The bonobo Nyota points to symbols on the lexigram board to communicate with humans. Great Ape Trust of Iowa photo.

Many researchers point to language as a clear dividing line between humans and our closest living relatives, the apes. The Great Ape Trust is dedicated to exploring the language skills of bonobos and orangutans.

This video from Slate presents a reporter’s visit to the Trust and his interactions with the apes and the lexigram boards they use to communicate.

Watch the video.

Visit The Great Ape Trust Web site to learn more.