Everybody thinks they 'know' about sex, but we're continually surprised by the ways in which it controls us. With all the experts trying to explain our sexual impulses, is there such a thing as sexual intelligence? To find the answer, "Sexual Intelligence" explores the possibilities drawing on many authoritative sources as well as the insights of ordinary people as she explores the answers to questions such as: Are big penises really better? Why do we kiss? What is the only sexual organ whose sole purpose is to give pleasure?