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The Galileo Mission

From orbit around Jupiter, the Galileo spacecraft will take the closest look ever at the planet and its natural satellites

By Torrence V. Johnson

Cystic Fibrosis

The genetic defects underlying this lethal disease have now been shown to eliminate or hobble a critical channel through which a constituent of salt enters and leaves cells

By Michael J. Welsh and Alan E. Smith

The Leaning Tower of Pisa

The famous tower has been tilting since the 12th century. Now engineers are using 20th-century technology in hopes of saving the ancient landmark

By Paolo Heiniger

Giant Earthquakes of the Pacific Northwest

The danger of a very large earthquake striking the coast between northern California and British Columbia proves much greater than suspected

By Roy D. Hyndman

How Breast Milk Protects Newborns

Some of the molecules and cells in human milk actively help infants stave off infection

By Jack Newman

The Puzzle of Conscious Experience

Neuroscientists and others are at last plumbing one of the most profound mysteries of existence. But knowledge of the brain alone may not get them to the bottom of it

By David J. Chalmers

Confidential Communication on the Internet

Cryptography gives people the ability to authenticate the identity of their correspondents, the first step in establishing trust

By Thomas Beth

Fighting Future Wars

U.S. military planners hope to rely on improved versions of the technologies tested in the Gulf War to help fight the next Saddam Hussein. They may be preparing for the wrong conflict

By Gary Stix


  • Letters to the Editors, December 1995

  • Plug and Play

  • The Anthropomorphic Principle

  • The Scientific American Young Readers Book Awards

  • From the Editor

    Letter from the Editor, December 1995

  • Anti Gravity

    Home, Sweet Home

  • 50, 100 & 150 Years Ago

    50, 100 and 150 Years Ago: Atomic Energy Suitability, Carbon-Hydrogen Gas and Counting Comets

  • Profile

    The Mathematical Gamester

  • Amateur Scientist

    Measuring the Metabolism of Small Organisms

  • Science and the Citizen

    Tempest on the High Sea

  • A Sign is Born

  • Great Expectations

  • Crime and Punishment

  • You may already be a Wiener

  • And Those Other Ig Winners are...

  • About Face

  • The Struggle Within

  • Buy High, Sell Low

  • Some like It Hot

  • By the Numbers


  • Connections

    Top to Bottom

  • Departments

    The Confusing Price Index

  • Annual Index 1995

  • The Endangered Piano Technician

  • Technology and Business

    The GOP Strikes Back

  • Artificial Art

  • Free-for-All Flights

  • Nice Legs

  • Putting Greens

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December 1995