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S3:E8 Mass Extinction, 1918 Flu, Papyrus
First Aired: August 13, 2008
Mass Extinction - What caused the mother of all extinctions 250 million years ago? 1918 Flu - A virus that killed up to 50 million people is brought back to life to decipher its deadliness. Profile: Cynthia Breazeal - A daring engineer designs robots to communicate and interact the way people do. Papyrus - Scraps of writings from a garbage dump in ancient Egypt reveal what life was like 2,000 years ago.
