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  1. Humans

    From the August 20, 1932, issue

    HYDROGEN REMAKES PETROLEUM INTO MORE USEFUL PRODUCTS Hydrogen, lightest of the elements, is a wonder-worker in industrial chemistry. The pushing of more hydrogen into substances, called hydrogenation, makes fluid vegetable oils into synthetic hard fats, carbon monoxide into useful methanol or “wood alcohol,” coal into lubricating oil and gasoline, and poor lubricating oil into superior […]

    By Science News
  2. Math

    Math Prizes: Honors for connecting number theory, geometry, and algebra

    Fields Medals were awarded to two mathematicians, Laurent Lafforgue and Vladimir Voevodsky, who forged new links between different branches of mathematics.

    By Ivars Peterson
  3. Physics

    Relativity and Gravitation

    Learn more about the hot Big Bang, relic radiation, black holes, cosmic strings, inflation, and other topics at the frontiers of cosmology research.