Article Photos: Nobel awarded for stem cell, early cloning work 2/11

  FILE - In this Jan. 9, 2008 file photo, Shinya Yamanaka, a Kyoto University scientist, answers questions during a press conference in Tokyo. Yamanaka and British researcher John Gurdon have won the 2102 Nobel Prize in medicine or physiology. The prize committee at Stockholm's Karolinska Institute said Monday, Oct. 8, 2012 that the two researchers won the award "for the discovery that mature cells can be reprogrammed to become pluripotent."(AP Photo/Shizuo Kambayashi, File)