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  1. Humans

    Letters from the December 16, 2006, issue of Science News

    Familiar pattern I am a retired high school mathematics teacher who has quilted mathematical ideas for over 20 years. Currently, I am working on a quilt called Pascal’s Pumpkin. I was totally excited by “Swirling Seas, Crystal Balls: Spirals of triangles crinkle into intricate structures” (SN: 10/21/06, p. 266) and began to think about quilting […]

    By Science News
  2. Math

    Travels of a Shopper

    Shoppers tend to be a lot less efficient than they could be when picking up groceries at the supermarket.

    By Ivars Peterson
  3. Humans

    From the December 5, 1936, issue

    New forms of glass, a new element in space, and Einstein's automatic camera.