The aim of this contribution is to attempt to understand the adaptive functions of father-child
rough-and-tumble play (RTP) in humans. We first present a synthesis of the known …

As observed in recent centuries, the contemporary variety of kinship systems reflects
millennia of human migration, cultural inheritance, adaptation, and diversification. This …

Although uniquely destructive and wasteful, intergroup conflict and warfare are not confined
to humans. They are seen across a range of group-living species, from social insects, fishes …

Public supervision, as a source of social behavioral norms and moral guidelines, exerts
important guidance and influence on individuals. To maintain public order, in this study, we …

Autocatalytic networks have been used to model the emergence of self‐organizing structure
capable of sustaining life and undergoing biological evolution. Here, we model the …

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

Human cooperation (paying a cost to benefit others) is puzzling from a Darwinian
perspective, particularly in groups with strangers who cannot repay nor are family members …

Humans inhabit the widest range of ecological and social niches of any mammal. Yet each
ecological and social environment presents a set of challenges that we must solve in order …

No other species remotely approaches the human capacity for the cultural evolution of
novelty that is accumulative, adaptive, and open-ended (ie, with no a priori limit on the size …

It is widely believed that human culture originated in the appearance of Oldowan stone-tool
production (circa 2.9 Mya) and a primitive but effective ability to copy detailed know-how …