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Yakima, WA KTNW PBS 31 A3 HD

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A look at what thousands of prehistoric footprints in New Mexico's White Sands National Park might reveal about the peopling of the Americas.

NOVA

Ice Age Footprints

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The hidden biases, privacy risks and design flaws of the artificial intelligence programs relied on by police departments and the courts.

S49 E13 | Computers v. Crime