“We took a rat apart and rebuilt it as a jellyfish.”

[Vanraw]

This is some cool stuff. Also the begining of the borg:-)

Parker has built an artificial jellyfish out of silicone and muscle cells from a rat heart. When it’s immersed in an electric field, it pulses and swims exactly like a real jellyfish. The unusual creature is part of Parker’s efforts to understand the ways in which muscles work, 

http://blogs.discovermagazine.com/notroc...%E2%80%9D/