A bonobo demonstrated the ability to track imaginary objects in controlled tests, challenging the belief that imagination is uniquely human and hinting at deep evolutionary roots. In a set of ...

A bonobo named Kanzi surprised scientists by successfully playing along in pretend tea party experiments, tracking imaginary juice and grapes as if they were real. He consistently pointed to the ...

Humans aren't the only species that can pretend, a study shows. Scientists offered a bonobo imaginary juice and grapes in a make-believe tea party, and the ape played along.

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 ...

World Bonobo Day reminds us that one of our closest relatives lives by cooperation, not conflict, and now faces serious ...