A race is what zoologists term a variety or subdivision of a species.

On average, the Chinese, Koreans, and Japanese are more similar to each other and are different from Australians, Israelis and the Swedes, who in turn are similar to each other and are different from Nigerians, Kenyans, and Jamaicans.

The mean pattern of educational and economic achievement within multi-racial countries such as Canada and the United States has increasingly been found to prove valid internationally.

Nonetheless, much has been learned by studying the statistical differences between the various human races.

Race differences show up early in life.

I then moved to the University of Western Ontario where I was made a full professor in 1985.

The biological factors underlying race differences in sports have consequences for educational achievement, crime and sexual behavior.