Skip to main content

Features

Next-Generation Compact Discs

A novel agreement among competing electronics companies has delivered an innovative plan for compatible "DVD" products--the first are due out this fall

By Alan E. Bell

Sunlight and Skin Cancer

Although most skin cancers appear in older people, the damage often begins decades earlier, when the sun's rays mutate a key gene in a single cell

By David J. Leffell and Douglas E. Brash

The Nature of Space and Time

Two relativists present their distinctive views on the universe, its evolution and the impact of quantum theory

By Stephen W. Hawking and Roger Penrose

The Mother of Mass Extinctions

Disaster struck 250 million years ago, when the worst decimation in the earth's history occurred. Called the end-Permian mass extinction, it marks a fundamental change in the development of life

By Douglas H. Erwin

Who Owns Digital Works?

Computer networks challenge copyright law, but some proposed cures may be as bad as the disease

By Ann Okerson

Exoskeletal Sensors for Walking

To move their limbs, cockroaches, crabs and spiders rely on organs in their exoskeletons that act as strain gauges. Their method of locomotion could facilitate the design of multilegged robots

By Sasha N. Zill and Ernst-August Seyfarth

Departments

  • Letters to the Editors, July 1996

  • Blue-Laser CD Technology

  • The Hidden World of Surgery

  • From the Editor

    Glimpses of the Familiar but Unknown

  • Recommended

    Reviews and Commentaries--An Anthropologist's Attic

  • Anti Gravity

    Wonderful Town

  • 50, 100 & 150 Years Ago

    50, 100 And 150 Years Ago: Radio Transmission in Space, The Biological Survey and Gas Lamps Ignited by Electricity

  • Wonders

    Gutless

  • In Brief

    In Brief, July 196

  • Profile

    Pushing the Envelope for Vaccines

  • Mathematical Recreation

    Arithmetic and Old Lace

  • Amateur Scientist

    Covert Observations of Nesting Sparrows

  • Science and the Citizen

    Pot Luck

  • Mirror, Mirror

  • Pink Gold

  • Group Think

  • Triassic Bug

  • By the Numbers

    The Changing Quality of Life

  • Working Knowledge

    Working Knowledge on Halogen Lights

  • Connections

    Folies de Grandeur

  • Cyber View

    New Stars for the New Media

  • Field Notes

    Headshrinker Convention

  • Technology and Business

    Light Work

  • Treble Vision

  • Panacea Lost?

  • The Underwater Lightness of Being

  • Keeping the "Tiger" at Bay

  • Leaf it to Them

  • In Focus

    Waking Up

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
July 1996

See the World from a Different Perspective

Subscribe to Scientific American MIND