Different: gender through the eyes of a primatologist

Toys are us: how boys, girls, and other primates play

Gender: identity and self-socialization

Six boys: growing up sisterless in the Netherlands

The wrong metaphor: exaggerating primate patriarchy

Bonobo sisterhood: the forgotten ape revisited

Sexual signals: from genitals to faces to beauty

The mating game: the myth of the demure female

Violence: rape, murder, and the dogs of war

Alpha (fe)males: the difference between dominance and power

Keeping the peace: same-sex rivalry, friendship, and cooperation

Nurturance: maternal and paternal care of the young

Same-sex sex: animals carrying the rainbow flag

The trouble with dualism: mind, brain, and body are one.