If cities are bad, why do people move there?
This is a natural follow-up to my prior post about fertility, and how cities (or population density in some sense) cause fertility to decline. In fact, cities seem to be…
Supreme Court, Supreme Issues
I have long been annoyed by how the US Supreme Court (SCOTUS) seemed to work, so I decided to look more into this by reading a short textbook on the…
Measurement error and group differences explained
I have often talked about how measurement error impacts correlations between two variables. Here we are talking about classical measurement error, which is theoretically understood as adding a normally distributed…
Why woke? What to do about it?
I am a little late to the party, but I too want to post my reviews of 2 recently high grade books on the woke phenomenon and what to do…
Fertility questions: the role of population density?
There is a worldwide decline in fertility: The COVID-19 years seem to have been particularly bad on some countries. The poster child for future problems is South Korea: Even Reuters…
My conversion story, or a brief autobiography
I sometimes get asked how it is that I got into this unusual field. Of course, as with all autobiographies, there will be some distortions and poor memory along the…
The role of censorship in science
A new many-author paper makes the case that censorship is rampant in science: Clark, C. J., Jussim, L., Frey, K., Stevens, S. T., Al-Gharbi, M., Aquino, K., ... & von…
Taking the human extended phenotypes seriously
Back in 1982 Richard Dawkins wrote a book called The Extended Phenotype, which argued that the "phenotype should not be limited to biological processes such as protein biosynthesis or tissue…
Heritability, within and between groups
There is a new preprint that's making the rounds on Twitter: Schraiber, J. G., & Edge, M. D. (2023). Heritability within groups is uninformative about differences among groups: cases from…
What if somewhere, someone used to look at their polygenic scores?
Undark magazine has a new piece out where a journalist expresses concern about people looking at their own DNA results: From a Fledgling Genetic Science, A Murky Market for Prediction.…
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