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1918 Flu
Running time: 12:52
A virus that killed up to 50 million people is brought back to life to decipher its deadliness.
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First Primates
Running time: 13:04
Our most distant primate ancestors, which took the stage shortly after the dinosaurs left it, were tree-dwellers the size of mice.
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Kryptos
Running time: 11:52
A coded sculpture at CIA headquarters has yet to be fully broken.
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Little People of Flores
Running time: 11:39
The remains of three-foot-tall humans are discovered on a remote Indonesian island.
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Maya
Running time: 13:38
NASA archeologists use satellites to pinpoint ancient ruins buried deep in the jungle.
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Mirror Neurons
Running time: 13:50
Discover the role mirror neurons may play in human actions and interactions and find out how scientists think mirror neurons work.
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Pandemic Flu
Running time: 6:23
Will the virus that causes bird flu develop the ability to move from person to person?
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Papyrus
Running time: 9:01
Scraps of writings from a garbage dump in ancient Egypt reveal what life was like 2,000 years ago.
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