German scientist Harald zur Hausen poses at the cancer research center of Heidelberg, southern Germany, after he heard he won the Nobel Medicine Prize, the first of the awards to be announced this year. French and German scientists credited with the discovery of the viruses behind AIDS and cervical cancer won the Nobel Medicine Prize, the first of the prestigious awards to be announced this year.(AFP/DDP/Thomas Lohnes) Mon Oct 6, 12:53 PM ET