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 ...

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 ...

In a world where collaborative devices and horizontal organizations are multiplying, how can we think about human relational thresholds without sacrificing either the quality of links or collective ...