WGBH Contributor Sue O'Connell sits down with Sant Director of the Smithsonian’s National Museum of Natural History and host of NOVA's Polar Extremes, Kirk Johnson, to get a sneak peek of NOVA's epic adventure through time at the ends of our planet. Learn about the bizarre history of the poles and hear what the past reveals about climate today and in the future. The two-hour special airs February 5 at 8pm on WGBH 2.
