Could 3D printing solve the organ transplant shortage?

Scientists are racing to make replacement human organs with 3D printers. But while the technology’s possibilities are exciting, already there are fears we could be ‘playing God’Erik Gatenholm first saw a 3D bioprinter in early 2015. His father, Paul, a professor in chemistry and biopolymer technology at Chalmers University of Technology in Gothenburg, had bought one for his department. It cost somewhere in the region of $200,000. “My father was like, ‘This thing can