Could I order a new chequebook, please? http://yuvututube.fun/ yuvutu tube videos Andrew Thurber, an oceanographer at Oregon State University in Corvallis, agrees, saying that the study raises intriguing evolutionary questions. The Antarctic Circumpolar Current, which flows clockwise around the continent, is thought to act as a barrier that prevents the larvae of many species from reaching Antarctic waters. It's possible that the bone-eating worms may have crossed the barrier numerous times during evolutionary history, perhaps following the migration routes of whales, says Thurber.