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  • 24 Mar 2000

    WASHINGTON, D.C.--NASA announced today it will euthanize an ailing but successful satellite.

  • 14 Mar 2000

    Taxi drivers in London are an elite bunch: The law requires them to memorize thousands of streets and places and know how best to navigate between them at a given time of day. You'd think this mastery of geographic trivia would go to their heads.

  • 25 Feb 2000

    When it's healthy, the brain protects itself from the riffraff that circulates in the bloodstream by means of a guard membrane. This so-called blood-brain barrier keeps out uninvited guests--until a stroke or other trauma breaks it down.

  • 31 Jan 2000

    After 5 years of bitter negotiations, delegates from 130 countries finally hammered out a global treaty that will govern the trade of genetically modified organisms (GMOs).

  • 28 Jan 2000

    The deadliest tumors seed the body with sloughed cells, which can take root and form new tumors. Researchers have now identified a family of proteins, called Snail, that helps cancer cells pull up stakes.

  • 21 Jan 2000

    Faculty members can get their hackles up when they see administrators trying to force online instruction into the curriculum.

  • 11 Jan 2000

    New evidence implicates a virus in amyotrophic lateral sclerosis (ALS), the disease that killed baseball great Lou Gehrig and afflicts cosmologist Stephen Hawking. Researchers didn't catch the virus red-handed--they can't say for sure that it causes ALS.

  • 10 Jan 2000

    New York Governor George Pataki has proposed a new institute devoted to river and estuary research.

  • 7 Jan 2000

    A new analysis of old studies has sparked a debate over whether using mammograms to screen women for breast cancer saves lives.

  • 5 Jan 2000

    When twisted into abnormal shapes, short proteins called prions may cause a range of diseases that turn their victims' brains into something resembling a sponge before killing them.

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