DARPA [Defense Advanced Research Project Agency] has a long history of making high-risk, high-reward moves. After all, they have helped shape the field for prosthetics, they have been pushing for big battlefield medical advancements and in 1997, they made a large effort to combat biological hazards.
Searching for a new way to cure paralysis, a team of scientist has come up with a remarkable and off the wall idea. This discovery comes out of the labs at the University College London. The team, lead by Linda Greensmith, used stem cells and optogenetics to control leg muscles in mice and completely circumvent the nervous system in the process.
For those of you who are not familiar with Optogenetics [and really, why would you be familiar with it?] here is a overly simple rundown of what we are talking about.