Uploaded July 2025 | Updated September 2026, 5 days ago
Renowned paleontologist Kirk Johnson takes us on an epic adventure through time at the polar extremes of our planet. Following a trail of fossils found in all the wrong places--beech trees in Antarctica, redwoods and hippo-like mammals in the Arctic--NOVA uncovers the bizarre history of the poles, from miles-thick ice sheets to warm polar forests teeming with life.
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Renowned paleontologist Kirk Johnson takes us on an epic adventure through time at the polar extremes of our planet. Following a trail of fossils found in all the wrong places--beech trees in Antarctica, redwoods and hippo-like mammals in the Arctic--NOVA uncovers the bizarre history of the poles, from miles-thick ice sheets to warm polar forests teeming with life.
Welcome to PBS America, a channel curated for an international audience from America's Public Broadcasting Service, PBS. This is a factual focussed channel including award-winning American history, current affairs and science.
SIGN UP to our UK broadcast channel weekly highlights at pbsamerica.co.uk
FOLLOW us on X @PBSAmerica
LIKE us on Facebook.com/pbsamerica
