Episode 154: Steve Stewart-Willia...

Episode 154: Steve Stewart-Williams - How Evolution Shaped Male And Female Minds

Keep Talking by Dan Riley
Jun 4, 2026
01:13:36

Episode notes

Steve Stewart-Williams is a professor, an evolutionary psychologist, and the author of The Ape that Understood the Universe and his newest book, A Billion Years of Sex Differences: How Evolution Shaped the Minds of Men and Women

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(00:00) Falling In Love With Evolutionary Psychology

(03:30) Explaining Human Behavior Through Evolution

(06:57) Why Sex Differences Evolved

(10:28) Writing A Book On Controversial Science

(12:21) Average Differences And Statistical Overlap

(15:17) Human Parenting Shrinks Sex Differences

(17:44) Male Interest In Casual Sex

(21:19) Evidence Across Cultures And Species

(25:23) What Men And Women Want

(29:18) Physical Attraction And Resource Preferences

(32:32) Replication Crisis And Scientific Confidence

(34:55) Ashley Madison And Sexual Marketplace Realities

(36:27) Gamma Bias And Delta Bias Explained

(40:18) Aggression Differences Between Men And Women

(44:19) Toddler Violence And Puberty Changes

(47:27) Neuroticism, Sensitivity, And Personality Differences

(52:34) Politics, Academia, And Sex Difference Denial

(57:21) Academic Freedom And Substack Independence

(60:38) Why Truth About Sex Differences Matters

(63:44) Harms Of Exaggerating Sex Differences

(66:27) Harms Of Minimizing Sex Differences

(69:17) Gender Equality Paradox In Scandinavia

(71:34) Let People Be Themselves