes but also catastrophic failures and unfulfilled promises.

7 hours ago
Tech Xplore / Anthropic says it has taken its latest AI models offline to comply with new export controls

AI giant Anthropic said Friday it has taken its latest artificial intelligence models, known as Fable 5 and Mythos 5, offline to comply with a directive from the Trump administration to prevent their use by foreign nationals.

7 hours ago
Medical Xpress / Always losing your way? Psychologists investigate topographical disorientation at festival

Always losing your way, even in places you've been visiting for years? You may have Developmental Topographical Disorientation (DTD). Psychologists from Leiden are investigating this relatively little-known condition at the ...

4 hours ago
Phys.org / Family wealth reaches further: Grandparents' income links to grandchildren's college access

It has long been understood that parents' income plays a major role in children's access to higher education. But a new study published in Canadian Studies in Population suggests that grandparents' income matters, too. By ...

4 hours ago
Medical Xpress / Why women with HIV are still dying early, even when virus is not main cause

Women with HIV most often die from preventable, trauma-related conditions like substance use and mental illness—not the virus itself. Yet these leading causes are largely missing from official death records, according to ...

8 hours ago
Phys.org / Gulf Stream shifted north during 12,900-year-old cold snap, first direct evidence shows

During an abrupt global cold snap nearly 13,000 years ago, the Gulf Stream ocean current shifted farther north, temporarily disrupting eastern Canada's oceanic ecosystems, a process that could happen again as the climate ...

21 hours ago
Medical Xpress / Fructose sends a weaker satiety signal to the brain than glucose

Researchers at the Monell Chemical Senses Center have found that common dietary sugars fructose and glucose, despite having the same number of calories, communicate with the brain through different gut–brain pathways, a difference ...

19 hours ago
Phys.org / Jurassic viral gene may have helped apple snails start laying eggs on land

Pomacea canaliculata, commonly known as the apple snail, is a pest commonly found in Hong Kong's wetlands and farmlands. It feeds on aquatic plants and produces toxic pink egg masses resembling miniature grapes that adhere ...

22 hours ago
Phys.org / New species of Middle Miocene bear-dog described in tribute to Salvador Moyà-Solà

A research team with the participation of the Institut Català de Paleontologia Miquel Crusafont (ICP) has described a new species of extinct carnivore from fossil remains recovered at the Els Casots site (Subirats, Alt Penedès). ...

23 hours ago
Medical Xpress / Not all children with early puberty need the same level of testing or treatment, says new guideline

Some subgroups of children with precocious puberty—such as older girls with slowly progressing puberty—may not need the same level of testing or treatment, according to a new Endocrine Society Clinical Practice Guideline ...

5 hours ago
Tech Xplore / New strategy enhances oxygen reduction in zinc-air batteries

Batteries are undergoing rapid advances. For example, modern zinc-air batteries have the remarkable ability to use oxygen as energy—but that oxygen isn't stored in the battery itself. Zinc-air batteries take in surrounding ...

21 hours ago