For which discovery Victor Ambros and Gary Ruvkun were awarded the Nobel Prize in Medicine for the the year 2024?

Explanation
About  Nobel Prize  in  Medicine  or Physiology  2024 Co-Winners:  Victor Ambros  &  Gary Ruvkun  ( American Scientists ) They are awarded for discovery of  microRNA , which helps determine how  cells  develop and function miscroRNA  plays a key role in regulating  gene activity . Additional Information About  Nobel Prize  in Medicine  2023 Co-winners:  Katalin Kariko (Hungary)  &  Drew Weissman  (USA)  For their work which helped develop  Covid  vaccines in early  2020  *****