When scientists win the Nobel Prize in Physiology or Medicine, they typically thank family and colleagues, maybe their universities or whoever funded their research. This year, as the molecular biologist Gary Ruvkun accepted the most prestigious award of his career, he spent a few minutes lauding his experimental subject: a …
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Victor Ambros and Gary Ruvkun were awarded the Nobel Prize in Physiology or Medicine on Monday for the discovery of microRNA, a tiny class of RNA molecules that play a crucial role in determining how organisms mature and function — and how they sometimes malfunction. Working with curious, millimeter-size roundworms …
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Rain may have been an essential ingredient for the origin of life, according to a study published on Wednesday. Life today exists as cells, which are sacs packed with DNA, RNA, proteins and other molecules. But when life arose roughly four billion years ago, cells were far simpler. Some scientists …
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