Start Up No.2690: our isolated headphone world, Julie Meyer’s trail of trouble, UK plans face scans for age checks, and more (opens in new tab)

The return of Serena Williams to Wimbledon’s courts has raised the question of whether GLP-1s are performance-enhancing drugs. CC-licensed photo by Andrew Luyten on Flickr. You can sign up to receive each day’s Start Up post by email. You’ll need … →