The science fiction ideal of a future where you can easily snap-freeze yourself to be awoken at a later date is now one step closer. Want to live forever? Or simply travel to a far future time? The chances of doing so just got a step closer, with a breakthrough in cryogenic freezing. If it can be made to work. And safe. The idea is to preserve bodies and brains in a state of suspended animation. Science has managed to do this for individual cells. Reviving a living organism has proven to be a much more challenging matter. Until now.