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  1. Humans

    Letters from the April 1, 2006, issue of Science News

    The prion game I must quibble about the headline of the piece about chronic wasting disease in deer (“Hunter Beware: Infectious proteins found in deer muscle,” SN: 1/28/06, p. 52). “Hunter Beware” sounds ominous, but in order to get the mice to exhibit symptoms after getting muscle tissue from infected deer, it was necessary to […]

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  2. Tech

    Corralling Brownian motion

    A new microscope system uses electrically controlled fluid motions to counteract Brownian motion, preventing those random jitters from driving proteins, viruses, and other tiny objects out of the field of view.

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  3. Physics

    Tiny wires trigger electric reversal

    Ultrathin zinc nanowires exhibit a puzzling conductivity reversal that flies in the face of known wire behavior.