[T]he same sex differences in occupational preferences have been found in every society where psychologists have looked for them. In one large study … - Steve Stewart-Williams

Members of both sexes can be found at every point on the things vs. people continuum; however, more men than women exhibit a stronger interest in things, whereas more women than men exhibit a stronger interest in people... To get an intuitive sense of the magnitude of the difference, if one were to pick pairs of people at random, one man and one woman, the man would be more things-oriented than the woman around 75% of the time.

Jane Goodall once wrote about a female chimpanzee who mated with more than fifty males in a single day. This is uncommon among human beings, even in LA.

People who object to the by-product hypothesis [for female orgasm] are doing something strange: They're saying that it's hugely important to them that female orgasm turns out to be an adaptation, like vomiting, cobra venom, and the scorpion's stinger, rather than a "mere" cultural invention, like science, medicine, and the Universal Declaration of Human Rights.