A man named Mark Roth has been making realistic strides towards suspended animation. This BLEW MY MIND!!! Here's the link to TED video where he explains the discovery process, how it works, and what it could mean. It's super cool. And it's a really neat site, so if you haven't already checked it out, you should.
http://www.ted.com/talks/lang/eng/ma...animation.html
http://www.ted.com/talks/lang/eng/ma...animation.html