Women and girls cooperate with each other across many domains and at many scales.
However, much of this information is buried in the ethnographic record and has been …

Cultural and evolutionary explanations are often seen as rivals in the social sciences. It is
therefore not surprising that these perspectives have also communicated little in leadership …

Neuroanthropology is the integration of neuroscience into anthropology and aims to
understand “brains in the wild.” This interdisciplinary field examines patterns of human …

The many tools that social and behavioral scientists use to gather data from their fellow
humans have, in most cases, been honed on a rarefied subset of humanity: highly educated …

Cooperative networks are essential features of human society. Evolutionary theory
hypothesizes that networks are used differently by men and women, yet the bulk of evidence …

Current scientific reforms focus more on solutions to the problem of reliability (eg direct
replications) than generalizability. Here, we use a cross-cultural study of social discounting …

Humans rely on both kin and non-kin social ties for a wide range of support. In patrilocal
societies that practice village exogamy, women can face the challenge of building new …

The relative importance of social evolution theories such as kin selection, direct reciprocity
and need-based transfers in explaining real-world cooperation is the source of much …

Evolutionary studies of cooperation in traditional human societies suggest that helping
family and responding in kind when helped are the primary mechanisms for informally …

Helping behaviour is thought to play a major role in the evolution of group-living animals.
Yet, it is unclear to what extent human males and human females use the same strategies to …