Polar Extremes
- Episode aired Feb 5, 2020
- TV-PG
- 1h 53m
Paleontologist Kirk Johnson explores the polar extremes of the planet, including miles-high ice sheets and warm polar forests brimming with life.Paleontologist Kirk Johnson explores the polar extremes of the planet, including miles-high ice sheets and warm polar forests brimming with life.Paleontologist Kirk Johnson explores the polar extremes of the planet, including miles-high ice sheets and warm polar forests brimming with life.