This isn’t a coffee-fetching robot — it’s a life-saving robot. Developed at Carnegie Mellon University in Pittsburgh, this robot dog is designed to help medics in emergencies too dangerous for humans. It can see in the dark, pick up sounds and even be pet. But even its creators admit: it’s intimidating to many humans— and they’re still working on making it feel more approachable. Tony Dokoupil got a firsthand look. | CBS News