Psychologists from Durham University, UK, have observed the behavior of 90 sanctuary-living apes to establish whether bonobos were more likely than chimpanzees to comfort others in distress. The study ...

Within-group cooperation (i.e., among closely related individuals), is to varying degrees observed among a significant number of animal species. However, peaceful encounters and cooperation between ...

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 ...

As humans have wondered about their own capacities for thought and imagination, so too have they wondered about the mental faculties of animals. What is the inner life of, say, a lower primate like?

Bonobos are seen during the reopening of Cologne's zoo during the coronavirus crisis on May 5, 2020 in Cologne, Germany. - Jörg Schüler/Getty Images Children love to play pretend, holding imaginary ...

A series of stunning findings about great apes’ mental capabilities in recent years has transformed how we see our closest relatives ...

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