Japanese scientist made meat out of feces. 
http://www.huffingtonpost.com/2011/06/16/scientist-poop-burger-video_n_878210.html
I'm sure there are better ways to engineer protein.

http://www.huffingtonpost.com/2011/06/16/scientist-poop-burger-video_n_878210.html
I'm sure there are better ways to engineer protein.