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

The replication crisis facing the psychological sciences is widely regarded as rooted in
methodological or statistical shortcomings. We argue that a large part of the problem is the …

In this article, we present a tool and a method for measuring the psychological and cultural
distance between societies and creating a distance scale with any population as the point of …

While global patterns of human genetic diversity are increasingly well characterized, the
diversity of human languages remains less systematically described. Here, we outline the …

Marking a decade since the publication of “The weirdest people in the world,” this special
issue is dedicated to exploring how to improve the quality of the science produced by the …

Humans possess an extraordinary capacity for cultural production, from the arts and
language to science and technology. How did the human mind—and the uniquely human …

Humans are a puzzling species. On the one hand, we struggle to survive on our own in the
wild, often failing to overcome even basic challenges, like obtaining food, building shelters …

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 …

Psychology has traditionally seen itself as the science of universal human cognition, but it
has only recently begun seriously grappling with cross-cultural variation. Here we argue that …

Human cooperation is highly unusual. We live in large groups composed mostly of non-
relatives. Evolutionists have proposed a number of explanations for this pattern, including …