The 2012 Nobel Prize for Medicine has been won by Shinya Yamanaka of Japan and John Gurdon of Britain, the two scientists worked on a nuclear process that tells adult stems selves in the body, how to form new stem selves. Stem selves maybe used to create any type of tissue in the body, Mr Yamanaka teaches in * university in Japan, Mr Gurdon teaches at Gurdon's institute in Cambridge, England. Other Nobel Prize winners will be announced during the next two weeks