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Celebrity Doppelgangers: The Science of Looking Alike

Doris Day, clinical associate professor of dermatology at NYU, explains there is a mathematical model behind these identical faces.
01:38 | 07/10/2014

Transcript for Celebrity Doppelgangers: The Science of Looking Alike

Thanks, guys. Okay, next up on "Heat index." Celebrity donele gangers. Buzzfeed. Faces side by side looking eerily alike. What makes two people look the same and Reena ninan has the science behind the... See More
This transcript has been automatically generated and may not be 100% accurate.
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