WASHINGTON (AP) — Early humans were regularly using animal bones to make cutting tools 1.5 million years ago. A newly discovered cache of 27 carved and sharpened bones from elephants and hippos found ...

NASA’s study on mice in space reveals how microgravity weakens bones, highlighting risks for astronauts and solutions for ...

Researchers at University of Tsukuba investigated the mechanism by which posterior spinal fixation, a technique that fixes the infected vertebrae by sandwiching them between normal vertebrae, ...