There is a fascinating TED talk about a surgeon who demos a 3D printer that uses living cells to "print" a kidney: http://www.ted.com/talks/anthony_atala_print

There is a fascinating TED talk about a surgeon who demos a 3D printer that uses living cells to "print" a kidney: http://www.ted.com/talks/anthony_atala_printing_a_human_kidney http://www.ted.com/talks/anthony_atala_printing_a_human_kidn...