How do we judge manliness and femininity? One way is to look at the whites of people’s eyes, scientists have found.Called the ‘sclera’, the white is yellower and redder in men, but bluer and greener in women, and we unconsciously notice the difference.‘People use sclera colour as a cue for making sex-related judgments about faces. It’s not something that people are consciously aware of,’ said study chief Professor Richard Russell from Gettysburg College in in the US.
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