Why Do Humans Have White Eyes? Gaze and Evolution
Why Do Humans Have White Eyes? Gaze and Evolution
Why do humans have such noticeable whites around their eyes? What can another person's gaze reveal—and how do humans compare with chimpanzees?
Explore human eye evolution, gaze following, and the cooperative eye hypothesis. This animated explainer examines the connection between eye appearance, social communication, and the questions scientists ask about our evolutionary past.
CHAPTERS
00:00 Why do human eyes look different?
00:45 Meet the sclera: the whites of our eyes
01:45 How gaze communicates attention
03:00 Human and chimpanzee eyes
04:20 The cooperative eye hypothesis
05:40 Evidence, questions, and limitations
07:00 What our eyes reveal about human origins
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