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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.

    By Aimee Cunningham
  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 […]

    By Science News
  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.