Feature
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Health & MedicineThe New GI Tracts
For preventing heart disease, diets that control insulin are all the buzz.
By Janet Raloff -
Pushing the Mood Swings
Social and psychological forces sway the course of manic depression.
By Bruce Bower -
AstronomyLess Massive than Saturn?
Astronomers pass a milestone in the search for new worlds.
By Ron Cowen -
Materials ScienceThe Buck Starts Here
The U.S. Mint performed some neat tricks to make a golden dollar.
By Corinna Wu -
Get Rid of the Bodies
Scientists are learning how organisms safely clear out cell corpses.
By John Travis -
Materials ScienceMaterials with Memory
Metal alloys and polymers that can remember a preprogrammed shape may literally reshape technologies ranging from warfare to medicine and car repair.