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Your Eye Whites Aren't a Human Trademark
Your Eye Whites Aren't a Human TrademarkPeople treat the bright white around the iris as a human-only signal for cooperative gaze. Later chimpanzee photos and a fifteen-species pigmentation map break that uniqueness story. A 2022 gaze experiment still shows uniformly white sclera can make looking direction easier to read, even when the trademark claim fails.Edward and Lily unpack the evidence,…
Duration: 6:22
- eLife — Kano et al. 2022 gaze visibility
- are-not-uniquely-human- University of Melbourne Pursuit — why we show eye whites
- 021-92348-z- Popular Science — why humans have white sclera
- news.asu.edu
- doi.org
- dansplain.xyz
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