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  1. 19174

    I scuba dive, and I’ve noticed that when the current is brisk through some coral formations, small swirls behave exactly as dust devils. Would the researchers predict that any magnetic phenomena could be produced by silt in salt water? Lindsey Randal Potts San Antonio, Texas Probably not, says William M. Farrell of NASA. Any charges […]

    By Science News
  2. Earth

    Dust devils produce magnetic fields

    Scientists who chase dust devils report that the tiny twisters can produce a small magnetic field that changes magnitude between 3 and 30 times per second.

    By Sid Perkins

  3. 19214

    Your article refers to “the current theory that high intelligence arises from the coating of brain cells with especially large amounts of the fatty substance called myelin.”