DARPA's Grand Challenges have already helped put plenty of self-driving cars on (closed) roads, but it looks like the agency has something a bit different in mind for its next one. As first reported by Hizook, DARPA has apparently set its sights on humanoid robots as its next target -- specifically, robots that are human-like enough to navigate rough terrain, drive a vehicle and manipulate regular tools (the idea being to simulate assisting in an industrial disaster zone). What's more, participants will have