From an evolutionary perspective, followership is puzzling because it is not clear why
individuals would relinquish their autonomy and set aside their personal goals to follow …

I review the theoretical and experimental literature on the collective action problem in groups
whose members differ in various characteristics affecting individual costs, benefits and …

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

What is morality, where does it come from, and how does it work? Scholars have struggled
with these questions for millennia. But we now have a scientific answer. The theory of …

We propose that networks of cooperation and allocation of social status co-emerge in
human groups. We substantiate this hypothesis with one of the first longitudinal studies of …

Evolutionary perspectives are part of any comprehensive explanation of leadership and,
more generally, hierarchy formation in groups. This editorial describes contributions to a …

Conflict with conspecifics from neighbouring groups over territory, mating opportunities and
other resources is observed in many social organisms, including humans. Here we …

A crucial step in recent theories of human origins is the emergence of strong pair-bonding
between males and females accompanied by a dramatic reduction in the male-to-male …

Regardless of what particular academic track you may have followed as a college
undergraduate, whether it was paleoanthropology, archaeology, biology, geosciences, or …

When group interests clash with individual ones, maintaining cooperation poses a problem.
However, cooperation can be facilitated by introducing reputational incentives. Through …