News

  1. Life

    Evolutionary adaptation breeds gender-identification confusion

    The rise of camouflage among some lizards in White Sands National Monument has generated a communication breakdown.

    By Susan Milius
  2. Health & Medicine

    For most centenarians, longevity is written in the DNA

    A study of people who live past 100 reveals many genetic paths to a long life.

    By Tina Hesman Saey
  3. Health & Medicine

    Stem cells from blood a ‘huge’ milestone

    New technique promises to be easier, cheaper and faster than other harvesting methods.

    By Laura Sanders
  4. Life

    Having BFFs brings longevity to female baboons

    A seven-year study of one African troop finds that females live longer if they form close, lasting friendships.