UPCOMING BROADCASTS
What Are Dreams?
Psychologists and brain scientists have new answers to an age-old question.
Tuesday, November 24 at 8 pm (Check local listings)
Volcano Above the Clouds
Join a scientific expedition to the glacier-capped summit of Kilimanjaro, Africa's tallest mountain.
Tuesday, December 8 at 8 pm (Check local listings)
The Spy Factory
NOVA investigates the high-tech eavesdropping carried out by the National Security Agency and the effectiveness of surveillance in an age of terrorism.
Tuesday, December 15 at 8 pm (Check local listings)
Previously aired: Becoming Human Part 3
Complete TV schedule
What Are Dreams?
Click on the play button to watch a preview of What Are Dreams? (2:20)
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