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  1. Tech

    Virus has the Midas touch

    Researchers have recruited a stringlike virus to carry nanoscale loads of gold that could serve as imaging agents in cancer diagnosis.

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  2. Humans

    Letters from the February 11, 2006, issue of Science News

    Preventive measure? Regarding “Rare but Fatal Outcome: Four deaths may trace to abortion pill” (SN: 12/3/05, p. 358), would it be possible for an antibiotic to be included with the RU-486 package to prevent a Clostridium sordellii infection? Like millions of other people, I have to take an antibiotic prior to dental procedures to prevent […]

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  3. Earth

    Prions’ dirty little secret

    The malformed proteins responsible for mad cow disease bind tightly to clay, a finding that points to farm soil as a potential long-term reservoir for these infective agents.