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Features

Skin Deep

Throughout the world, human skin color has evolved to be dark enough to prevent sunlight from destroying the nutrient folate but light enough to foster the production of vitamin D

By Nina G. Jablonski and George Chaplin
Lightning Rods for Nanoelectronics: Basic Effects of High Voltages in Semiconductors
The Sciences

Lightning Rods for Nanoelectronics: Basic Effects of High Voltages in Semiconductors

By Steven H. Voldman

Vehicle of Change

It's not just about transportation: the transition to fuel-cell cars could transform energy infrastructures and developing economies while helping the environment

By Lawrence D. Burns, J. Byron McCormick and Christopher E. Borroni-Bird

The Emptiest Places

Space comes in degrees of emptiness, but even in the wasteland between galaxies it is not a complete void

By Evan Scannapieco, Patrick Petitjean and Tom Broadhurst

Technology against Terror

Biologists and engineers are devising early-warning systems that can detect a bioterrorist attack in time to blunt its effects

By Rocco Casagrande
Controlling Robots with the Mind
The Sciences

Controlling Robots with the Mind

People with nerve or limb injuries may one day be able to command wheelchairs, prosthetics and even paralyzed arms and legs by "thinking them through" the motions

By Miguel A. L. Nicolelis and John K. Chapin

The Vigilance Defense

Proven systems and well-prepared people are our best protection against bioterror

By Stephen S. Morse

Departments

  • Putting Darwin in His Place

  • The Fat Just Melts Away

  • Data Points: October 2002

  • No Strings Attached

  • Ask the Experts: October 2002

  • Letters

    Letters

  • Erratum

  • Advances

    Human-Free Kick

  • From Flush to Farm

  • The Next Wave of AIDS

  • Planetary Protection

  • A Pixelated Cosmos

  • Phylis Morrison, 1927-2002

  • "X" Marks the Spot

  • Aberration Negation

  • Sidling Up to the Rich

  • Skeptic

    The Physicist and the Abalone Diver

  • Anti Gravity

    The 2,000-Year-Old Menace

  • 50, 100 & 150 Years Ago

    Diphteria Lethality --Television's Ancient Ancestor -- A Diamond's LIfe

  • Perspectives

    Greenwashing the Car

  • In Brief

    Brief Points: October 2002

  • Puzzling Adventures

    Prime Spies

  • Profile

    Salve for the Body and Mind

  • Staking Claims

    There's No Stopping Them

  • Innovations

    Adding Sugar to Bioscience

  • By the Numbers

    Quality of Life

  • Technicalities

    Computers for the Third World

  • Working Knowledge

    Vying for Eyes

  • Departments

    Fuzzy Logic

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October 2002

See the World from a Different Perspective

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