Sweden's Svante Pääbo wins Nobel prize in medicine for work on evolution

Stockholm — This year's Nobel Prize in physiology or medicinal drug has been presented to Swedish

scientist Svante Pääbo for his discoveries on human evolution Thomas Perlmann,

secretary of the Nobel Committee, introduced the winner Monday on the Karolinska Institute

in Stockholm, Sweden Paabo, sixty seven, has spearheaded studies comparing the genome

of modern human beings and our closest extinct relatives, the Neanderthals and 

Denisovan showing that there has been mixing between the species

"By revealing genetic differences that distinguish all residing people from extinct hominins, his