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  1. Humans

    Letters from the July 14, 2007, issue of Science News

    At least a few years to prepare “Northern Exposure: The inhospitable side of the galaxy?” (SN: 4/21/07, p. 244) posits that every 64 million years a mass die-off occurs due to increased cosmic rays. When will the cosmic rays again be at their maximum? Robert RichardsMetairie, La. The article failed to mention when the next […]

    By Science News
  2. Humans

    From the July 3, 1937, issue

    A spectacular freak photograph of a solar eclipse, meteorites as the remnants of lost planets, and inducing dropsy in animals.

    By Science News
  3. Ecosystems

    Sawfish Central

    Sawfish will soon be getting United Nations protection from exploitation.