News

  1. Anthropology

    Grannies give gift of longer lives

    Data from two 18th- and 19th-century farming communities supports the theory that child care assistance from grandmothers has contributed to the evolution of extended human longevity.

    By Bruce Bower
  2. Health & Medicine

    Drug for migraines helps some patients

    An experimental drug that slows blood flow in the brain knocks out migraine headaches in some people.

    By Nathan Seppa
  3. Animals

    Hornbills know which monkey calls to heed

    Hornbills can tell the difference between two kinds of alarm calls given by monkeys.

    By Susan Milius
  4. Planetary Science

    Revisiting a forgotten planet

    Engineers are readying a NASA spacecraft for a May 11 launch to Mercury, one of the least-explored planets in the solar system.