Two robots that look roughly like people just reached inside a live animal and removed an organ. No film studio staged the scene. It happened in a lab in California, and it is a first for medicine. Surgeons at the University of California San Diego used two teleoperated humanoid robots to remove the gallbladders from live pigs. The result was published in Nature on 8 July. It marks the first time humanoid robots have performed surgery on living subjects. The machines did not act on their own. Human surgeons drove every movement from a console beside the operating table. The…