Don't know something? Apes can tell

To get treats, apes eagerly pointed them out to humans who didn't know where they were, a seemingly simple experiment that demonstrated for the first time that apes will communicate unknown information in the name of teamwork. The study also provides the clearest evidence to date that apes can intuit another's ignorance, an ability thought to be uniquely human.

from All Top News -- ScienceDaily https://ift.tt/vK0G15P