37+ min ago   (589+ words) Aging gradually wears down the cartilage and fluid that protect our joints, but avoiding movement may actually make matters worse. Exercise helps nourish cartilage, strengthens the muscles that protect joints, and can reduce osteoarthritis pain. Low-impact activities such as swimming,…...

2+ hour, 5+ min ago   (1192+ words) Physicists may have uncovered a hidden feature inside protons that helps preserve one of matter’s most fundamental properties. RHIC collision data suggest baryon number is carried not simply by three quarks, but by a Y-shaped junction of the gluons connecting them....

2+ hour, 47+ min ago   (593+ words) New Australian research is shedding light on why walking often becomes slower and more tiring with age. The findings suggest that the body gradually gives up some movement efficiency in favor of staying stable and upright. Led by researchers at…...

4+ hour, 27+ min ago   (448+ words) Scientists have discovered a new extinct amphibian species hiding in the fossil collections of Los Angeles’ La Brea Tar Pits. Named Spea labreae, the Ice Age spadefoot toad is an exceptionally rare find—only one other extinct Pleistocene amphibian has…...

8+ hour, 14+ min ago   (674+ words) A massive star has been torn apart and gradually consumed by a black hole in a spectacular event that scientists compared to "preparing a snack for lunch." Astronomers around the world observed the extreme encounter, and the event was presented…...

8+ hour, 57+ min ago   (479+ words) Viruses that remain in the body for years, including Epstein-Barr, cytomegalovirus (CMV), and herpes virus, are extremely common. In many people, they cause no symptoms and appear to be harmless. But growing evidence suggests that when these dormant viruses become active…...

21+ hour, 21+ min ago   (835+ words) Rising levels of carbon dioxide in the atmosphere may already be influencing human biology. New research has identified long-term changes in blood chemistry that appear to track rising atmospheric CO2, raising concerns that an important blood marker could approach the upper…...

21+ hour, 30+ min ago   (698+ words) "There's growing interest across medical disciplines in manipulating the human microbiome or using its metabolic products themselves for therapy," said Rabinowitz. "Diet holds great promise for controlling the microbiome and its outputs. But to devise effective therapeutic interventions, we need…...

21+ hour, 41+ min ago   (175+ words) Fossils collected in Osaka more than 30 years ago have revealed a surprise hiding in plain sight: four previously unrecognized bones from a giant Cretaceous mosasaur. Among them is the first confirmed premaxilla—the frontmost bone of the upper jaw—ever…...

21+ hour, 51+ min ago   (594+ words) A widely available food-preservation chemical is emerging as a disturbing factor in rising UK suicide deaths, particularly among younger people and men. Researchers say the scale may be underestimated and are calling for urgent restrictions on access and harmful online…...