Photo shows an orphaned chimpanzee rescued from being sold as a pet in the Republic of Guinea

Tech Insider : Environment
A chimpanzee grasps the wrought iron bars of its enclosure and looks directly at the camera with deep brown eyes.
This orphaned chimpanzee was being held until it could be rehabilitated into the wild.

Roberto García-Roa / Wildlife Photographer of the Year

Apes can remember friends they haven't seen for over 25 years, a new study shows. That's longer than a dolphin's memory.

Tech Insider
Two chimps interacting while on some tree branches.
Apes, which bonobos and chimpanzees, are highly social.

Kate Grounds/Edinburgh Zoo

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