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      Spring Flash Sale

      Scientific American May 2000

      A New Rex

      The biggest meat eater of them all bolsters the theory of pack hunting

      • By Eric Niiler on May 1, 2000

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      More in the May 2000 issue of Scientific American
      • Curiosity Rhymed the Cat
      • 50, 100 & 150 Years Ago: Early Robots, Burst Bubbles and Old Mummies
      • From Power Lines to Pantyhose
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