However, there are still a few ways in which even the most high-tech artificial arms and legs come up shy ... Many different types of prosthetics exist, but the team settled on testing their ...

ZOE: You know, you do a certain type of a click and it comes up ... Yusuf needs to know how Pollyanna currently dances with her prosthetic leg blade. YUSUF: I'm hoping by the end of today ...