Examining biological diversity in an explicitly evolutionary context has been the subject of
research for several decades, yet relatively recent advances in analytical techniques and the …

BACKGROUND Whereas early studies of animal evolution focused principally on the
adaptations of different species to their physical environment, more recent studies have …

Social organisation in animals takes many forms. It includes assemblages of territorial
animals, dominance hierarchies and social groups, among other things. The basic tenet that …

Considerable interspecific variation in female social relationships occurs in gregarious
primates, particularly with regard to agonism and cooperation between females and to the …

Renewed interest in fission-fusion dynamics is due to the recognition that such dynamics
may create unique challenges for social interaction and distinctive selective pressures …

We review evolutionary processes and mechanisms that gave rise to the diversity of primate
social systems. We define social organization, social structure and mating system as distinct …

Cooking is a human universal that must have had widespread effects on the nutrition,
ecology, and social relationships of the species that invented it. The location and timing of its …

Research into the lives of animals in their natural environments has revealed a rich tapestry
of complex social relationships and previously unsuspected social and mating systems. The …

Although much attention has been focused on explaining and describing the diversity of
social grou** patterns among primates,,, less effort has been devoted to understanding …

Why do people resort to plastic surgery to look young? Why are stepchildren at greatest risk
of fatal abuse? Why do we prefer gossip to algebra? Why must Dogon wives live alone in a …