289-million-year-old reptile Captorhinus in its death pose in a cave system. Oil seepages, hyper-mineralized water, fine clays in this cave made it an ideal environment for mummification and fossilization of soft tissues like skin, cartilage, and protein remnants. Credit: Dr. Michael DeBraga
This strange ancient reptile may have grown up on four legs—only to stand tall on two as an adult.
A tiny brain-inspired chip breakthrough could slash AI energy use while making machines smarter and more adaptable.
Scientists have identified the brain cells behind depression, bringing new hope for targeted treatments.
SuperAgers are proving that sharp memory can last a lifetime—and may hold the key to stopping dementia.
