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    Features

    Solving the Solar Neutrino Problem

    The Sudbury Neutrino Observatory has solved a 30-year-old mystery by showing that neutrinos from the sun change species en route to the earth

    By Arthur B. McDonald, Joshua R. Klein and David L. Wark

    The Grid: Computing without Bounds

    By linking digital processors, storage systems and software on a global scale, grid technology is poised to transform computing from an individual and corporate activity into a general utility

    By Ian Foster
    The Lowdown on Ginkgo Biloba
    Tech

    The Lowdown on Ginkgo Biloba

    This popular herbal supplement may slightly improve your memory, but you can get the same effect by eating a candy bar

    By Paul E. Gold, Larry Cahill and Gary L. Wenk

    Mount Etna's Ferocious Future

    Europe's biggest and most active volcano is growing more dangerous. Luckily, the transformation is happening slowly

    By Tom Pfeiffer

    Questioning the Oldest Signs of Life

    In the past year scientists have been forced to reconsider how they identify life in the most ancient rocks on earth--and elsewhere in the solar system

    By Sarah Simpson

    Departments

    • Working Weeds

    • I, Clone

    • A Conversation with James D. Watson

    • Letters

      Letters

    • Erratum

    • Advances

      Rethinking the Shuttle

    • A Tale of Two C's

    • Foiling a Faint Sun

    • Ma's Eyes, Not Her Ways

    • Oiling up Spain

    • Out of the Woods

    • Bits through Ballistics

    • Skipping for Smarties

    • Motoring with RNA

    • Unfolding the MAP

    • Another Chance at Life

    • Recommended

      Was Light Faster in the Past?

    • Anti Gravity

      Truth in Advertising

    • 50, 100 & 150 Years Ago

      The Wily Flu ; Frozen Continent ; Fishy Aviation

    • Perspectives

      Get Real

    • In Brief

      News Briefs

    • Data Points: April 2003

    • Brief Points: April 2003

    • Puzzling Adventures

      The Graph of Life

    • Staking Claims

      Razing the Tollbooths

    • Technicalities

      Screen Writing

    • Working Knowledge

      Potent Patches

    • Departments

      Fuzzy Logic

    • Ask the Experts

      Ask the Experts: April, 2003

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    April 2003