Chanda Chisala has written another piece on IQ and African immigrants to the UK: The correct term is not "regression to the mean." It's "non-inheritance of acquired characteristics." In other words, each person has a single genotype and a range of possible phenotypes. A culture can push its members to either limit of this range,... Read More

One of my interests is affective empathy, the involuntary desire not only to understand another person's emotional state but also to make it one's own—in short, to feel the pain and joy of other people. This mental trait has a heritability of 68% and is normally distributed along a bell curve within any one population... Read More

All humans love to kiss, so kissing must go back to early hominids and even chimps and bonobos. This is how ethologists and evolutionary psychologists think when they write about the subject. Just one thing. Even in historic times not all humans loved to kiss. Far from arising millions of years in the past, kissing... Read More