(3)Seemingly immune to frostbite or hypothermia, Win Hof has amazed scientists by continually facing the rigors of extreme cold and surviving unscathed. Hof, the holder of nine Guinness World Records, was recently profiled by ABC News in an article(1) that includes video(2) of his latest feat: standing neck-deep in ice for over an hour.

1. http://abcnews.go.com/Health/Story?id=4393377&page=1
2. http://abcnews.go.com/Video/playerIndex?id=4405272
3. http://abcnews.go.com/Health/Story?id=4393377&page=1