October 5, 2002 | Science News



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  • News

    Challenges in testing for West Nile virus

    The Food and Drug Administration is trying to figure out how blood banks can detect signs of West Nile infection in blood donors and, eventually, test donated blood for the virus itself.
  • News

    Iceman mummy shares last meals

    DNA analyses of food remains from the intestines of a 5,000-year-old mummified man found in Europe's Tyrolean Alps indicate that his last two meals included meat from mountain goats and red deer, as well as wild cereals.
  • News

    Beads and glue defeat forgers

    Researchers have devised a cheap, translucent material that, when embedded in credit cards and other items, would endow the items with unique identifiers that are almost impossible to tamper with or copy.
  • News

    Moderate flows help carve rivers

    Measurements of erosion in a rocky river channel in Taiwan suggest that the day-to-day flow of water accounts for more rock wear there than occasional catastrophic floods do.
  • Feature

    Ribbon to the Stars

    Advances in one of the tiniest of technologies—carbon nanotubes—is bringing the concept of a space elevator closer to reality.
  • Feature

    A Man's Job

    Sperm contain an unexpected payload of RNA, a discovery offering insight into infertility, cloning, and contraception.
    15 years ago