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prehistoric
Part 2 with Blaire van Valkenburgh, a paleontologist, on how hyper-carnivores, such as the sabre-tooth tiger, used their super-strengths to regulate herbivores.
Valkenburgh uncovers Pleistocene-era teeth and examines them to determine exactly how these giant predators survived.
Thousands of years ago, the only animals capable of hunting giant herbivores were equally gigantic carnivores. Get an up close and personal look at these crazy beasts!
This week we look at nostalgia and vintage nods to yesteryear in a generation that seeks the past to define the present.

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