This book is an expedition into a number of controversial issues in the social sciences with the intention of challenging the conventional wisdom on those issues. While most social science research is interesting and important, a fair amount of social science research is thinly disguised advocacy research in which conclusions too often precede inquiries. The primary topics are those that the journal Nature described as "Taboo." In order of the degree of censure, the topics are: race, sex differences, intelligence, and violence. The only way to examine these topics with the social science...