Enlarge / A chimpanzee named Ayumu participates in an eye-tracking session in an experimental booth. (credit: A. Goncalves et al., 2022) Swiss primatologist Christophe Boesch once commented on a picture of a chimpanzee skull, pondering, “What goes on in the chimpanzee’s mind when they see such a sight in the forest? ” We might not yet […]
