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Features

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
Computers without Clocks
Tech

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

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
The Serious Search for an Anti-Aging Pill
Health

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

Departments

  • Combating the Terror of Terrorism

  • Does Dark Matter Really Exist?

  • Letters

    Letters

  • Errata

  • Advances

    A Push from Above

  • Coherent Computing

  • Crop Circle Confession

  • From Mouth to Mind

  • Killing the Messenger

  • Nuclear Reactions

  • Stephen Jay Gould, 1941–2002

  • Eye on the Brain

  • What Lies Beneath

  • Only the Best

  • Mechanical Reactions

  • Recommended

    Riffs on General Relativity

  • Skeptic

    Why ET Hasn't Called

  • Anti Gravity

    Poultry and Poetry

  • 50, 100 & 150 Years Ago

    50, 100 & 150 Years Ago

  • Perspectives

    A Real Pain

  • In Brief

    Data Points: August 2002

  • Brief Bits: August 2002

  • Puzzling Adventures

    Repellanoids

  • Profile

    The Billionaire Conservationist

  • Staking Claims

    Deep-Sixing the Submarine Patent

  • Innovations

    Soft Manufacturing

  • By the Numbers

    Down on the Farm

  • Technicalities

    Machine Chic

  • Working Knowledge

    Safety at a Cost

  • Departments

    Fuzzy Logic

  • Ask the Experts

    Ask the Experts: August 2002

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