Welcome and Introduction

In primates and humans alike, the number of social relationships an individual can have is constrained in part by its social cognitive competences and in part by the time available to invest in face-to-face interaction. I will show that time, in particular, has a significant effe ...  Show more

Tooby and deVore argued that hominin evolution hinged on the exploitation of a unique 'cognitive niche'. We propose that a diversity of evidence indicates this was fundamentally a socio-cognitive niche. Analysis of hunter-gatherer ethnologies confirms unprecedented levels of egal ...  Show more