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  1. Materials Science

    Caught on Tape: Gecko-inspired adhesive is superstrong

    Researchers have emulated a gecko's sticking power to create a superstrong adhesive.

    By Sorcha McDonagh
  2. Math

    A Dog, a Ball, and Calculus

    Some dogs live to play fetch, especially if the object of interest is a favorite tennis ball or toy. Others, like ours, fetch only when the reward is a particularly tantalizing tidbit. At least one dog, however, appears to take the enterprise seriously enough to figure out an optimal path to the target. Elvis and […]

    By Ivars Peterson
  3. Math

    A Dog, a Ball, and Calculus

    Some dogs live to play fetch, especially if the object of interest is a favorite tennis ball or toy.