Hello Nature readers, would you like to get this Briefing in your inbox free every day? Sign up here. The World Health Organization’s status as global health watchdog is threatened
Hello Nature readers, would you like to get this Briefing in your inbox free every day? Sign up here. Superconductors would make make many technologies radically more efficient.Credit: Patrick Gaillardin/Look
An artist’s impression of an asteroid.Credit: ESA-Science Office New calculations indicate that the asteroid known as 2024 YR4 is now much less likely to hit Earth than earlier measurements had
This time five years ago, the virus that causes COVID-19 was spreading around the globe unchecked. One of the biggest questions that remains is: where did it come from? Today,