Natalie Wolchover imagines how society would change if our IQs increased to twice their levels today:
Although people like to blame social problems on human ignorance and stupidity, the scientists say removing these factors would not lead to the emergence of a harmonious Utopia. Greater intelligence does not come hand-in-hand with a greater ability to cooperate.
"Intelligence is independent of personality and emotion, so you can have very intelligent people who are also just kind of crazy people," Haier said. "Even if everyone had an IQ of 200, you'd have exactly the same range of personalities as you have now, and because that's a determining factor in how good your society is, you won't necessarily have a better society."
The Dish 