TIL a doctor in 1970 successfully transferred the head of one monkey to the body of another, and the monkey lived for 8 days. In 2013, another doctor published a protocol to accomplish this in humans. User preacher37, in the Today I Learned (TIL) subreddit, 10 Apr 2015
Project outline for the first human head transplantation with spinal linkage User qznc_bot, in the Hacker News subreddit, 27 May 2014