Cosmos: A Personal Voyage

1x11 The Persistence of Memory

Air Date: 1980-12-07

Runtime: 60 minutes

Overview: 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. Then we wind through the maze of the human brain to witness the architecture of thought. We see how genes, brains and books store the information necessary for human survival.