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  1. Health & Medicine

    Aerial War against Disease

    Researchers around the world are catching on to the idea of using satellites to predict where diseases may strike.

    By John Pickrell
  2. Math

    The EKG Sequence

    Sequences of numbers have long fascinated both amateur and professional mathematicians. Many people are familiar with the Fibonacci sequence, in which each new term is the sum of the previous two terms: 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, and so on. More than 69,000 other sequences of interest to mathematicians […]

    By Ivars Peterson

  3. From the April 2, 1932 issue

    TELETYPEWRITERS CAN NOW BE USED IN HOME On the cover of this issue of the Science News Letter is shown a portion of the mechanism of the teletypewriter, a hybrid medium of communication.