Archaeologists are finding that the Americas before Columbus were very different than we initially believed. New discoveries in a wide variety of fields are finding that long standing concepts of the pre-Colombian world are very different from what we thought. So what has changed?

This video is based on Charles C Mann’s 1491. For a more in depth discussion of the things I mention in this whirlwind of a video, I suggest giving it a read! You can get it here:


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