Humans are an ultrasocial species. This sociality, however, cannot be fully explained by the
canonical approaches found in evolutionary biology, psychology, or economics …

The challenge of studying human cognitive evolution is identifying unique features of our
intelligence while explaining the processes by which they arose. Comparisons with …

From the# 1 New York Times bestselling author of Sapiens comes the groundbreaking story
of how information networks have made, and unmade, our world. For the last 100,000 years …

INTRODUCTION Music is often assumed to be a human universal, emerging from an
evolutionary adaptation specific to music and/or a by-product of adaptations for affect …

Two major types of aggression, proactive and reactive, are associated with contrasting
expression, eliciting factors, neural pathways, development, and function. The distinction is …

We develop a cultural evolutionary theory of the origins of prosocial religions and apply it to
resolve two puzzles in human psychology and cultural history:(1) the rise of large-scale …

Host-associated microbiomes play an increasingly appreciated role in animal metabolism,
immunity and health. The microbes in turn depend on their host for resources and can be …

We argue that because of a long history of intergroup conflict and competition, humans
evolved to be tribal creatures. Tribalism is not inherently bad, but it can lead to ideological …

Many researchers assume that until 10–12,000 years ago, humans lived in small, mobile,
relatively egalitarian bands. This “nomadic-egalitarian model” suffuses the social sciences. It …

The psychological, sociological and evolutionary roots of conspecific violence in humans
are still debated, despite attracting the attention of intellectuals for over two millennia …