Description
Cosmos Episode 11: The Persistence of Memory, (Original Air Date: December 7), 1980 & Episode 12: Encyclopedia Galactica, (Original Air Date:December 14, 1980) – Double Episode The Persistence of Memory Episode 11 12/7/809.4 How does a brain work? When does the structure of a brain produce true intelligence? What is the relationship between brain size and behavior? How are libraries an extension of our brains? In this installment, Dr. Sagan discusses the human brain, guiding the viewer through a maze of a brain model to demonstrate the intricacies of thought. He compares the intelligence of a whale to that of a human and offers an explanation of how all the information needed for survival is stored in human genetic material and brains, and in books. Encyclopedia Galactica Episode 12 12/14/80 Are we alone in the cosmos or are there other technological civilizations out there? How can we search for them? How would we “decode” a message from them? Is there real evidence that we’ve already been visited? Are UFOs real? Dr. Sagan asks and answers such questions as “What is the lifespan of a planetary civilization?” and “Will we one day hook up with a network of civilizations in the Milky Way galaxy?”
