A synthesis has been forming in the field of human biodiversity. It may be summarized as follows: 1. Human evolution did not end in the Pleistocene or even slow down. In fact, it speeded up with the advent of agriculture 10,000 years ago, when the pace of genetic change rose over a hundred-fold. Humans were... Read More

Children making pillow lace for a home workshop. Germany, 1847. During the early stages of Europe’s market economy, successful entrepreneurs would expand their workforce by having more children. There are several obstacles to our understanding of geographic variation in human mental performance. First, the subject is taboo. When people do discuss it, they often resort... Read More