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Mitochondrial DNA in Aging and Disease

Defects in DNA outside the chromosomes--in cell structures called mitochondria--can cause an array of disorders, perhaps including many that debilitate the elderly

By Douglas C. Wallace

Lightning Control with Lasers

Scientists seek to deflect damaging lightning strikes using specially engineered lasers

By Jean-Claude Diels, Ralph Bernstein, Karl E. Stahlkopf and Xin Miao Zhao

Lightning between Earth and Space

Scientists discover a curious variety of electrical activity going on above thunderstorms

By Stephen B. Mende, Davis D. Sentman and Eugene M. Wescott

Space Age Archaeology

Remote-sensing techniques are transforming archaeology. Excavations may become less essential as researchers explore hiddensites and examine buried artifacts without unearthing them...

By Farouk El-Baz

Glandular Gifts

The way to a katydid's heart is throughher stomach

By Darryl T. Gwynne

The Top-Secret Life of Lev Landau

KGB archives reveal that the Soviet genius co-authored an anti-Stalin manifesto

By Gennady Gorelik

The Machinery of Thought

Studies of the brains of monkeys and, more recently, of humans are revealing the neural underpinnings of working memory, one of the mind's most crucial functions


  • From the Editor

    Current Events

  • Letters

    Letters to the Editors, August 1997

  • Recommended

    Reviews and Commentaries-- The Future of the Past

  • Anti Gravity

    Space Invaders

  • 50, 100 & 150 Years Ago

    50, 100 and 150 Years Ago: Oil Wells at Sea, Klondike Gold Rush and Power of Magnets

  • Wonders

    1997: Subatomic Centenary

  • In Brief

    In Brief, August 1997

  • Profile

    Dark Prophet of Biogenetics

  • Mathematical Recreation

    Empires on the Moon

  • Amateur Scientist

    Getting a Charge out of Rain

  • Science and the Citizen

    A Blue Note

  • Return of the Space Snowballs

  • Frankly, My Dear, I Don't Want a Dam

  • By the Numbers

    Plants at Risk in the U.S.

  • Connections

    Lucky he Missed

  • Optical Fibers--Working Knowledge

  • Cyber View

    Parental Discretion Advised

  • Field Notes

    Play Time and Space

  • Technology and Business

    Command and Control

  • Making Light Work

  • Farming with Lint

  • Getting the Dirt on Dirt

  • A Cold for Cancer

  • In Focus

    Science's Survival Strategy

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