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

Here I review recent research on reproductive conflict between females in families and how
it influences their reproductive behaviour. Kin selection can favor cooperation between …

Inequality between the sexes is pervasive both outside and inside the home. One
contributing factor could be the dispersal of one sex at marriage that sets up sex-specific …

ABSTRACT The matrilineal Mosuo of Southwest China have been described as the only
human society that lacks fathers and husbands. These claims are based on ethnographic …

Why parents in some societies induce some of their sons to become religious celibates is an
evolutionary puzzle. Some have speculated that this might be associated with brother …

Within evolutionary psychology, a dominant assumption is that adaptive variation in fast
versus slow life history strategies centrally includes variation in sociosexual orientations …

Traditional norms of human societies in rural China may have changed owing to population
expansion, rapid development of the tourism economy and globalization since the 1990s; …

Kinship provides the fundamental structure of human society: descent determines the
inheritance pattern between generations, whereas residence rules govern the location a …

Matrilineal kinship systems—where descent is traced through mothers only—are present all
over the world but are most concentrated in sub-Saharan Africa. We explore the relationship …

Honour cultures, characterized by violent responses to perceived threats to personal or
family honour, are widespread. Honour killings, one of the manifestations of honour cultures …