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 Times2 scientists snag Nobel in medicine for discovering 'microRNAs' Livescience.comTwo Massachusetts professors awarded Nobel Prize in medicine The Boston GlobeVictor Ambros, researcher at UMass Chan Medical School in Worcester, wins Nobel Prize Worcester Telegram