Was watching in BBC today that human head transplant is going to take place in 2017. Heard about it before but thought along the line of impossible act. Think this has been tested with mice and monkeys(?). In both the cases, the head rejected the other body. Now that it has been confirmed, it's giving rise to huge controversies.
Head transplant: team selected for controversial operation that will go ahead in 2017 - News - Gadgets and Tech - The Independent