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  1. Black Holes in the Bathtub

    Scientists observe Hawking radiation in unexpected materials.

    By Marissa Cevallos

  2. Continental Hearts

    Ancient expanses called cratons pose a geological puzzle

    By Charles Petit

  3. Genetic Dark Matter

    Searching for new sources to explain human variation.

    By Tina Hesman Saey

  4. Science Future for December 18, 2010

    December 26 Schenectady Museum in New York explores why bikes stand up. See www.schenectadymuseum.org December 27 Author John Monahan signs copies of They Called Me Mad at the National Air and Space Museum. See www.nasm.si.edu January 10 Deadline to submit original wake-up music for NASA’s final space shuttle mission. Go to https://songcontest.nasa.gov

    By Science News

  5. Science Past from the issue of December 17, 1960

    HEAVY SHIELD UNNECESSARY — Heavy shielding as protection for an astronaut against space radiations may not be necessary, at least for trips of less than 50 hours and at distances not greater than 618 miles from earth….