Over the last two decades, red ochre has played a pivotal role in discussions about the
cognitive and cultural evolution of early modern humans during the African Middle Stone …

Quantitative cross-cultural databases can help uncover structure and diversity across human
populations. These databases have been constructed using a variety of methodologies and …

Convergent developments across social scientific disciplines provide evidence that rituals
are a psychologically prepared and culturally inherited behavioural hallmark of our species …

Causal inference from observational data is notoriously difficult, and relies upon many
unverifiable assumptions, including no confounding or selection bias. Here, we demonstrate …

Sex differences in religiosity are cross-culturally common and robust, yet it is unclear why
sex differences in some cultures are larger than in others. Although women are more …

Objectives Human childrearing is cooperative, with women often able to achieve relatively
high fertility through help from many individuals. Previous work has documented …

To secure the scientific credibility of its theoretical foundations, CSR needs to update its
cognitive model. Seminal work in CSR, and much contemporary research, employs a model …

Background: We explored associations between possible demographic and socioeconomic
causes of religious/spiritual beliefs and behaviours (RSBB) in the parental generation of the …

In low fertility settings, religious people tend to have larger families than non-religious
people. One way religious individuals may achieve larger relative family sizes is through …

The number of studies examining gender differences in the social relationship rewards
associated with costly religious practice has been surprisingly low. Here, we use data from …