Miller and Kanazawa have a provocative article in Psychology Today which puts forward ten aspects of human nature that are definitely not politically correct. These aspects supposedly are supported by research evidence.
Examples include such things as people are naturally polygamous, from which women benefit more than men; having sons reduces the likelihood of divorce while beautiful people have more daughters; and men having a midlife crisis are just trying to replace their menopausal wife with younger women. There are lots more. My favorite is that Muslims are suicide bombers, not because of their religion, but because their societies are polygamous. Go read the article, it is fun and may even be right some of the time.