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When Science Takes the Witness Stand

In courts of law, forensic. testimony often goes unchallenged by a scientifically naive legal community. Forensic methods must be screened with greater care if justice is to be served

By Neville Colman and Peter J. Neufeld

Adoptive Immunotherapy for Cancer

Also called cell-transfer therapy, it is one of a new class of approaches being developed to strengthen the innate ability of the immune system to fight cancer

By Steven A. Rosenberg

Trends in Transportation: The Shape of Things to Go

Automakers turn to high technology in the search for a car that is clean, safe—and fun

By Karen Wright

The Spawning of the Capelin

This fish lays its eggs on Newfoundland's beaches, where the hatchlings linger for up to a week. They leave the land for the sea in response to complex signals conveyed by wind and water

By Kenneth T. Frank and William C. Leggett

High-Performance Parachutes

Modern theories of aerodynamics, advanced materials and computer analysis have made possible parachutes that can decelerate a capsule from supersonic speeds to a snail's pace in a matter of seconds

By Carl W. Peterson

High Fertility in Sub-Saharan Africa

Birth rates and population growth have begun to decline everywhere else in the developing world. What makes this region different?

By John C. Caldwell and Pat Caldwell

Departments

  • 50 and 100 Years Ago: May 1990

  • Second Opinion

  • Open Skies

  • Can't Get There From Here

  • Murky Water

  • Go with the Grain

  • Cool Breeze

  • Now you see it ...

  • Snail Tale

  • Reach Out and Touch . . .

  • Tainted Feed, Mad Cows

  • Through a Glass, Darkly

  • An Antidrug Message gets its Facts Wrong

  • Radiation Risks Revisited

  • Free Radical

  • The Solar-Neutrino Problem

  • Archaeopteryx

  • Bright Future

  • Trick of the Tongue

  • Putting Down Roots

  • Cancer Catcher

  • Play it Again, WABOT

  • Letters

    Letters to the Editors, May 1990

  • Recommended

    Books, May 1990

  • Mathematical Recreation

    Mathematical Recreations, May 1990

  • Departments

    The Analytical Economist: Green Economists

  • Essay: Time to Unshackle U.S. Competitive Strengths

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May 1990

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