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  1. Animals

    Poor Devils: Critters’ fights transmit cancer

    Tasmanian devils transmit cancer cells when they bite each other during routine squabbles, producing lesions that are often fatal.

    By Carolyn Gramling
  2. Humans

    Letters from the February 4, 2006, issue of Science News

    Double trouble? “Sleep apnea could signal greater danger” (SN: 11/26/05, p. 349) says that “twice as many … with sleep apnea had a stroke or died of that or another cause. …” This sounds serious, but your readers can’t correctly assign importance to “twice as many” because you omit numbers of deaths. David KollasTolland, Conn. […]

    By Science News
  3. Astronomy

    Galactic cannibalism

    A highly elongated group of stars is most likely a dwarf galaxy that is being gobbled up by the Milky Way.