Feature

  1. Health & Medicine

    The New GI Tracts

    For preventing heart disease, diets that control insulin are all the buzz.

    By Janet Raloff

  2. Pushing the Mood Swings

    Social and psychological forces sway the course of manic depression.

    By Bruce Bower
  3. Astronomy

    Less Massive than Saturn?

    Astronomers pass a milestone in the search for new worlds.

    By Ron Cowen
  4. Materials Science

    The Buck Starts Here

    The U.S. Mint performed some neat tricks to make a golden dollar.

    By Corinna Wu

  5. Get Rid of the Bodies

    Scientists are learning how organisms safely clear out cell corpses.

    By John Travis
  6. Materials Science

    Materials with Memory

    Metal alloys and polymers that can remember a preprogrammed shape may literally reshape technologies ranging from warfare to medicine and car repair.