News in Brief

  1. Tech

    Watch this cuttlefish-inspired ‘skin’ morph into a 3-D shape

    New silicone material mimics cephalopod shape-shifting for quick camouflage.

    By Maria Temming
  2. Neuroscience

    There’s no rest for the brain’s mapmakers

    Navigational grid cells stay on the job during sleep.

    By Laura Sanders
  3. Health & Medicine

    In many places around the world, obesity in kids is on the rise

    The last 40 years saw a big leap in obesity among children, totaling an estimated 124 million boys and girls in 2016.

    By Aimee Cunningham
  4. Genetics

    We’re more Neandertal than we thought

    Neandertals contributed more to human traits than previously thought.