The bioarchaeological record has an abundance of scientific evidence based on skeletal
indicators of trauma to argue for a long history of internal and external group conflict …

Out-group conflict is rife in the natural world, occurring from primates to ants. Traditionally,
research on this aspect of sociality has focused on the interactions between groups and their …

Chimpanzee and hunter-gatherer intergroup aggression differ in important ways, including
humans having the ability to form peaceful relationships and alliances among groups. This …

The Handbook of Moral Development is the definitive source of theory and research on the
development of morality. Since the publication of the first edition, ground-breaking …

Evolutionary anthropologists seek to understand the evolution of warfare across multiple
timescales, from the roots of warfare in the intergroup aggression of our primate ancestors …

Modern humans live in an “exploded” network with unusually large circles of trust that form
due to prosociality toward unfamiliar people (ie xenophilia). In a set of experiments we …

Why are men, like other primate males, usually the aggressors and risk takers? Why do
women typically have fewer sexual partners? In Why Sex Matters, Bobbi Low ranges from …

A growing body of evidence shows that humans are remarkably altruistic primates. Food
sharing and division of labor play an important role in all human societies, and cooperation …

How gender and sexuality can be life threatening Though violence against women has
received increasing attention from scholars and the general public alike, much of the …

Humans are thought to possess a unique proclivity to share with others–including strangers.
This puzzling phenomenon has led many to suggest that sharing with strangers originates …