News

  1. Animals

    Dead, live guppies vie for paternity

    Females can use sperm months after mates go belly up.

    By Susan Milius
  2. Health & Medicine

    Flu spreads via airborne droplets

    Hand washing goes only so far in retarding flu transmission.

    By Tina Hesman Saey
  3. Humans

    Dietary changes accompanied human evolution

    Hominids moved toward eating grasses and away from tree leaves, according to chemical analyses of fossil tooth enamel.

    By Rachel Ehrenberg
  4. Archaeology

    Italians taught French wine-making

    Archaeology suggests Etruscans brought the grape to Gaul.

    By Cristy Gelling
  5. Life

    Genes weakly linked to education level

    A search of more than 2 million DNA locations in more than 125,000 people finds a weak, and perhaps dubious, association with schooling.