Head transplant surgery won't lead to unnatural hybrid creatures roaming the Earth...but what if? Take a look at the Transplantation Gallery to find out. Shades of Grey In the final part of this episode, Dr. White gives Stephen Hawking as an example of the moral and ethical dilemmas surrounding body transplants. It's a touchy subject. As one of the most brilliant minds on the planet, should Mr. Hawking be given a new body? How would it benefit...