The human clitoris is a scientific iceberg, both physically and figuratively. In the past, research on our species' clitoris has been superficial at best, and even the tiny bit that we think we know now is not always right. The clitoris is often said to house 8,000 nerve endings – 'double' that of the penis – but new findings, presented at a scientific meeting in October, suggest that's a serious underestimation of both sex organs. The study is not yet peer-reviewed, but at least the results are on track to be properly scrutinized. The numbers most often cited for the...