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Making North America: Human
How has the land shaped our lives, from the arrival of the first Americans to today?
NOVA
Alaskan Dinosaurs
Intrepid paleontologists discover that dinosaurs thrived in the Arctic’s cold and dark.
NOVA
Petra: Lost City of Stone Preview
How did early engineers carve tombs into rock cliffs and funnel water to this desert city?
NOVA
Lee and Liza's Family Tree Preview
A family turns to science in their struggle to rediscover a history obscured by slavery.