Dr. Christopher Ryan is a psychologist, the podcast host of Tangentially Speaking, and the co-author of the New York Times Bestseller Sex at Dawn: How We Mate, Why We Stray, and What it Means for Modern Relationships.

His latest book—a fascinating read which critically and inquisitively examines how civilization has affected our livelihoods and wellbeing as humans—is Civilized to Death: The Price of Progress.

In this podcast episode, Christopher sheds light on the common misconceptions people often have of our prehistoric relatives; how the advent of agriculture turned egalitarian hunter and gatherer communities into ones with hierarchical power structures that created social inequality; and more.

Featured music: Mountain Twin by Joel Porter

Episode notes: www.greendreamer.com/213

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Faut-il s'inquièter des tremblements de terre recents dans l'Ouest ?