Hank delves into the scientific reasons behind why we are attracted to the people we're attracted to. It's complicated.Like SciShow on Facebook: http://www.facebook.com/scishowFollow SciShow on Twitter: http://www.twitter.com/scishowReferences for this episode can be found in the Google document here: http://dft.ba/-3by3scishow, science, biology, sexual selection, evolution, darwin, sex, intercourse, mate, gene, peacock, human, survival, advantage, health, fertility, bilateral symmetry, waist, hip, testosterone, ratio, genetic, pheromone, immune system, major histocompatibility complex, MHC, offspring, attraction, sexy, attractive, origin of species, natural selection
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