News
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EarthGlobal Impact: Space object may have spread debris worldwide
Sediments laid down about 3.47 billion years ago in what are now western Australia and eastern South Africa contain remnants of what may have been an extraterrestrial-object impact large enough to disperse debris over the entire planet.
By Sid Perkins -
Anthrax Stopper: Viral enzyme detects, kills bacterium
A virus that preys upon the anthrax bacterium produces an enzyme that can be exploited to detect and kill the biowarfare agent.
By John Travis -
MathMath Prizes: Honors for connecting number theory, geometry, and algebra
Fields Medals were awarded to two mathematicians, Laurent Lafforgue and Vladimir Voevodsky, who forged new links between different branches of mathematics.