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…
How does one correct for measurement error in sibling models?
There was a lot of discussion regarding the corrections for measurement error used in the recent Herasight intelligence polygenic score paper. I covered it for Aporia. I want to dive…
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…
Government family spending does not predict fertility rates, or does it
Fertility rates are terrible in every good country except for Israel. Why is that? Well, maybe we just don't spend enough money on this. Maybe it is too expensive to…
The genetics of beliefs
Nathan Cofnas wrote a great piece the other day, Beating Woke with Facts and Logic, which included this part: Beliefs Aren’t Genetically Determined Should we execute murderers? Raise taxes on…
Indian IQ in 1944
Some of you may have seen this table posted on X: Upon seeing the table, some have mistakenly concluded that the first row has British world scale IQs, but as…
New paper: Psychometric Analysis of the Multifactor General Knowledge Test
A while ago, Seb Jensen and I did this new study, and it was only released now due to technical issues: Kirkegaard, E. O. W., & Jensen, S. (2025). Psychometric…
How much should we trust medicine? Review of Medical Nihilism (Jacob Stegenga)
There's a few main types of broad-side science criticism: Lowbrow religiously motivated typically focused on denial of biology (evolution) but sometimes expanding widely Verbal tilt philosophy, usually some brand of…
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