This article evaluates a thesis containing three interconnected propositions. First, romantic
love is a “commitment device” for motivating pair-bonding in humans. Second, pair-bonding …

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 …

A scientist integrates evolutionary biology, genetics, psychology, economics, and more to
explore the development and workings of human societies.“There is no good reason why …

Much attention has been focused on control of fire in human evolution and the impact of
cooking on anatomy, social, and residential arrangements. However, little is known about …

Social status motivates much of human behavior. However, status may have been a
relatively weak target of selection for much of human evolution if ancestral foragers tended …

Whether upheld as heroic or reviled as terrorism, people have been willing to lay down their
lives for the sake of their groups throughout history. Why? Previous theories of extreme self …

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 …

Many researchers have turned to evolutionary theory to better understand diversity in
leadership. Evolutionary theories of leadership, in turn, draw on ethnographic cases of …

Although common in birds, social monogamy, or pair-living, is rare among mammals
because internal gestation and lactation in mammals makes it advantageous for males to …

Recent studies of the evolution of religion have revealed the cognitive underpinnings of
belief in supernatural agents, the role of ritual in promoting cooperation, and the contribution …