Computers re-create weather of an ancient supercontinent
These pastoralists are key to the future of Kenya's wildlife
Computer simulations suggest how elliptical galaxies formed
"Complexifier" Clifford Geertz ponders anthropology's future
A ban ends, and antisatellite weapons make a comeback
Wall Street is reluctant to back a resurgence of nuclear power
The discoverer of bat "sonar" thinks about animals' thoughts
Scientists ponder the role of clouds in climatic change
U.S. fusion workers chafe under security restrictions
Will fusion-energy reactors be "too complex and costly"?
"Limited" antimissile schemes are gaining in popularity
The supercollider will be built in Texas-if it is built at all
The future for space science looks bright-or does it?
Politicians hear but do not heed scientists' advice on drug abuse
Electrodes in the brain maysomeday- aid paralysis victims
As START stalls, arms controllers focus again on nuclear testing
Do the lessons of the Iranian Airbus tragedy apply to SDI?
Did the U.S. "misrepresent" a key piece of evidence?
Opposition to U.S. research in biological warfare intensifies
Can it contain our deadliest nuclear waste for 10,000 years?