dr. chung? hello? ung says despite the occasional hiccup in technology, he has successfully treated over 200 patients thanks to the robot. based on what you know, are we going to see robots everywhere within ten years? in hospitals like this? >> i think this type of technology is highly valuable and at some point you're going to see, you know, as we try to stretch our expertise, our assets, to different places around the country, this type of technology will help you with that. >> scientists hope these critters will steal their secret. how is the salamander able to regenerate their body parts? the u.s. department of defence granted $6 million team hoping to tap into this regeneration. sal manders can grow tissues, allowing them to recreate a complete structure like a limb. here's the way at which an amputated limb grows over the course of 90 days in a salamander. an animated simulation of what's going on inside the body. here's a salamander with a completely new limb. looks perfect. it has inside bone,

dr. chung? hello? chung says despite the occasional hiccup in technology, he has successfully treated over 200 patients thanks to the robot. >> based on what you know, are we going to see robots everywhere within ten years at hospitals like this? >> i think this type of technology is highly valuable. at some point, you are going to see, as we try to stretch our expertise, our assets to different places around the country, this type of technology will help with you that. >> scientists hope these critters will spill their secrets. how is the mexican salamander able to generate its body parts? this could hold the key to human regeneration. u.s. department of defense granted over $6 billion to a team hoping to tap into this. human regeneration is limited to different tissues. salamanders allow them to recreate a complete structure like a limb. here is a look through time-lapse imagery the way an amputated limb grows in about 90 days in a salamander and animated simulation of what is going on inside the body