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  1. Humans

    Letters from the February 17, 2007, issue of Science News

    Fear factor In response to “The Predator’s Gaze” (SN: 12/9/06, p. 379), I write as a psychiatrist and a mother. My ex-husband is now in prison, and my son likely carries the genes of sociopathy. The quality of fearlessness mentioned in the article seems to be one of the temperamental traits most associated with the […]

    By Science News
  2. Math

    Divide-and-Conquer Multiplication

    The most efficient way to multiply two large numbers is often far from obvious.

    By Ivars Peterson
  3. Humans

    From the February 6, 1937, issue

    Cause of floods revealed and bending light to view distant galaxies.