sciencehabit writes: For years researchers have argued over where and when dogs arose. Some say Europe, some say Asia. Some say 15,000 years ago, some say more than 30,000 years ago. Now an unprecedented collaboration of archaeologists and geneticists from around the world is attempting to solve the mystery once and for all. They're analyzing thousands of bones, employing new technologies, and trying to put aside years of bad blood and bruised egos. If the effort succeeds, the former competitors will uncover the history of man's oldest friend — and solve one of the greatest mysteries of domestication.