Researchers use a 3D printer to help grow an ear

The potential for 3D printers is quite mind-blowing, especially when considering their role in biotechnology. The latest breakthrough in this regard comes from Cornell University researchers who showed that it's possible to create a replacement ear using a 3D printer and an injection of living cells. Once refined,… » 2/21/13 8:20am 2/21/13 8:20am