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Medical Xpress / Why energy fades with age: Missing membrane lipid may destabilize mitochondria

Why do cells age—and why do we lose our energy and vitality as we get older? This question is one of the central challenges of modern biomedicine. The focus is particularly on mitochondria—tiny cellular organelles long known ...

May 21, 2026
Medical Xpress / Running the numbers shows ivermectin could help beat malaria

When a stranger from Spain called Cassidy Rist in her first months at Virginia Tech, she almost didn't take the meeting. The caller was Carlos Chaccour, a physician at the University of Navarra who worked on global health ...

May 22, 2026
Phys.org / People overestimate how confident AI systems are in their responses, experiments reveal

Artificial intelligence (AI) systems, particularly conversational agents such as ChatGPT or Gemini, are now used daily by a growing number of people worldwide. While many users trust the answers of AI agents to their queries, ...

May 17, 2026
Phys.org / After the flames, wildfires pollute drinking water for years

When people think about wildfires, they usually think about flames, smoke and evacuations. However, for many communities, some of the most important damage begins after the fire has passed.

May 23, 2026
Medical Xpress / COVID-19 mRNA vaccine plus immune system enhancer may reduce need for repeated boosters, say researchers

In a new study published in Nature Immunology, researchers at Boston Children's Hospital demonstrated that pairing the original COVID-19 mRNA vaccine with an immune system enhancer, known as an adjuvant, improved the duration ...

May 22, 2026
Medical Xpress / Written in the eye: How the retina's biological age could help predict osteoporosis risk

Eyes, the high-resolution biological devices that help us visualize the outside world, are now being used as a portal to assess our internal health. Scientists have found that a closer evaluation of how one's retina is aging ...

May 18, 2026
Medical Xpress / Common epilepsy drug disrupts early brain growth in human organoids after 30-day exposure

It is known that the antiepileptic drug valproate increases the risk of developmental disorders in unborn children. A study conducted by the Karlsruhe Institute of Technology (KIT), the Heidelberg Academy of Sciences and ...

May 22, 2026
Medical Xpress / 3D-printed trays help human gut organoids self-build nerves and mature twice as fast

Thanks to special 3D-printed scaffolding trays designed by experts at Cincinnati Children's, researchers can now produce larger versions of functional human gut organoids twice as fast as previous methods—and these organoids ...

May 22, 2026
Phys.org / Coral refuges in Western Australia resist 2025 bleaching through record marine heat

The team of scientists from James Cook University, University of Western Australia and Edith Cowan University surveyed coral reefs in the West Australian Houtman Abrolhos group of islands (HAI), publishing their findings ...

May 22, 2026
Phys.org / AI-generated fake citations are flooding scientific literature across publications, scientists warn

The citations at the end of a research paper should represent a solid foundation of existing knowledge about a particular field, a pool of peer-reviewed sources built over years of research and study. However, with the increasing ...

May 18, 2026
Phys.org / Asexual lizards, virgin births and clones—the all‑female species of the animal kingdom

It may sound too bizarre to be true, but the Amazon molly (Poecilia formosa), a fish that inhabits rivers, lakes, and swamps in Mexico and Texas, exists over much of its range in populations that are 100% female. In 1932, ...

May 22, 2026
Phys.org / How does gold keep its glitter? Researchers uncover why it resists tarnish

Gold has been prized for thousands of years for its enduring shine, but Tulane University researchers have discovered that gold's resistance to tarnishing depends on more than its chemistry.

May 21, 2026