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The Michael Sartain Podcast

The Michael Sartain Podcast

A Billion Years Of Sex Differences: Steve Stewart-Williams - The Michael Sartain Podcast

Jul 19, 2026 · 2h 18m

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About this episode

Evolutionary psychologist Steve Stewart-Williams joins me this episode for a wide-ranging discussion on what makes humans tick — biological sex differences, the mechanics of attraction, how relationships and personality take shape, and the contested science that tries to explain all of it. Steve teaches psychology at the University of Nottingham Malaysia and has written Darwin, God and the Meaning of Life , The Ape That Understood the Universe , and most recently A Billion Years of Sex Differences . Together we get into why his field draws so much political heat and misreading from every direction. Steve breaks down how traditionalists and progressives each manage to distort what the…