Could any two people on earth be linked by a chain of no more than six acquaintances? Social psychology and network science have allowed this seemingly fallible claim to linger in the popular imagination for almost a century. It has achieved some familiarity through John Guare’s play Six Degrees of Separation (1990) as well as through several books. On top of being an incredibly interesting … Continue reading The psychology of ‘six degrees’: Inside the Watts-Strogatz model