By Niklas Pollard, Ludwig Burger and Jonathan Allen STOCKHOLM (Reuters) - U.S. scientists Victor Ambros and Gary Ruvkun won the 2024 Nobel Prize in Medicine on Monday for the discovery of microRNA and

This isn't the first time RNA has been honored recently. The molecule has been something of a scientific darling of late: last year, Katalin Kariko and Drew Weissman were awarded the Nobel Prize in Physiology or Medicine for their fundamental discovery that made mRNA-based vaccines possible, a development that transformed the COVID-19 pandemic.

STOCKHOLM -- Two scientists won the Nobel Prize in physiology or medicine on Monday for their discovery of microRNA, tiny bits of genetic material that serve as on and off switches inside cells that help control what the cells do and when they do it.