Prof. Shakun featured in PBS NOVA documentary "Polar Extremes"

Dr. Jeremy Shakun and his group's research reconstructing past episodes of permafrost thaw from Arctic cave deposits is featured in the NOVA documentary "Polar Extremes". The film traces the dramatic changes in polar climate that have occurred throughout Earth's history captured in the geologic record - as prologue to the future changes coming in our warming world. The film airs February 5th at 8 pm, and there will be a sneak peek and panel discussion with Dr. Shakun and the host Kirk Johnson, Director of the Smithsonian Museum of Natural History, February 4 from 7-9 pm at WGBH studios.