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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 ...
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 ...
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, ...
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.
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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, ...
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.
