Tech
Computers without Clocks
Asynchronous chips improve computer performance by letting each circuit run as fast as it can
Features
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...
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?
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
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?
Departments
- Letters
Letters
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Crop Circle Confession
Nuclear Reactions
Coherent Computing
From Mouth to Mind
A Push from Above
Killing the Messenger
Eye on the Brain
Stephen Jay Gould, 1941–2002
What Lies Beneath
Mechanical Reactions
Only the Best
- 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
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Soft Manufacturing
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Down on the Farm
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Machine Chic
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Safety at a Cost
- Departments
Fuzzy Logic
- Ask the Experts
Ask the Experts: August 2002
