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      Knowledge is Power

      Scientific American January 13, 1917

      Palæontology

      Its Aims and Methods

      • By D. M. S. Watson on January 13, 1917

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      More in the January 13, 1917 issue of Scientific American
      • Enzymes—Substances which Transform Food into Body Constituents
      • Refractory Materials—I
      • Thermalene, a Substitute for Acetylene
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