Why Are We Attracted to People Who Look Like Us?

It's always a little weird when a couple looks like they could be related, but Brit explains the science behind why it's not totally creepy! It involves percentages and kind of uncomfortable rating systems!

Hosted by: Brit Garner
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Sources:
https://www.ncbi.nlm.nih.gov/pmc/arti...
http://journals.plos.org/plosone/arti...
http://www.psychology.nottingham.ac.u...
https://www.researchgate.net/publicat...
http://www.pnas.org/content/111/22/79...
http://www.sciencemag.org/news/2009/1...
https://www.researchgate.net/profile/...
http://philipperushton.net/wp-content...
http://philipperushton.net/wp-content...