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Pancreatic cancer patients with at least 21 natural teeth survived nearly two years longer after surgery than those with fewer teeth in a study of 339 people. Researchers suspect tooth loss may reflect decades of inflammation, frailty, nutrition, and ...

Scientists have linked a specific gut bacterium, Roseburia inulinivorans, to stronger muscles in both humans and mice. Older adults who carried it had 29% greater handgrip strength, while treated mice gained about 30% more grip strength and developed ...

A colossal cliff system created as the supercontinent Rodinia broke apart may have exposed the heart of the Grand Canyon nearly a billion years before the Colorado River carved it. The ancient landscape could also help explain why enormous sections . ...

Scientists have identified exceptionally rare soft tissue preserved in a 450-million-year-old crinoid fossil, more than 200 million years older than the first dinosaurs. Its delicate tube feet offer a remarkable new window into how some of Earth's .. ...

A discarded SpaceX Falcon 9 stage crashed into the Moon on Aug. 5, leaving behind a newly formed crater about 60 feet wide. NASA's Lunar Reconnaissance Orbiter captured detailed images showing bright and dark streaks of debris blasted across the ...

Miocene South America was packed with giant prey--and the predators hunting them were just as spectacular. Fossil bite marks suggest crocodylians, especially the enormous Purussaurus neivensis, were more important predators than mammals in this ...

Researchers have built microscopic, light-driven robots that can rapidly navigate through liquid, collect bacteria, and deposit them in chosen locations. These tiny "cleaners" could open new possibilities for manipulating cells and microbes with ...

Traveling electrical waves sweeping across the brain may help determine what we notice, predict what comes next, and construct our internal picture of the world. Researchers now argue that these waves aren't just background activity--they could be a ...

A magnetar's colossal magnetic field may have revealed a quantum effect predicted by Werner Heisenberg nearly 90 years ago, in which seemingly empty space alters the behavior of light. If confirmed, the discovery could offer the first direct evidence ...

Researchers combined synthetic DNA with a semiconductor to create an ultra-low-power memory device capable of storing and processing information in the same place. The bio-hybrid technology could eventually help make AI systems and next-generation .. ...