Nobel Prize in medicine honors American duo for their discovery of microRNA 

Nobel Committee Secretary-General Thomas Perlmann speaks to the media in front of a picture of this year's laureates in physiology or medicine, Victor Ambros and Gary Ruvkum, at the Karolinska Institute in Stockholm, Oct. 7, 2024.

The Nobel Prize in physiology or medicine was awarded Monday to Americans Victor Ambros and Gary Ruvkun for their discovery of microRNA, tiny pieces of genetic material that alter how genes work at the cellular level and could lead to new ways of treating cancer.