Onceakidisborn,theirgeneticfateisprettymuchsealed.Orisit? Inthisepisode,originallyairedin2012, weputnatureandnurtureonacollisioncourseanddiscoverhowoutsideforcescanfindawayinsideus,andchangenotjustourheartsandminds,butthebasicbiologicalblueprintthatwepassontofuturegenerations.SupportRadiolabbybecomingamemberof TheLab today.    

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