The news that reality TV is frequently faked shouldn't come as a surprise. But given that Bear Grylls is an outdoor expert who survived a massive fall while in the British Special Forces, climbed Mt. Everest before he was 25, and traversed the North Atlantic in an inflatable raft, he gets the benefit of the doubt. But evidence suggests Grylls may not be as rugged a survivalist as he seems. In fact, some of his wilderness tips have even been called into question by other experts. So what gives?