3D printed organs offer ultra-realistic practice models
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12:44, Mar 10, 2015 
An
 incision from the surgeon’s scalpel sends liquid oozing over the 
surface of a the lung, but on this occasion it doesn’t matter if 
something goes wrong—the doctor can simply create another model with a 
3D printer.
The ultra-realistic lung—wet, soft, and complete with...................details