See fat cells forming in super-sharp focus — February’s best science images

Hello Nature readers, would you like to get this Briefing in your inbox free every day? Sign up here. The big lift: Engineers in South Africa participate as a crane

Sick animals suggest COVID pandemic started in Wuhan market

Huge crowds gather in the Spanish city of Pamplona for the Feast of San Fermín.Credit: Danny Lehman/Getty Researchers studying the movement of crowds at a traditional Spanish festival have shown