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      Digital & 4-Year Archive

      Scientific American July 1975

      The Amateur Scientist, July 1975

      Among other things, a greenhouse shade that re-creates the lighting of the Tropics

      • By C. L. Stong on July 1, 1975

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      More in the July 1975 issue of Scientific American
      • The Authors, July 1975
      • The Manipulation of Genes
      • Why Mosquito Repellents Repel
      View Full Contents
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