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

Humans frequently perform extravagant and seemingly costly behaviors, such as widely
sharing hunted resources, erecting conspicuous monumental structures, and performing …

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 …

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 …

In the growing e-commerce market,“deceitful pricing for acquaintances” has increasingly
attracted widespread attention from all walks of life. To protect the rights of consumers and …

Gossip is believed to be an informal device that alleviates the problem of cooperation in
humans. Communication about previous acts and passing on reputational information could …

Academic journals provide a key quality-control mechanism in science. Yet, information
asymmetries and conflicts of interests incentivize scientists to deceive journals about the …

Symptoms of illness provide information about an organism's underlying state. This notion
has inspired a burgeoning body of research on organisms' adaptations for detecting and …

The cultural group selection (CGS) approach provides a compelling explanation for recent
changes in human societies, but has trouble explaining why our ancestors, rather than any …

Studies on third‐party punishment (TPP) have shown it promotes cooperation and prosocial
behaviour, albeit at a cost to the punisher. Contrary to the view that such punishment is …