News

  1. Health & Medicine

    A graphene “tattoo” could help hearts keep their beat

    A proof-of-concept electronic heart tattoo relies on graphene to act as an ultrathin, flexible pacemaker. In rats, it treated an irregular heartbeat.

    By Meghan Rosen
  2. Animals

    This elephant peels bananas, but only slightly ripe ones

    Pang Pha, an Asian elephant at Zoo Berlin, probably picked up the skill by observing her zookeeper.

    By Nora Bradford
  3. Life

    Comb jellies have a bizarre nervous system unlike any other animal

    A 3-D map of the comb jelly “nerve net” reveals fused neurons that lack the space, or synapses, most neurons use to communicate. Did it evolve independently?

    By Jake Buehler
  4. Animals

    Northern elephant seals sleep just two hours a day at sea

    The marine mammals have truly awesome stamina for staying awake, sleeping only minutes at a time on months-long trips at sea.