How real is the science behind the new docudrama Supervolcano, airing tonight on the Discovery Channel? The film, which portrays a volcanic eruption in Yellowstone, is actually quite well done, said a former USGS scientist who served as a consultant on the project. Yet Yellowstone's resident geologist believes if such a worst-case scenario occurred, it would take place over a longer period than the few hours depicted in the film. Read more here.