Nice brief review of A Billion Years of Sex Differences in The Journal of Peace Research. www.prio.org/journals/jpr...

New review of A Billion Years of Sex Differences just dropped! “Measured, timely, and informative… essential reading.” -Jerry Coyne www.stevestewartwilliams.com/p/a-billion-...

On the front page of the Skeptic magazine website 🤟 www.skeptic.com

"[T]his is an important book. In A Billion Years of Sex Differences, Stewart-Williams is making a more profound argument: magnifying or minimising sex differences doesn’t just ignore science, it leads to harm." www.stevestewartwilliams.com/p/ignoring-s...

We Can't Just Lie About Sex Differences My interview with Skeptiker magazine [No paywall] www.stevestewartwilliams.com/p/we-cant-ju...

“It’s ironic that, in an age where we rightly celebrate differences and diversity, we often get outraged when anyone points any out. Not exactly tolerance of diversity!” An excerpt from my recent op-ed in The Independent. www.stevestewartwilliams.com/p/why-we-can...

Some behind-the-scenes photos from the Modern Wisdom roundtable I took part in while I was in Austin. Out soon!

A century of evidence tells us men and women are different – let’s stop pretending they’re the same A piece I wrote for The Independent discussing my new book, A Billion Years of Sex Differences www.independent.co.uk/life-style/m...

My new book, A BILLION YEARS OF SEX DIFFERENCES, is out today! It's about the evolution of human sex differences and why they matter. It's available in hardback www.swiftpress.com/book/a-billi... ...and audiobook www.audible.co.uk/pd/A-Billion... Check out some early reactions to the book below!

This stag beetle is a bilateral gynandromorph: The left half of its body is male; the right half is female. I explore bilateral gynandromorphism in my new book, A Billion Years of Sex Differences - out tomorrow! swiftpress.com/book/a-billi...

Join me for champagne, cake, and philosophy at the How the Light Gets In festival in Hay-on-Wye. Starts at 3:30pm on May 23rd. I'll be discussing my forthcoming book, A Billion Years of Sex Differences. howthelightgetsin.org/events/champ... @howthelightgetsin2.bsky.social

Just a few hours left! Get 25% off my forthcoming book A Billion Years of Sex Differences when you pre-order from Waterstones. Use the promo code FEB26 at checkout. t.co/D8nZfmAvgI

People vs. Things: Why Men and Women Choose Different Jobs My latest post on Substack! www.stevestewartwilliams.com/p/people-vs-...

"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-...

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...

"We’ve got good evidence, for instance, that prenatal testosterone helps explain why, on average, men are more aggressive than women, why they’re less parental, and why they’re more interested in things and less interested in people." www.stevestewartwilliams.com/p/testostero...

I’ll be discussing and defending the gametic definition of sex in my next book, A Billion Years of Sex Differences. x.com/hoovlet/stat... Watch this space... www.stevestewartwilliams.com/p/books

Are humans still evolving? A new study looks at natural selection in modern Americans. It finds that genes associated with educational attainment are being selected against, while genes associated with depression, asthma, and earlier first birth are being favored. [Link below.]

My all-time favourite example of survivorship bias. From the Nature-Nurture-Nietzsche Linkfest for July 2025: "Survivorship Bias, the Myth of the Shrinking Middle Class, and What Men Will Do to Avoid Baldness" www.stevestewartwilliams.com/p/survivorsh...

“In some cases, activism attracts individuals with less than noble motives. According to one new study, this includes pathological narcissists, who use social-justice activism as a way to virtue signal and put themselves above other people.” www.stevestewartwilliams.com/p/ten-new-fi...

Fascinating: Most popular stand-alone personality traits used in psychology – self-esteem, grit, etc. – can be subsumed to the Big Five. www.stevestewartwilliams.com/p/five-trait...

12 Things Everyone Should Know About Behavior Genetics 1. All traits are partially heritable www.stevestewartwilliams.com/p/12-things-...

“Activists… argue that whites cannot be the victims of racism, or men the victims of sexism. Likewise, whether people can be victims of new offenses like cultural appropriation or microaggression, depends on their identity.” www.stevestewartwilliams.com/p/12-things-...

The tendency to see oneself as a victim strongly predicts support for political violence. stevestewartwilliams.substack.com/p/12-things-...

“Ironically, people who see themselves as victims often feel entitled to mistreat others.” www.stevestewartwilliams.com/p/12-things-...

“People with manipulative, narcissistic, or psychopathic tendencies sometimes weaponize victimhood: They exaggerate harm, fabricate grievances, and leverage sympathy to exploit others’ better nature.” www.stevestewartwilliams.com/p/12-things-...

Psychologists have identified a personality trait they call the Tendency for Interpersonal Victimhood. It reflects a chronic sense of being wronged, and includes four key components: Need for recognition; moral elitism; lack of empathy; and rumination. www.stevestewartwilliams.com/p/12-things-...

12 Things Everyone Should Know About the Psychology of Victimhood www.stevestewartwilliams.com/p/12-things-...

Research suggest that the "woke" worldview is associated with depression and anxiety. www.stevestewartwilliams.com/p/dividing-t...

"As I see it, evolutionary psychology is just regular psychology, but testing hypotheses derived from theories in evolutionary biology..." My interview with Lionel Page for Optimally Irrational. www.stevestewartwilliams.com/cp/153307795