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  • The Complete Cosmos

Cosmos | The Persistence of Memory | PBS

Duration: 58:25 (Full Program)
Program: The Complete Cosmos #111
Broadcast Date: Dec. 7, 1980

The brain is the focus of this fascinating portion of our journey as Dr. Sagan examines another of the intelligent creatures with whom we share the planet Earth — whales.

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Post Date: March 19, 2009