The theory of Dunbar’s number holds that we can only really maintain about 150 connections at once. But is the rule true in today’s world of social media? If you’ve ever been romantically rejected by ...

One of the subtle joys of a psychologist's career is to describe the limits of cognition. Psychologists love to declare that the mind is capable of great things, but only up to a point. For any given ...

Common wisdom says that internet social networking allows us to expand our circle of friends, but a recent study says, not so fast, we're as limited in our social contacts as we ever were. You may ...