At Japan’s Osaka University, researchers are carefully assembling 3D-printed Wagyu beef. They think the process could lead to a more sustainable alternative to the country’s famous meat. If this becomes successful, scientists think the 3D-printing of meat could lead to other sustainable efforts. "If we replace it with human cells instead, we might be able to transplant the human muscle to where it's missing," Professor Michiya Matsusaki said. Inside Edition Digital’s Stephanie Officer explains.