Fall of the Roman Empire, polygenic score edition
We have a new study out: Piffer, D., Dutton, E., & Kirkegaard, E. O. W. (2023). Intelligence Trends in Ancient Rome: The Rise and Fall of Roman Polygenic Scores. OpenPsych,…
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%…
56 GB of Emil
I recently had my full genome sequenced at Nebula genomics for their 30x. The results were satisfactory: Good eyes too: Literally unbreakable: You ready to get your own great results?…
Italian north-south genetic differences confirmed
Davide Piffer and Richard Lynn has a new study out: Piffer, D., & Lynn, R. (2022). In Italy, North-South Differences in Student Performance Are Mirrored by Differences in Polygenic Scores…
Ancient eugenics confirmed
I've written many times about the current dysgenic selection in humans, where evolution seems to be going the wrong way according to our preferences. Specifically, after the industrial revolution, the…
The genetics of mental illness
In popular discourse and the media, the debate is between those who recognize significant genetic causation in mental illnesses versus the status quo blank slate people who leave all such…
What have we learned from the 2022 education GWAS?
Okbay, A., Wu, Y., Wang, N., Jayashankar, H., Bennett, M., Nehzati, S. M., ... & Young, A. I. (2022). Polygenic prediction of educational attainment within and between families from genome-wide…
Book review: David Sinclair – Lifespan: Why We Age—and Why We Don’t Have To (2019)
David A. Sinclair - Lifespan: Why We Age—and Why We Don't Have To, 2019 (free ebook is on libgen) I know Scott Alexander has already reviewed this, but since I…
The Bird paper, and hereditarian predictions
I keep getting asked about this, so I figure a short note is in order. Some months ago, Commie Kevin (Twitter) AKA. Kevin Bird published an anti-hereditarian study: Bird, K.…
New paper out: Genetic ancestry and social race are nearly interchangeable
I've got a new paper out of some nontrivial interest to many. Kirkegaard, E. O. W. (2021). New paper out: Genetic ancestry and social race are nearly interchangeable. OpenPsych It…