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.

I received a D.Sc. from the University of London in 1992.

But with each passing year and each new study, the evidence for the genetic contribution to these [individual and group] differences becomes more firmly established than ever.

Those objecting to the concept of race argue that the taxonomic definitions are arbitrary and subjective.

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

Each race (or variety) is characterized by a more or less distinct combination of inherited morphological, behavioral, physiological traits.

We emigrated to South Africa and later to Canada so I went to school in several places.