NATURE BRIEFING 27 May 2026 A new AI tool has generated an atlas of more than one billion predicted protein structures. Plus, a biology lab run by ten robots and whether we can truly trust eyewitness accounts during criminal trials. You have full access to this article via your institution. Hello Nature readers, would you like to get this Briefing in your inbox free every day? Sign up here . Laboratory robots with built-in artificial-intelligence software can look after stem-cell cultures independently. Credit: Masatoshi Okauchi/Shutterstock This lab is run by robots In a biology laboratory in Tokyo, ten two-armed robots run the show . The robots can handle liquids, grow cells on plates and operate scientific instruments, among other basic tasks. The lab does still require some human input to function, but largely frees researchers up to focus on designing experiments and interpreting results.…