Wow in the World

Ep 10: Comets, Ice Age, and Human Civilization

Why was North America once covered in ice? How could a comet strike have helped to shape our planet as we know it? And What did stone carvings teach us about our early human ancestors?  Join Guy Raz & Mindy Thomas as they take you on a time traveling adventure through the latest Who, What, When, Where, Why, How and WOW in the World!

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