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  1. Math

    Mathematical Art on Display

    The term “mathematical art” usually conjures up just one name–that of Dutch graphic artist M. C. Escher (1898–1972). Many people are familiar with Escher’s endless staircases, hyperbolic tilings, Möbius ants, intricate tessellations, and other creations. They may also be aware of the intertwining of mathematics and art during the Renaissance, with the development of perspective […]

    By Ivars Peterson

  2. 19233

    Good grief, I can’t believe this is a surprise that dinosaurs were cannibals. Frogs eat frogs. Rabbits eat their young. We can go on for quite a time enumerating mammals (including people), reptiles, birds, and insects that eat their own. The surprise is finding ones that aren’t cannibals. Barbara BennettPreston, Md.