Uncategorized

  1. Genetics

    Europe’s oldest known humans mated with Neandertals surprisingly often

    DNA from ancient fossils suggests interbreeding regularly occurred between the two species by about 45,000 years ago, two studies find.

    By Bruce Bower
  2. Animals

    Tiny crystals give a plain fish twinkling, colorful dots under light

    Fishes’ flashing photonic crystals may provide inspiration for ultra-miniaturized sensors that work in a living body.

    By Susan Milius
  3. Life

    Yawning helps lions synchronize their groups’ movements

    A lion yawn is contagious, and when lions start yawning together, they start moving together. Synchronization may be key for group hunters like lions.

    By Jake Buehler
  4. Tech

    ‘Pipe Dreams’ flushes out hope in an unexpected place: the toilet

    A new book shows how reimagined toilets will allow humans to use pee and poop as natural resources.