The Serious Search for an Anti-Aging Pill
In government laboratories and elsewhere, scientists are seeking a drug able to prolong life and youthful vigor. Studies of caloric restriction are showing the way
The Ocean's Invisible Forest
Marine phytoplankton play a critical role in regulating the earth's climate. Could they also be used to combat global warming?
Saving Dying Languages
Linguists have known for years that thousands of the
world ¿s languages are at grave risk of extinction.
Yet only recently has the field summoned the will--and the money--to do much about it
Does Dark Matter Really Exist?
Ninety-five percent of the universe has gone missing. Or has it?
Computers without Clocks
Asynchronous chips improve computer
performance by letting each circuit run as fast
as it can
Combating the Terror of Terrorism
The psychological damage
caused by the attacks of September 11
mirrored the physical destruction and
showed that protecting the public¿s
mental health must be a component of
the national defense