Kyoto University Professor Shinya Yamanaka, right, is greeted by the university's President Hiroshi Matsumoto at the end of Yamanaka's news conference at the university in Kyoto, Japan, Monday night, Oct. 8, 2012. Yamanaka and British researcher John Gurdon won this year's Nobel Prize in physiology or medicine. (AP Photo/Kyodo News) JAPAN OUT, MANDATORY CREDIT, NO LICENSING IN CHINA, FRANCE, HONG KONG, JAPAN AND SOUTH KOREA
