News

  1. Earth

    Killer weather on Mount Everest

    An analysis of weather patterns around Mount Everest in May 1996, when eight climbers died, suggests that a sudden drop in barometric pressure may have played a significant role in the deaths.

    By Sid Perkins
  2. Health & Medicine

    Breast milk may lower cholesterol

    Feeding a newborn baby breast milk instead of formula during the first month of life improves the child's cholesterol readings later on.

    By Nathan Seppa
  3. Astronomy

    Oddball asteroid

    Astronomers have discovered an asteroid that takes only 6 months to go around the sun.

    By Ron Cowen
  4. Chemistry

    Chemical Knot: Scientists assemble legendary symbol by interlocking molecules

    Chemists have constructed a molecular version of a Borromean knot.