Atlas, the humanoid robot famous for its parkour and dance routines, has recently begun demonstrating something altogether more subtle but also a lot more significant: It has learned to both walk and grab things using a single artificial intelligence model.What is more, the robot’s single learning model is showing some tantalizingly “emergent” skills, like the ability to instinctively recover when it drops an item without having been trained to do so.Boston Dynamics, the company that makes Atlas...