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 …

Why do many societies moralize apparently harmless pleasures, such as lust, gluttony,
alcohol, drugs, and even music and dance? Why do they erect temperance, asceticism …

Indirect reciprocity (IR) is a key mechanism to understand cooperation among unrelated
individuals. It involves reputations and complex information processing, arising from social …

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 …

Gossip—a sender communicating to a receiver about an absent third party—is hypothesized
to impact reputation formation, partner selection, and cooperation. Laboratory experiments …

Cooperation is widespread in nature, occurring in every taxa on Earth. Nevertheless, the
contexts in which cooperation occurs—and the forms it takes—vary widely. In this Review …

Why do many people moralize harmless bodily pleasures, such as gluttony, masturbation,
and drinking alcohol? In three pre-registered experiments (N > 1,600), we investigated …

Some comparative ontogenetic data imply that effective working-memory capacity develops
in ways that are independent of brain size in humans. These are interpreted better from …

The social punishment (SP) of norm violations has received much attention across multiple
disciplines. However, current models of SP fail to consider the role of motivational …

Cross-cultural research on moral reasoning has brought to the fore the question of whether
moral judgements always turn on inferences about the mental states of others. Formal legal …