Norman Lasca — How science works is as much the focus of this video as is a scientific detective story, one possible only now that the former Soviet Arctic is open to exploration. This search for a “lost” glacier, first hypothesized in the 19th century by famed naturalist Louis Agassiv, re-creates a 4,000-mile journey via nuclear-powered icebreaker across the Arctic from Kola Peninsula to the Bering Straits as two modern-day geologists track “clues” to support a theory that runs counter to “received wisdom.”