Sibling admixture regression in Mexico
A week ago, a landmark study dropped: Wang, S., Berumen, J., Vergara-Lope, A., Baca, P., Barrera, E., Rivas, F., ... & Visscher, P. M. (2025). Direct effect of genetic ancestry…
Ask me questions 2 (paid subs)
Back in February, I ran the first ask me questions post for paid subs. I guess it's time for another one. Hopefully, you guys have come up with some new…
A plethora of evidence for genetic influence of American race-ethnic gaps in intelligence
Back in 2021, Russell Warne wrote a nice summary article about race differences in intelligence: Warne, R. T. (2021). Between-group mean differences in intelligence in the United States are> 0%…
Book review: A Short History of Humanity: A New History of Old Europe by Johannes Krause
I read this book the other day and it's worth reviewing in some detail. Krause, J., & Trappe, T. (2022). A short history of humanity: A new history of old…
New study out: Admixture and Social Status in Chile
The new June issue of Mankind Quarterly is out, and naturally it features a paper of mine: Kirkegaard, E. O. W. (2022). Admixture and Social Status in Chile. Mankind Quarterly,…
Mainstreamers keep making progress: educational attainment variation “likely” caused by ancestry variation in Europe
Lawson, D. J., Davies, N. M., Haworth, S., Ashraf, B., Howe, L., Crawford, A., ... & Timpson, N. J. (2020). Is population structure in the genetic biobank era irrelevant, a…
New paper out: Global Ancestry and Cognitive Ability (PNC study)
Lasker, J., Pesta, B. J., Fuerst, J. G., & Kirkegaard, E. O. W. (2019). Global Ancestry and Cognitive Ability. Psych, 1(1), 431-459. Using data from the Philadelphia Neurodevelopmental Cohort, we…
What you can’t say: genetic group difference edition
Paul Graham's 2004 essay What you can't say had a big influence on me and remains my favorite essay. In he argued essentially that popular morality shows fashion tendencies i.e.…
Environmentalists like admixture analysis too (until they don’t)
See previous post about quotes from the medical genetics and physical anthropology literature on admixture analysis and the causal interpretation. There's quite a few older admixture studies that examined relationships…
Admixture analysis and genetic causation: some quotes from the literature
A common comment on bias in scientific peer review is that reviewers don't usually say openly they are applying double standards. Instead, they just silently increase their standards. If their…