Dysgenics for whom?
Some time ago, we published studies showing that the negative correlation between intelligence and fertility varies by other factors. Specifically, we found that it varies by religiousness and conservatism, in…
African beauty
A friend sent me this study yesterday, so let's cover it here: Taddess, B., Zhang, L., & Trejo, S. (2025). Leveraging Genomic Data to Document Within-Race Attractiveness Penalties Among Black…
Admixture in Americas 2.0
We are finally ready to share our big follow-up to the first Admixture in the Americas project from 2016. Fuerst, J., & Kirkegaard, E. O. W. (2025, December 5). Continental…
New causal variant estimates for intelligence
There's a new genetic analysis of intelligence out: Chen, H., Liao, Y., Tang, L., Wei, X., Li, T., & Chen, W. (2025). Multivariate genome-wide analysis reveals shared genetic architecture and…
What did the new WGS UKBB study show?
I wasn't going to blog this, since I prefer not covering the same ground as others, but due to multiple requests and questions, I will cover it anyway. It's this…
Science vs. ideology on vertical transfers
Last year Marcus Feldman and Kevin Lala published one of those anti-hereditarian pieces: Lala, K. N., & Feldman, M. W. (2024). Genes, culture, and scientific racism. Proceedings of the National…
Newest releases from Nucleus and Herasight
Things are moving fast in the embryo selection sector. There was never really any technological barriers here the last 10+ years, just the usual social taboos and various incompetent people…
Herasight publishes their validation of IQ PGS; Nucleus open sources their models
There's two exciting news today in embryo selection. The technology is finally moving forward at an appreciable rate. Maybe we are not dysgenics doomed after all. First off, Herasight --…
How to norm a score
Suppose you have created a new scale of something ("Science Blog Rating Scale"). It can be psychology or some other soft science, but it doesn't have to be. Suppose you…
Book review: DNA, Race, and Reproduction (Emily Klancher Merchant (Editor), Meaghan O’Keefe (editor))
So I occasionally go out of my way to read left-wing historians, bioethicists and the like. In general, bioethicists are one of those occupations where they do the exact opposite…
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