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      Knowledge is Power

      Scientific American June 22, 1912

      On the Trail of the Subconscious

      The Byways of the Mind

      • By Joseph Jastrow on June 22, 1912

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      More in the June 22, 1912 issue of Scientific American
      • Life Phenomena Obeyinǵ the Laws of Chemical Action
      • The “Selandia”
      • A Resistinǵ Medium in Space
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