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Your search has returned 2 articles:
  • Feature

    Armor-Plated Puzzle

    A few years after Francis H. Crick and James D. Watson unveiled the structure of DNA in 1953, they rocked the fledgling field of molecular biology again with a bold notion: Viruses are, in part, structured as crystals are. That idea captivated Donald L.D. Caspar and Aaron Klug, who then systematically applied what they knew about crystal geometry to classify and predict the structures that...

    08/29/2005 - 10:49 Numbers
  • News

    Contraceptive-Patch Worry: Disposal concern focuses on wildlife

    Lately, television commercials in Europe and the United States have shown scantily clad women sporting the latest accessory–a contraceptive patch. Impregnated with the same synthetic estrogen that's in birth-control pills, these plastic bandages are worn for a week and then tossed. Some scientists now worry that because the discards still contain plenty of the hormone, sending them down...

    10/16/2002 - 11:39 Earth & Environment