If Townrow couldn’t see where the treat was hidden, the bonobo would point at the cup quite emphatically. “We predicted that if apes were really tracking ignorance, when their partners lacked ...

In the study's experiments, three male bonobos took turns to play a game with a researcher where treats were hidden under cups – sometimes while the researcher was watching, and sometimes not. If the ...

This one-hour program is divided into six chapters. Choose any chapter below and select QuickTime or Windows Media Player to begin viewing the video. If you experience difficulty viewing, it may ...