When one individual helps another, it benefits the recipient and may also gain a reputation
for being cooperative. This may induce others to favour the helper in subsequent …

Across species, social hierarchies are often governed by dominance relations. In humans,
where there are multiple culturally valued axes of distinction, social hierarchies can take a …

Large-scale non-kin cooperation is a unique ingredient of human success. This type of
cooperation is challenging to explain in a world of self-interested individuals. There is …

Mechanisms of social control reinforce norms that appear harmful or wasteful, such as
mutilation practises or extensive body tattoos. We suggest such norms arise to serve as …

The extent of inequality in material wealth across different types of societies is well
established. Less clear, however, is how material wealth is associated with relational wealth …

Research in various disciplines has highlighted that humans are uniquely able to solve the
problem of cooperation through the informal mechanisms of reputation and gossip …

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 …

Why do people adorn themselves with elaborate body piercings or tattoos, wear obstructing
garbs, engage in life-threatening competitions and other wasteful and harmful but socially …

With the rise of social media in people's lives, the tendency to donate through social media
platforms has increased tremendously. The positive attitudes of social media users towards …

Public ritual acts convey strategic information about the qualities of ritual actors. Although a
prolific literature has examined their role in coordinating collective action in a variety of …