A team of twelve students at Virginia Tech are taking on an impossible seeming task: how do you design a car that can be driven by the blind? They've got a solution worked out, and with it one day blind drivers may be able to take to the streets independently without any need for assistance.

Poor Oscar the cat had his back feet severed by a combine harvester. But then, thanks to vet Noel Fitzpatrick, he became the subject of a world-first operation to replace his lost legs with custom, bioengineered fake legs.

You see and read about suspended animation all the time in science fiction. In Avatar, for instance, the movie opens with Jake Sully being brought out of a state of cryogenic suspension. It's often thought as the ticket to travel through deep space and medical miracles here at home, and one scientist could be close to cracking the code.

Arizona man Charles Okeke spent the last two years of his life connected to a 400-pound machine that acted as his heart. Now, he's able to shed that bulk thanks to the new "Freedom Driver," a backpack-powered, totally artificial heart that's letting him leave the hospital grounds. He's an honest-to-goodness bionic man.