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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.
First Air Date : Jan 25, 2005
Last Air date : Nov 14, 2012
Episode : 40 Episode
Season : 6 Season
Runtime: 55:60 minutes
Studio: PBS
Country: United States of America
