The editor in chief of Scientific American, the US’s oldest magazine, has announced her resignation after a series of online posts in which she called some Donald Trump supporters “fascists” and “bigoted”. In a post on Bluesky on Thursday, Laura Helmuth, who was originally appointed as the magazine’s editor in chief in 2020, said: “I’ve decided to leave Scientific American after an exciting 4.5 years as editor in chief. I’m going to take some time to think about what comes next (and go birdwatching).” Helmuth’s resignation comes after a series of expletive-filled posts on 5 November – election night –