The Icy Heart of Polar Seas

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The Icy Heart of Polar Seas
Episode 5 of Polar Explorations

28 mins

Virtually every living thing in polar waters - from single-celled phytoplankton to whales - has evolved in a world dominated by sea ice. Study how Arctic and Antarctic marine ecosystems work, and consider what happens to a sea...

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Edward M. Murphy, Fen Montaigne, Michael E. Wysession, Ralph Lee Hopkins, Sylvia A. Earle