cousin marriage

When did NW Europeans become WEIRD? Not from lack of inbreeding

Post author:Emil O. W. Kirkegaard
Post published:29. January 2025
Post category:Genomics History Psychology

Joseph Henrich published two books based on the Hajnal line or WEIRD (Western Educated, Industrialized, Rich, Democratic) personality cluster idea (The Secret of Our Success 2016; The WEIRDest People in…

How closely related is your spouse?

Post author:Emil O. W. Kirkegaard
Post published:7. February 2021
Post category:Genetics / behavioral genetics Psychology

I have written on the children produced by mixed-race couples before, and since it went so well, it's time to try again. Only this time, another angle: the parents themselves.…