Nobel prize for medicine: US duo Ambros and Ruvkun win for discovery of microRNA Reuters.comNobel Prize in Physiology or Medicine Is Awarded to Victor Ambros and Gary Ruvkun The New York TimesWhat to Know About MicroRNA, the Nobel-Prizewinning Discovery TIMETwo Massachusetts professors awarded Nobel Prize in medicine The Boston GlobeHarvard Medical School Scientist Gary Ruvkun Receives Nobel Prize in Physiology or Medicine for Discovery of microRNA Harvard Medical School