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Features

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

By Mark A. Lane, Donald K. Ingram and George S. Roth

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?

By Paul G. Falkowski

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

By W. Wayt Gibbs

Computers without Clocks

Asynchronous chips improve computer performance by letting each circuit run as fast as it can

By Ivan E. Sutherland and Jo Ebergen

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

By Ezra S. Susser, Daniel B. Herman and Barbara Aaron

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