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  1. Tech

    Cranberry aid for assay

    Cranberry juice, often used to stave off urinary-tract infections caused by Escherichia coli, also keeps the bacterium from reducing a biosensor's specificity.

    By Aimee Cunningham
  2. Humans

    Letters from the January 21, 2006, issue of Science News

    D. Durda, FIAAA/B612 Foundation Push, pull, zap, drench I’m surprised that NASA envisions an absurdly massive, nuclear-powered “gravitational tug” to avoid “the biggest problem” of a contact-tug’s need to “fir[e] its rocket engine only at specific times” to compensate for an asteroid’s rotation (“Protecting Earth: Gravitational tractor could lure asteroids off course,” SN: 11/12/05, p. […]

    By Science News
  3. Archaeology

    Getting a read on early Maya writing

    Excavators of a pyramid in northeastern Guatemala announced the discovery of the earliest known Maya writing.