After two and a half years and 126 episodes, Season 4 of Tides is coming to an end. Patrick recaps what we've learned, how things have changed in a rapidly shifting field, and why the study of prehistory and the deep human past matters.

Patrick's book is now available! Get The Verge: Reformation, Renaissance, and Forty Years that Shook the World in hardcopy, ebook, or audiobook (read by Patrick) here: https://bit.ly/PWverge

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