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      Knowledge is Power

      Scientific American October 07, 1911

      The Action of Radium upon the Embryo

      Researches that Shed New Light Upon Fertilization

      • October 7, 1911

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      More in the October 07, 1911 issue of Scientific American
      • Prizes for Catchinǵ Flies
      • The Great Star Map—VI
      • Why the Earth Appears Concave
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