NUS study reveals similarities in human, chimpanzee, and bonobo eye colour patterns

Studies have suggested that the contrast between the white of human eyes – known as the sclerae – and the colourful irises allows others to detect the direction of our gaze. The ability to detect gaze is important as many other human skills, such as social learning, seem to depend on this.<br /&g …
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Enlace: NUS study reveals similarities in human, chimpanzee, and bonobo eye colour patterns