Bloggingheads.tv Science Saturdays: John Horgan and Richard Wrangham

In this week's episode of Science Saturday, John Horgan chats with primatologist Richard Wrangham about two features that define humanity: violence and cooking. They compare chimpanzee aggression and human warfare, discuss the ancient origins of food preparation, assess the raw food diet craze, and explore how cooking has shaped the sexual division of labor in human society.

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