Bluesky has been growing rapidly since 2023.Credit: Matteo Della Torre/NurPhoto/ShutterstockResearchers are flocking to the social-media platform Bluesky, hoping to recreate the good old days of Twitter.“All the academics have suddenly migrated to Bluesky,” says Bethan Davies, a glaciologist at Newcastle University, UK. The platform has “absolutely exploded”.In the two weeks since the US presidential election, the platform has grown from close to 14 million users to nearly 21 million. Bluesky ha...