Nobel Committee Secretary General Thomas Perlmann speaks to the media in front of a picture of this year's laureates Victor Ambros and Gary Ruvkun during the announcement of the winners of the 2024 Nobel Prize in Physiology or Medicine at the Karolinska Institute in Stockholm on October 7, 2024. Ambros and Ruvkun won the prize for the discovery of microRNA and its role in how gene activity is regulated, the Nobel jury said. Photo: VCG