3D printer shows surgeons secrets of strange hearts

We've had 3D-printed aeroplanes , guns and fossil skulls - but these are the first copies of real human hearts.

http://www.newscientist.com/article/dn23574-3d-printer-shows-surgeons-secrets-of-strange-hearts.html?cmpid=RSS%7CNSNS%7C2012-GLOBAL%7Ctech