Human reasoning is remarkably shallow - in fact, our thinking and justifications just scratch the surface of the true complexity of the issues we deal with. The ability to think may still be the greatest wonder in the world, but the way that individuals think is less than ideal. Sloman and Fernbach show that our intelligence resides not in individual brains but in the collective mind. A compelling case from two leading cognitive scientists that people are like bees and society is like a beehive.