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Medical Xpress / New gas-switching approach could one day make deep-sea decompression safer and faster

Deep-sea divers must be careful to prevent decompression sickness, also known as "the bends," when ascending from the high-pressure depths of the ocean. Failing to do so can result in anything from muscle cramps and skin ...

15 hours ago
Phys.org / New findings overturn 100-year-old assumption about common bacteria in the lungs

The human body is teeming with more than 35 trillion bacteria, coexisting in microbiomes inside the gut, mouth, lungs, skin and urogenital tract. While it's now clear these microbes are associated with health and disease, ...

14 hours ago
Phys.org / Early settlement dynamics in the Pacific revealed through ancient DNA

New genetic analyses of ancient human skeletons from western Remote Oceania are shedding light on the complex history of settlement in this vast Pacific region over the past 3,000 years. With island nations such as Vanuatu, ...

12 hours ago
Medical Xpress / Youth-associated protein helps restore healthy function in immune cells in the aging brain

Researchers at the Icahn School of Medicine at Mount Sinai have identified a role for the youth-associated protein TIMP2 in supporting the healthy function of microglia, the brain's resident immune cells.

13 hours ago
Phys.org / Rings forged from meteorites may have been fashionable among ancient Greek elites

Meteorites provided a rare but ready source of iron for ancient Bronze Age cultures before smelting became common. A new study, published in the Journal of Archaeological Science, sheds light on how the ancient Minoan and ...

21 hours ago
Phys.org / Wheat gene behind Hessian fly resistance cloned after 50-year search

Researchers at the University of Maryland and their collaborators have cloned a gene that makes wheat resistant to feeding by Hessian fly larvae and demonstrated its direct interaction with a protein produced by the insect. ...

9 hours ago
Phys.org / Engineered microbe speeds CO₂ capture and recovers critical metals

A genetically engineered bacterium can rapidly break down one of Earth's most abundant minerals, opening a promising new pathway for simultaneously removing carbon dioxide from the atmosphere and recovering critical elements ...

10 hours ago
Phys.org / Europe's mountain summits are warming—vegetation is responding in surprisingly different ways

Decades of climate change have not left Europe's mountain vegetation unscathed. However, the changes observed do not always match expectations. As a new international study by a research team led by researchers from the University ...

10 hours ago
Medical Xpress / Researchers examine unanticipated benefits of GLP-1 medications

GLP-1 receptor agonists and dual agonists have transformed the treatment of obesity and other metabolic diseases, and a new editorial co-authored by Dr. Steven Heymsfield of LSU's Pennington Biomedical Research Center and ...

13 hours ago
Phys.org / Cell biochemistry beyond membranes: Condensate physics reveals general rules for chemical responses

Basic biology courses teach that cells contain organelles—such as the nucleus, mitochondria and Golgi apparatus—set apart by lipid membranes to get things done. Recent cell biology research has revealed another organizational ...

10 hours ago
Phys.org / Cells pulse together as they grow—and malignant cells pulse the longest

Epithelial cells are the tiny shields that line and protect our bodies. In a developing embryo, epithelial cells grow, divide and move into positions to form the outer layers of our skin and the surfaces of our organs and ...

11 hours ago
Phys.org / Constipation is common in astronauts—blood tests provide new answers

For astronauts in space, constipation is a well-known problem. But why this happens has long been unclear. Now, a new study from the University of Copenhagen in collaboration with NASA provides an idea of what happens in ...

12 hours ago