Uncategorized

  1. Planetary Science

    Moon spray

    The Cassini spacecraft has found conclusive evidence that the south pole of Saturn's moon Enceladus spews jets of icy particles into space.

    By Ron Cowen
  2. Physics

    Magnetic Overthrow

    Researchers have discovered and begun to exploit a fundamentally new way to exert magnetic influences, at least on extremely small scales.

    By Peter Weiss
  3. Math

    A Cabinet of Mathematical Curiosities

    Physical models of intriguing mathematical objects can add up to an enticing desktop display.

    By Ivars Peterson
  4. Humans

    From the December 21 & 28, 1935, issues

    Snow in California, outstanding 1935 achievements in science, and an expedition to Tibet.