Most men probably wouldn't want to live the lives of bonobos. They're constantly clinging to their mothers' apron strings. They lack the ability to make decisions about their own fates, something that we and male chimpanzees practically consider our birthright.

People want to work with somebody who feels shame, who worries about the perceptions of others. Dishonesty is something we don't like in others.

Male bonobos really don't fit the human male ideal.

The primate laugh is given in playful contexts, and as such has a strong similarity to the human laugh.

Humanity is actually much more cooperative and empathic than [it's] given credit for.

The evolutionary struggle for survival is really a self-serving series of blows and stabs, and yet it can lead to extremely social animals like dolphins, wolves or, for that matter, primates.

Exclusive homosexuality is not very common in nature.