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  1. Planetary Science

    Meteorite on Mars

    One of the twin rovers on Mars has discovered the first meteorite ever found on a planet other than Earth.

    By Ron Cowen
  2. Humans

    Letters from the February 12, 2005, issue of Science News

    Short end of the chromosome Since “women with chronically ill children generally reported more stress” and since “there was a very striking connection between stress and telomere length” (“Stressed to Death: Mental tension ages cells,” SN: 12/4/04, p. 355), isn’t it probable that there is a strong connection between telomere length and becoming the parent […]

    By Science News
  3. Humans

    From the February 9, 1935, issue

    A new type of sailboat, the most distant nebula, and germs on drinking glasses.