The 2023 Nobel prizes honour work that touched millions of lives

THE COMMITTEESDNARNA which award the Nobel prizes are hard to second-guess. Last year, for instance, the prize in physiology or medicine went to , a pioneer of the study of fossil , which has shed much light on human evolution.A worthy winner. But some thought the choice an odd one in light of the covid-19 pandemic that had ravaged the world. This year the Karolinska Institute in Stockholm, which awards the prize, made amends. It awarded it to Katalin Karikó and Drew Weissman, who, working at the University of Pennsylvania, helped pioneer the m vaccines that were deployed, in record time, against the coronavirus. It was they who worked out how to stop the molecule at the heart of such vaccines provoking a reaction which would otherwise have made them unusable.