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Why Evolutionary Psychology Needs Behavior Genetics, and Vice Versa
Twenty claims about heritability and human nature
Feb 14
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Steve Stewart-Williams
17
4
4
Five Positions on the Nature-Nurture Issue
The tenth excerpt from my forthcoming book, A Billion Years of Sex Differences
Feb 11
•
Steve Stewart-Williams
24
11
5
Smarter People Live Longer
It's not fair, but it's true
Feb 7
•
Steve Stewart-Williams
19
3
7
Trust, Toddlers, and Wikipedia: Humans as Natural-Born Cooperators
My interview with Dan Gardner for his new book with Wikipedia's Jimmy Wales
Feb 4
•
Steve Stewart-Williams
28
3
9
January 2026
The Evolution of Violence
How fighting shaped human bodies, minds, and sex differences
Jan 31
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Steve Stewart-Williams
35
3
16
The Greater Male Variability Hypothesis
How sex differences can be large even when they’re small, Part 2
Jan 28
•
Steve Stewart-Williams
35
3
4
Narcissistic Activists, Sex Differences in Sexual Desire, and Why Neanderthals Were Humans
The Nature-Nurture-Nietzsche Linkfest for January 2026
Jan 24
•
Steve Stewart-Williams
56
23
Sex Differences Are Often Larger at the Extremes
How sex differences can be large even when they’re small, Part 1
Jan 21
•
Steve Stewart-Williams
33
9
Sex Differences in Empathy Across Cultures
The deep evolutionary roots of a fundamental gender gap
Jan 17
•
Steve Stewart-Williams
39
16
7
Why I'm Not a Fan of Gender
The seventh excerpt from my forthcoming book, A Billion Years of Sex Differences
Jan 14
•
Steve Stewart-Williams
39
10
7
Personality Change in the Teen Years
Girls get more neurotic; both sexes get less agreeable and conscientious
Jan 10
•
Steve Stewart-Williams
22
14
8
Why Animals Have to Learn Their Instincts
Rethinking nature and nurture
Jan 7
•
Steve Stewart-Williams
23
9
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