Dysgenics: within and between
Lyman Stone has a new post over at Institute for Family Studies: Are We Headed Towards ‘Idiocracy’? A Look at ‘Dysgenic Fertility’. His main point is that the strength of…
Good immigrants, bad immigrants: Dutch edition
People have been posting results from this new Dutch study of immigration, so I thought I would cover it here to increase the reach. van de Beek, J., Hartog, J.,…
Selective migration and regression towards the mean
There is much discussion in these days about immigration to the West, and in particular, skilled migration to the United States. Critics of migration often point to regression towards the…
German immigrant IQ is about 85 according to new study
Heiner Rindermann strikes back with a new study of immigrants in Germany: Rindermann, H., Klauk, B. & Thompson, J. (2024). Intelligence of refugees in Germany: levels, differences and possible determinants.…
“Surprisingly low IQs in developing countries”, we don’t want to know, thanks
Back in May this year, German intelligence researcher Heiner Rindermann published this study: Rindermann, H. (2024). Surprisingly low results from studies on cognitive ability in developing countries: are the results…
The Flynn effect and the co-occurrence model
Jonathan Egeland has an excellent recent paper on the Flynn effect and its paradoxes: Egeland, J. (2022). The ups and downs of intelligence: The co-occurrence model and its associated research…
European polygenic scores predict Chinese provincial differences too
If you haven't seen my new article about the new David Reich lab ancient genomes results in Aporia magazine yet, head over there now: Overwhelming evidence of recent evolution in…
Overwhelming evidence of recent evolution in West Eurasians
David Reich's team has a new kickass preprint out: Akbari, A., Barton, A. R., Gazal, S., Li, Z., Kariminejad, M., Perry, A., ... & Reich, D. (2024). Pervasive findings of…
Explaining global variation in internet speed
I saw this on Twitter earlier today: The narrative seemed right, so at first I retweeted. But then I looked closer at the map and realized it couldn't be right.…
Conspiracies and their believers
Summary Conspiracy theory has negative connotations of falseness, implausiblity or irrationality, but we also know many conspiracies are true, ranging from the ordinary criminal case (conspiracy to commit murder) to…
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