Bonobo, eyes
iStock-Jeff McCurry

 Scientist have detected the same eye patterns in humans, chimpanzees and bonobos despite contradictions from previous studies.

Scientists have shown that the contrast between the white of human eyes, the sclerae, and the iris allows others to tell the direction of our gaze. Such ability allows humans to commence social learning and other social skills.

However, the sclerae of an ape’s eye is often much darker than the humans’, leading scientists to believe their gaze is hidden, meaning that apes would not be able to see where the other apes are looking.

Scientists from the National University of Singapore (NUS) as well as collaborators from the University of St Andrews and Leiden University, hav

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