The Icy Heart of Polar Seas

The Icy Heart of Polar Seas

Available on Prime Video, The Great Courses Signature Collection
S1 E5: 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 ice-dependent marine ecosystem when the sea ice begins to disappear.