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      Knowledge is Power

      Scientific American August 1997

      Glandular Gifts

      The way to a katydid's heart is throughher stomach

      • By Darryl T. Gwynne on August 1, 1997

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      More in the August 1997 issue of Scientific American
      • A Blue Note
      • Parental Discretion Advised
      • Space Age Archaeology
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