Threshold 6: Humans and Collective Learning | Big History Project

About 200,000 years ago, man evolved to become the most important force for change on the Earth's surface. What makes us so different from other living things? How did we, together, make something entirely new? Website: https://www.bighistoryproject.com/portal Facebook: https://www.facebook.com/bighistoryproject Twitter: https://twitter.com/BigHistoryPro Click here to see more videos: https://alugha.com/oerproject

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