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Retooling the Global Positioning System

From hikers navigating with handheld locators to pilots landing in zero-visibility conditions, the Global Positioning System now serves more than 30 million users. See what's coming next

By Per Enge

Synthetic Life: Overview/Synthetic Biology

By W. Wayt Gibbs
The Myth of the Beginning of Time: Two Views of the Beginning
The Sciences

The Myth of the Beginning of Time: Two Views of the Beginning

By Gabriele Veneziano

Freud Returns

Neuroscientists are finding that their biological descriptions of the brain may fit together best when integrated by psychological theories Freud sketched a century ago

By Mark Solms


  • Making Drugs, Not Profits

  • Questions about a Hydrogen Economy

  • The Transit of Venus

  • Blue-Collars in Eclipse

  • Burning Down to Rock

  • Bush-League Lysenkoism

  • Brief Points

  • Freud Returns? Like a Bad Dream

  • Letters


  • Errata

  • Advances

    Splash of Cold Water

  • The Oil and the Otter

  • High-Temp Knockout

  • Attosecond Laser Pulses

  • More Eggs in One Basket

  • Power Sludge

  • Nonstick Sliding

  • Foreshadowing Flashes in the Planum

  • Close Calls

  • Recommended

    The Editors Recommend

  • Skeptic

    The Enchanted Glass

  • Anti Gravity

    Television Coverage

  • 50, 100 & 150 Years Ago

    50, 100 & 150 Years Ago: Deathly Dust, Living Clock and Killer Whale

  • In Brief

    Data Points: May 2004

  • Puzzling Adventures

    Jump Snatch

  • Voyages

    In the Land of the Dreamtime

  • Staking Claims

    Patents on Ice

  • Working Knowledge

    Clear Favorite

  • Insights

    Science's Political Bulldog

  • Ask the Experts

    Ask the Experts: May 2004

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May 2004

Think Outside the Gift Box