Science and technology

Associated Press
Sandra Palomino, director of historical manuscripts at Heritage Auctions, holds the1962 Nobel Prize for Physiology or Medicine awarded to Dr. Francis Harry Compton Crick, Wednesday, April 10, 2013 in New York.  On Thursday, the molecular biologist's medal and accompanying diploma will be sold by Heritage Auctions, which estimates it could fetch at least $500,000.  (AP Photo/Bebeto Matthews)

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