Credit: Unsplash/CC0 Public Domain Robots are becoming part of our everyday lives, from health care to home assistance. But for humans to truly trust and collaborate with them, robots need more than technical skill—they need to understand us. That's the challenge at the heart of new work being undertaken by Dr. Mehdi Hellou as part of PRIMI, a project exploring how robots can develop a "theory of mind"—the ability to infer what people believe, prefer or in