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      Memorial Day Sale

      Scientific American October 1999

      TO BOLDLY GROW...

      A new technique for altering genes could bring improved crops

      • By Tim Beardsley on October 1, 1999

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      More in the October 1999 issue of Scientific American
      • Modeling the Atomic Universe
      • A Matter of Degrees
      • Nitrogen: The Dark Side
      View Full Contents
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