News

  1. Genetics

    Dog gene heeds call of the wild

    Domesticated dogs passed a gene for dark fur color to their wild cousins.

    By Laura Sanders
  2. Life

    Caterpillar noise tricks ants into service

    Sneaky interlopers mimic the “voice” of an ant queen to get royal treatment from the colony. (Audio included.)

    By Susan Milius
  3. Health & Medicine

    How the body rubs out West Nile virus

    Tests in mice show how the immune system tracks down cells infected with West Nile virus, findings that might explain why some old people fare worst from the virus.

    By Nathan Seppa
  4. Earth

    Animal ancestors may have survived ‘snowball Earth’

    Chemical fossils in Precambrian sedimentary rock push back the first date for animal life.