News
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AnthropologyGrannies 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 -
Health & MedicineDrug 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 -
AnimalsHornbills know which monkey calls to heed
Hornbills can tell the difference between two kinds of alarm calls given by monkeys.
By Susan Milius -
Planetary ScienceRevisiting 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.