Milking Snakes Guest: Carl Barden, owner and director, Medtoxin Venom Laboratories and The Reptile Discovery Center Talk about hazard pay! This guy's job is to milk venomous snakes. Be grateful, since he's in the business of saving human lives. Snake Bite Guest: Mark O'Shea, herpetologist Snake bites are rarely fatal in North America, but around the world over 100,000 people die from them. Here's what some scientists are doing about it.