"Despite increases in women's employment, there is little toleration for men not remaining employed breadwinners," they wrote. "A deviation from this norm appears to make either partner more likely to leave… men's nonemployment increases divorce because it violates norms."

There’s little correlation between a group’s collective intelligence and the IQs of its individual members. But if a group includes more women, its collective intelligence rises.

It turns out that of 2,052 people surveyed, nearly as many women (49%) play online video games as men (50%), putting a stake (if not the first) through the notion that men are more into online gaming than women.