Scientific American Magazine

Progress on the road to regenerating major body parts, salamander-style, could transform the treatment of amputations and major wounds

Recklessly starving the world's fourth-largest lake to irrigate crops turned rich waters into a barren wasteland. Now the northern part, at least, is coming back

Graphene, a newly isolated form of carbon, provides a rich lode of novel fundamental physics and practical applications

On other worlds, plants could be red, blue, even black

A revolutionary kind of laser light called an optical frequency comb makes possible a more precise type of atomic clock and many other applications

Game theory helps to explain the pervasive abuse of drugs in cycling, baseball and other sports

Radiation monitors at U.S. ports cannot reliably detect highly enriched uranium, which onshore terrorists could assemble into a nuclear bomb