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      Knowledge is Power

      Scientific American March 1999

      Visualizing Human Embryos

      A technique called magnetic resonance microscopy is revealing the secrets of early human development

      • By Bradley R. Smith on March 1, 1999

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      More in the March 1999 issue of Scientific American
      • On the Origins of Subspecies
      • Global Climate Change on Venus
      • The Metamorphosis of Andrei Sakharov
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