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NOVA | Promotion | Making North America: Life Preview

How did life emerge on our primeval continent? Why was North America home to so many iconic dinosaurs like T. rex? And how did a huge sea filled with giant marine reptiles end up covering Kansas? We tell the surprising intertwined story of life and the landscape in North America.

S42 E21 | 0:00:30 | AIRED: 10/14/2015 |
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