A lot of human society requires what’s called a “theory of mind”—the ability to infer the mental state of another person and adjust our actions based on what we expect they know and are thinking. We ...

Cooperation is a pillar of human society, promoting an exchange of skills and knowledge between different individuals and ...

The peeps, hoots and grunts of wild bonobos, a species of great ape living in the African rainforest, can convey complex thoughts in a way that mirrors some elements of human language, a new study ...

Bonobos, one of humanity’s closest relatives, appear to string together vocal calls in ways that mirror a key feature of the human language, a new study carried out in the forests of the Democratic ...