the people in the medical -- you know, we have a medical unit at cnn, health and medical unit. and there's, you know, a couple dozen producers. and i joke around with them. any of them might qualify for several years of medical school with the amount of work that they do and the diligence they show. it's incredible. and they make it all happen, as you know, don. >> yeah. so hey, sanjay, we're going to talk about this bionic arm story, if you can stick around. i'd love to get your opinion on it. so hang around a little bit, okay? >> okay. you got it. thanks, don. >> stand by. remember the young georgia woman who survived flesh-eating bacteria after a zip line accident last year? 24-year-old aimee copeland had to have both hands, a leg, and a foot amputated. now she has been fitted with the latest in prosthetic hands. >> these hands are going to allow amy to do more than any other hands that are currently available in the world. >> it feels amazing because you know, with the other arms i had they really didn't feel like an extension of my body.