When I come across things like this, I feel like I stepping right into Pandora’s box. What happens when people can buy 3D printers that can print tissue? Then on top of that there are a ton of other technologies that could be integrated into those living tissues (nano tech, robotics, eventually artificial intelligence…). At some point, we end up becoming god in our basements. No government will be able to regulate everything… There’s no stopping it. I think we’re going to have to be pretty mature as a society to get through the growing pains ahead.