Steve Stewart-Williams
@stevestuwill.bsky.social
Psychology, evolution, science. Author of "The Ape That Understood the Universe" (2018) and "Darwin, God and the Meaning of Life" (2010). https://www.stevestewartwilliams.com/
Pinned
It's out! The paperback edition of my book, THE APE THAT UNDERSTOOD THE UNIVERSE, featuring a new foreword by Michael Shermer. www.amazon.com/Ape-that-Und...
You can read the first chapter here: assets.cambridge.org/97811087/327...
...and here's a sample of reactions to the book... 👇
You can read the first chapter here: assets.cambridge.org/97811087/327...
...and here's a sample of reactions to the book... 👇
We Need to Talk About Sex Differences
On the Dangers of Exaggerating or Minimizing Differences Between Men and Women
The fourth excerpt from my forthcoming book, A Billion Years of Sex Differences
www.stevestewartwilliams.com/p/we-need-to...
On the Dangers of Exaggerating or Minimizing Differences Between Men and Women
The fourth excerpt from my forthcoming book, A Billion Years of Sex Differences
www.stevestewartwilliams.com/p/we-need-to...
We Need to Talk About Sex Differences
The fourth installment of the first chapter of my forthcoming book, A Billion Years of Sex Differences
www.stevestewartwilliams.com
November 26, 2025 at 10:01 AM
We Need to Talk About Sex Differences
On the Dangers of Exaggerating or Minimizing Differences Between Men and Women
The fourth excerpt from my forthcoming book, A Billion Years of Sex Differences
www.stevestewartwilliams.com/p/we-need-to...
On the Dangers of Exaggerating or Minimizing Differences Between Men and Women
The fourth excerpt from my forthcoming book, A Billion Years of Sex Differences
www.stevestewartwilliams.com/p/we-need-to...
Domesticated Raccoons, Spider Scarecrows, and Mammals That Breathe Through Their Butts
The Nature-Nurture-Nietzsche Linkfest for November 2025!
www.stevestewartwilliams.com/p/domesticat...
The Nature-Nurture-Nietzsche Linkfest for November 2025!
www.stevestewartwilliams.com/p/domesticat...
Domesticated Raccoons, Spider Scarecrows, and Mammals That Breathe Through Their Butts
The Nature-Nurture-Nietzsche Linkfest for November 2025
www.stevestewartwilliams.com
November 22, 2025 at 10:21 AM
Domesticated Raccoons, Spider Scarecrows, and Mammals That Breathe Through Their Butts
The Nature-Nurture-Nietzsche Linkfest for November 2025!
www.stevestewartwilliams.com/p/domesticat...
The Nature-Nurture-Nietzsche Linkfest for November 2025!
www.stevestewartwilliams.com/p/domesticat...
Are Sex Differences Sexist?
Spoiler alert: No
My latest post on Substack!
www.stevestewartwilliams.com/p/are-sex-di...
Spoiler alert: No
My latest post on Substack!
www.stevestewartwilliams.com/p/are-sex-di...
Are Sex Differences Sexist?
Spoiler alert: No
www.stevestewartwilliams.com
November 19, 2025 at 10:03 AM
Are Sex Differences Sexist?
Spoiler alert: No
My latest post on Substack!
www.stevestewartwilliams.com/p/are-sex-di...
Spoiler alert: No
My latest post on Substack!
www.stevestewartwilliams.com/p/are-sex-di...
12 Things Everyone Should Know About Conspiracy Theories
The strange psychology of suspicious minds
My latest post on Substack!
www.stevestewartwilliams.com/p/12-things-...
The strange psychology of suspicious minds
My latest post on Substack!
www.stevestewartwilliams.com/p/12-things-...
12 Things Everyone Should Know About Conspiracy Theories
The strange psychology of suspicious minds
www.stevestewartwilliams.com
November 15, 2025 at 11:17 AM
12 Things Everyone Should Know About Conspiracy Theories
The strange psychology of suspicious minds
My latest post on Substack!
www.stevestewartwilliams.com/p/12-things-...
The strange psychology of suspicious minds
My latest post on Substack!
www.stevestewartwilliams.com/p/12-things-...
The War on Sex Differences
The second excerpt from my forthcoming book, A Billion Years of Sex Differences
www.stevestewartwilliams.com/p/the-war-on...
The second excerpt from my forthcoming book, A Billion Years of Sex Differences
www.stevestewartwilliams.com/p/the-war-on...
The War on Sex Differences
The second excerpt from my forthcoming book, A Billion Years of Sex Differences
www.stevestewartwilliams.com
November 12, 2025 at 10:41 AM
The War on Sex Differences
The second excerpt from my forthcoming book, A Billion Years of Sex Differences
www.stevestewartwilliams.com/p/the-war-on...
The second excerpt from my forthcoming book, A Billion Years of Sex Differences
www.stevestewartwilliams.com/p/the-war-on...
12 New Findings on Love and Romance
My latest post on Substack!
www.stevestewartwilliams.com/p/12-new-fin...
My latest post on Substack!
www.stevestewartwilliams.com/p/12-new-fin...
12 New Findings on Love and Romance
A special edition Linkfest
www.stevestewartwilliams.com
November 8, 2025 at 9:48 AM
12 New Findings on Love and Romance
My latest post on Substack!
www.stevestewartwilliams.com/p/12-new-fin...
My latest post on Substack!
www.stevestewartwilliams.com/p/12-new-fin...
Reposted by Steve Stewart-Williams
⚡️"my expectation is that having read this book, you’ll never see men, women, or society the same way again – not because I’m so great, but because the science is"
Everything You Wanted to Know About Sex Differences But Were Too PC To Ask
The first excerpt of my forthcoming book, A Billion Years of Sex Differences
www.stevestewartwilliams.com/p/everything...
The first excerpt of my forthcoming book, A Billion Years of Sex Differences
www.stevestewartwilliams.com/p/everything...
Everything You Wanted to Know About Sex Differences But Were Too PC To Ask
The first excerpt of my forthcoming book, A Billion Years of Sex Differences
www.stevestewartwilliams.com
November 5, 2025 at 12:01 PM
⚡️"my expectation is that having read this book, you’ll never see men, women, or society the same way again – not because I’m so great, but because the science is"
Everything You Wanted to Know About Sex Differences But Were Too PC To Ask
The first excerpt of my forthcoming book, A Billion Years of Sex Differences
www.stevestewartwilliams.com/p/everything...
The first excerpt of my forthcoming book, A Billion Years of Sex Differences
www.stevestewartwilliams.com/p/everything...
Everything You Wanted to Know About Sex Differences But Were Too PC To Ask
The first excerpt of my forthcoming book, A Billion Years of Sex Differences
www.stevestewartwilliams.com
November 5, 2025 at 11:09 AM
Everything You Wanted to Know About Sex Differences But Were Too PC To Ask
The first excerpt of my forthcoming book, A Billion Years of Sex Differences
www.stevestewartwilliams.com/p/everything...
The first excerpt of my forthcoming book, A Billion Years of Sex Differences
www.stevestewartwilliams.com/p/everything...
The Problem of Free Will, Part 3: Does Free-Will Denial Make Us Bad?
My latest post on Substack!
www.stevestewartwilliams.com/p/the-proble...
My latest post on Substack!
www.stevestewartwilliams.com/p/the-proble...
The Problem of Free Will, Part 3: Does Free-Will Denial Make Us Bad?
Determinism and the death of morality
www.stevestewartwilliams.com
November 1, 2025 at 11:23 AM
The Problem of Free Will, Part 3: Does Free-Will Denial Make Us Bad?
My latest post on Substack!
www.stevestewartwilliams.com/p/the-proble...
My latest post on Substack!
www.stevestewartwilliams.com/p/the-proble...
My New Book Is Coming Soon - and You Can Read Half of It On My Substack
I swore I'd never write another book... but then I wrote one anyway.
www.stevestewartwilliams.com/p/my-new-boo...
I swore I'd never write another book... but then I wrote one anyway.
www.stevestewartwilliams.com/p/my-new-boo...
My New Book Is Coming Soon - and You Can Read Half of It Here
I swore I'd never write another book. But then I wrote one anyway...
www.stevestewartwilliams.com
October 31, 2025 at 11:33 AM
My New Book Is Coming Soon - and You Can Read Half of It On My Substack
I swore I'd never write another book... but then I wrote one anyway.
www.stevestewartwilliams.com/p/my-new-boo...
I swore I'd never write another book... but then I wrote one anyway.
www.stevestewartwilliams.com/p/my-new-boo...
People vs. Things: Why Men and Women Choose Different Jobs
My latest post on Substack!
www.stevestewartwilliams.com/p/people-vs-...
My latest post on Substack!
www.stevestewartwilliams.com/p/people-vs-...
October 29, 2025 at 10:59 AM
People vs. Things: Why Men and Women Choose Different Jobs
My latest post on Substack!
www.stevestewartwilliams.com/p/people-vs-...
My latest post on Substack!
www.stevestewartwilliams.com/p/people-vs-...
Reposted by Steve Stewart-Williams
"after half a century of research on the topic, the core assumptions of the microaggression framework remain untested"
Self-Esteem, Microaggressions, and the IKEA Effect
The Nature-Nurture-Nietzsche Linkfest for October 2025
www.stevestewartwilliams.com/p/self-estee...
The Nature-Nurture-Nietzsche Linkfest for October 2025
www.stevestewartwilliams.com/p/self-estee...
Self-Esteem, Microaggressions, and the IKEA Effect
The Nature-Nurture-Nietzsche Linkfest for October 2025
www.stevestewartwilliams.com
October 25, 2025 at 5:44 PM
"after half a century of research on the topic, the core assumptions of the microaggression framework remain untested"
Self-Esteem, Microaggressions, and the IKEA Effect
The Nature-Nurture-Nietzsche Linkfest for October 2025
www.stevestewartwilliams.com/p/self-estee...
The Nature-Nurture-Nietzsche Linkfest for October 2025
www.stevestewartwilliams.com/p/self-estee...
Self-Esteem, Microaggressions, and the IKEA Effect
The Nature-Nurture-Nietzsche Linkfest for October 2025
www.stevestewartwilliams.com
October 25, 2025 at 10:41 AM
Self-Esteem, Microaggressions, and the IKEA Effect
The Nature-Nurture-Nietzsche Linkfest for October 2025
www.stevestewartwilliams.com/p/self-estee...
The Nature-Nurture-Nietzsche Linkfest for October 2025
www.stevestewartwilliams.com/p/self-estee...
Fewer Young People Are Identifying as Trans, Non-Binary, or Non-Heterosexual www.stevestewartwilliams.com/p/fewer-youn...
Fewer Young People Are Identifying as Non-Binary or Non-Heterosexual
A new report suggests the recent surge in non-traditional identities may have peaked
www.stevestewartwilliams.com
October 22, 2025 at 10:10 AM
Fewer Young People Are Identifying as Trans, Non-Binary, or Non-Heterosexual www.stevestewartwilliams.com/p/fewer-youn...
12 Things Everyone Should Know About the Dark Triad
The science of narcissism, Machiavellianism, and psychopathy - and how they shape our lives
My latest post on Substack!
www.stevestewartwilliams.com/p/12-things-...
The science of narcissism, Machiavellianism, and psychopathy - and how they shape our lives
My latest post on Substack!
www.stevestewartwilliams.com/p/12-things-...
12 Things Everyone Should Know About the Dark Triad
The science of narcissism, Machiavellianism, and psychopathy - and how they shape our lives
www.stevestewartwilliams.com
October 18, 2025 at 10:26 AM
12 Things Everyone Should Know About the Dark Triad
The science of narcissism, Machiavellianism, and psychopathy - and how they shape our lives
My latest post on Substack!
www.stevestewartwilliams.com/p/12-things-...
The science of narcissism, Machiavellianism, and psychopathy - and how they shape our lives
My latest post on Substack!
www.stevestewartwilliams.com/p/12-things-...
To celebrate the second anniversary of my newsletter, the Nature-Nurture-Nietzsche Newsletter, I’m offering a limited-time 20% discount on paid subscriptions. www.stevestewartwilliams.com/p/two-year-a...
Two-Year Anniversary Deal
Get 20% off for a year
www.stevestewartwilliams.com
October 14, 2025 at 10:48 AM
To celebrate the second anniversary of my newsletter, the Nature-Nurture-Nietzsche Newsletter, I’m offering a limited-time 20% discount on paid subscriptions. www.stevestewartwilliams.com/p/two-year-a...
Sex Differences in Work Preferences, Life Values, and Personal Views... and How They Shape Men and Women's Lives www.stevestewartwilliams.com/p/sex-differ...
Sex Differences in Work Preferences, Life Values, and Personal Views
...and how they shape men and women's lives
www.stevestewartwilliams.com
October 10, 2025 at 8:52 PM
Sex Differences in Work Preferences, Life Values, and Personal Views... and How They Shape Men and Women's Lives www.stevestewartwilliams.com/p/sex-differ...
"Decades of research show that as learning conditions improve, gaps between the most able and the least able students widen rather than shrink - and that well-meaning efforts to equalize outcomes often only mask differences rather than eliminate them." www.stevestewartwilliams.com/p/intelligen...
Intelligence and Education
Confronting the elephant in the room
www.stevestewartwilliams.com
October 8, 2025 at 10:24 AM
"Decades of research show that as learning conditions improve, gaps between the most able and the least able students widen rather than shrink - and that well-meaning efforts to equalize outcomes often only mask differences rather than eliminate them." www.stevestewartwilliams.com/p/intelligen...
Beyond General Intelligence: The Genetics of Specific Cognitive Abilities
What your genes say about how you think
www.stevestewartwilliams.com/p/beyond-gen...
What your genes say about how you think
www.stevestewartwilliams.com/p/beyond-gen...
Beyond General Intelligence: The Genetics of Specific Cognitive Abilities
What your genes say about how you think
www.stevestewartwilliams.com
October 4, 2025 at 9:58 AM
Beyond General Intelligence: The Genetics of Specific Cognitive Abilities
What your genes say about how you think
www.stevestewartwilliams.com/p/beyond-gen...
What your genes say about how you think
www.stevestewartwilliams.com/p/beyond-gen...
Top 12 Jane Goodall Quotes
Remembering a Scientist Who Changed the Way We See Ourselves
#RIPJaneGoodall
www.stevestewartwilliams.com/p/top-12-jan...
Remembering a Scientist Who Changed the Way We See Ourselves
#RIPJaneGoodall
www.stevestewartwilliams.com/p/top-12-jan...
Top 12 Jane Goodall Quotes
Remembering a scientist who changed the way we see ourselves
www.stevestewartwilliams.com
October 2, 2025 at 1:10 AM
Top 12 Jane Goodall Quotes
Remembering a Scientist Who Changed the Way We See Ourselves
#RIPJaneGoodall
www.stevestewartwilliams.com/p/top-12-jan...
Remembering a Scientist Who Changed the Way We See Ourselves
#RIPJaneGoodall
www.stevestewartwilliams.com/p/top-12-jan...
Therapy by the Numbers
What a new meta-analysis reveals about the effectiveness of psychotherapy
My latest post on Substack!
www.stevestewartwilliams.com/p/therapy-by...
What a new meta-analysis reveals about the effectiveness of psychotherapy
My latest post on Substack!
www.stevestewartwilliams.com/p/therapy-by...
Therapy by the Numbers
Talking works - but some problems listen more than others
www.stevestewartwilliams.com
October 1, 2025 at 10:37 AM
Therapy by the Numbers
What a new meta-analysis reveals about the effectiveness of psychotherapy
My latest post on Substack!
www.stevestewartwilliams.com/p/therapy-by...
What a new meta-analysis reveals about the effectiveness of psychotherapy
My latest post on Substack!
www.stevestewartwilliams.com/p/therapy-by...
Invisible Tigers, a New View of Autism, and the Gender-Equality Paradox
The Nature-Nurture-Nietzsche Linkfest for September 2025!
www.stevestewartwilliams.com/p/invisible-...
The Nature-Nurture-Nietzsche Linkfest for September 2025!
www.stevestewartwilliams.com/p/invisible-...
Invisible Tigers, a New View of Autism, and the Gender-Equality Paradox
The Nature-Nurture-Nietzsche Linkfest for September 2025
www.stevestewartwilliams.com
September 27, 2025 at 10:39 AM
Invisible Tigers, a New View of Autism, and the Gender-Equality Paradox
The Nature-Nurture-Nietzsche Linkfest for September 2025!
www.stevestewartwilliams.com/p/invisible-...
The Nature-Nurture-Nietzsche Linkfest for September 2025!
www.stevestewartwilliams.com/p/invisible-...
"A massive UK study found that genes associated with earlier childbirth in women and higher BMI in men are being favored by natural selection. Meanwhile, genes associated with intelligence and educational attainment are being selected against."
www.stevestewartwilliams.com/p/12-things-...
www.stevestewartwilliams.com/p/12-things-...
September 26, 2025 at 11:03 PM
"A massive UK study found that genes associated with earlier childbirth in women and higher BMI in men are being favored by natural selection. Meanwhile, genes associated with intelligence and educational attainment are being selected against."
www.stevestewartwilliams.com/p/12-things-...
www.stevestewartwilliams.com/p/12-things-...
Survey: “How many unarmed Black men were killed by police in 2021?”
-40% of "Very Liberals": 1,000+
-16% of "Very Conservatives": 1,000+
-Actual number: 11
www.stevestewartwilliams.com/p/police-kil...
-40% of "Very Liberals": 1,000+
-16% of "Very Conservatives": 1,000+
-Actual number: 11
www.stevestewartwilliams.com/p/police-kil...
September 26, 2025 at 11:03 PM
Survey: “How many unarmed Black men were killed by police in 2021?”
-40% of "Very Liberals": 1,000+
-16% of "Very Conservatives": 1,000+
-Actual number: 11
www.stevestewartwilliams.com/p/police-kil...
-40% of "Very Liberals": 1,000+
-16% of "Very Conservatives": 1,000+
-Actual number: 11
www.stevestewartwilliams.com/p/police-kil...
Reposted by Steve Stewart-Williams
"Self-censorship skills are deeply ingrained in nonclinical human psychology, and their expression comes in degrees... Psychologically, the default state of political cognition with respect to free expression may be a state of moral hypocrisy"
NYAS Publications
Why do political activists repress speech, especially to protect simplistic ideological narratives? I argue that speech repression stems from at least three key motivations: hypersensitivity to socia...
nyaspubs.onlinelibrary.wiley.com
September 26, 2025 at 10:14 PM
"Self-censorship skills are deeply ingrained in nonclinical human psychology, and their expression comes in degrees... Psychologically, the default state of political cognition with respect to free expression may be a state of moral hypocrisy"