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      November 1, 1973The Sciences

      The Evolution of the Pacific

      Deep-sea drilling shows that the bottom of the western Pacific basin is different from the bottom of the eastern basin. The slow movement of the crust underlying the basin seems to account for the difference...
      September 1, 1983The Sciences

      Books, September 1983

      The Mediterranean desert, Christopher Wren, monstrous growths, and industrial chemistry
      October 6, 2016Environment

      Industry Gas Leaks Improve

      Tests show that technology can control methane emissions
      April 30, 2001The Sciences

      Cutting the Cord

      For billions of years the sun has steadily provided vast amounts of energy. Are we ready to tap into this resource?
      November 29, 2016Policy & Ethics

      Trump’s First 100 Days: Climate and Energy

      The incoming administration could quickly withdraw the U.S. from international climate change agreements, but domestic change is likely slower
      September 24, 2012Sustainability

      What Will Ice-Free Arctic Summers Bring?

      This summer's record melt suggests the Arctic may lose its ice cap seasonally sooner than expected. What impacts can we expect?
      September 1, 1935The Sciences

      Tumbling Caissons

      Caissons Constructed Upside Down on Ways, Launched, Built Up, Turned Over, Sunk in Clay, Workmen Inside Excavate Water Bed
      January 1, 1959The Sciences

      Science and the Citizen: January 1959

      December 1, 1958The Sciences

      Science and the Citizen: December 1958

      October 1, 1995Tech

      Demolition by Implosion

      Detonation of small quantities of strategically placed explosives can demolish an unwanted high-rise in a matter of seconds
      September 1, 1969The Sciences

      The Continental Shelves

      The shallow regions adjacent to the continents are equal in extent to 18 percent of the earth's total land area. They are alternately exposed and drowned as the continental glaciers advance and retreat...
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