When Townrow asked, "Where is the grape?" and waited ten seconds, the bonobos would often point to the correct cup, especially when he had not seen where the treat was hidden. In cases where Townrow ...

Apes can tell when humans lack knowledge. They help by pointing to hidden treats. This suggests they understand others' ...

Apes don’t just act on instinct—they recognize when someone lacks information and actively help them out! In a controlled ...