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Firearms, Violence and Public Policy

More guns mean more deaths from crime and accidents. Yet in the u.s. many laws that regulate firearms are misdirected and ineffective. What we don't know about gun control can hurt us

By Franklin E. Zimring

The Nuclear Equation of State

By describing how nuclear matter behaves at various temperatures and pressures, the equation offers a glimpse of new phases of matter and conditions inside a supernova or during the big bang...

By Hans Gutbrod and Horst Stöcker

Amyloid Protein and Alzheimer's Disease

When this protein fragment accumulates excessively in the brain, Alzheimer's disease may be the result. Understanding how that fragment forms could be the key to a treatment

By Dennis J. Selkoe

Chromoskedasic Painting

It is a novel method for producing color images on black-and-white photographic paper without using pigments or dyes

By Dominic Man-Kit Lam and Bryant W. Rossiter


Millions of lasers measuring just a few millionths of a meter can now be etched on a single chip, offering a host of novel applications in optical communications and information processing...

By Jack L. Jewell, James P. Harbison and Axel Scherer

Cultured Cells for the Treatment of Disease

The successful growth of human skin cells in culture has made it possible to restore epidermis after severe burns and other forms of damage

By Howard Green

Genes, Peoples and Languages

The family tree relating human populations corresponds to another relating the languages of the world. Both trees imply a series of migrations; the biological evidence indicates a homeland in Africa...

By Luigi Luca Cavalli-Sforza

Mirroring the Cosmos

A new generation of telescopes that embrace huge light-collecting mirrors and cunning optical technology promises a tremendous leap in astronomers' ability to explore the universe.

By Corey S. Powell


  • 50 and 100 Years Ago: November 1991

  • Red Alert

  • Atomic Turn-on

  • Are Species Specious?

  • Dyslexia: A Problem of Timing

  • Murder Mystery

  • Big Bang

  • Quantum Pinball

  • Endless Endgame?

  • The Pied Piper of Superstrings

  • Brain, Food

  • Sustainable Jobs

  • Skinside Out

  • Plastic for the '90s

  • Human Spec Sheet

  • Letters


  • Letters to the Editors, November 1991

  • Recommended

    Book Reviews, November 1991

  • Amateur Scientist

    Painting in Color without Pigments

  • Departments

    No Accounting for Disaster

  • Animal Thinking

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