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      Knowledge is Power

      Scientific American August 04, 1917

      Shall We Eat Corn Meal?

      A Question of World Economics

      • By M. Helen Keith on August 4, 1917

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      More in the August 04, 1917 issue of Scientific American
      • The Electrical Properties of Gases—IV
      • Alcohol from Carbide in Switzerland
      • Conditions of the Moon
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