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  1. Earth

    Ozone flares with fireworks festivities

    Holiday fireworks and sparklers trigger ozone-generating chemical reactions in the lower atmosphere.

    By Jessica Gorman
  2. Health & Medicine

    Critical Care: Sugar Limit Saves Lives

    Strictly controlling blood-sugar concentrations in critically ill patients can reduce deaths by a third.

    By Damaris Christensen

  3. From the June 27, 1931, issue

    LARGER MERCURY VAPOR ELECTRIC GENERATING UNIT BEING BUILT A new and larger turbine electric generator that will use mercury vapor instead of steam and will consume less fuel than corresponding modern steam plants is being constructed in the General Electric Company plant at Schenectady, N.Y. This 20,000-kilowatt turbine will have twice the output of the […]

    By Science News
  4. Chemistry

    Perfecting Porosity

    Researchers are designing novel porous materials that could clean up toxins, store gases, or catalyze difficult chemical reactions.