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  1. Math

    Extreme Tides

    If Earth had been somewhat larger, it’s possible that it would not have survived tides induced by its moon or even by an encounter with a passing asteroid. That’s one scenario suggested by a recent investigation of a venerable equation that serves as a model for planetary tidal effects. Tidal effects are caused by the […]

    By Ivars Peterson
  2. Humans

    Letters

    Letters from the Jan. 17, 2004, issue of Science News.

    By Science News
  3. Humans

    From the January 13, 1934, issue

    alt=”Click to view larger image”> PROVING THAT BABY CAN SEE “Can he see me?” This is often the first question asked by the young mother when she looks at the depths of solemn mystery in the eyes of her newborn baby.