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We make split second decisions about others \u2013 someone is male or female, black or white, us or them. But sometimes the degrees of separation are incredibly few. A mere handful of genes determine skin color, for example.\nFind out why race is almost non-existent from a biological perspective, and how the snippet of DNA that is the Y chromosome came to separate male from female.\nPlus, why we\u2019re wired to categorize. And, a groundbreaking court case proposes to erase the dividing line between species: lawyers argue to grant personhood status to our chimpanzee cousins.\nGuests:\n\n\nDavid Page \u2013 Biologist and geneticist, at the Whitehead Institute for Biomedical Research and the Massachusetts Institute of Technology\n\n\nStephen Stearns \u2013 Evolutionary biologist, Yale University\n\n\nJohn Dovidio \u2013 Social psychologist at Yale University\n\n\nSteven M. Wise \u2013 Lawyer, Nonhuman Rights Project\n\nDescripci\xf3n en espa\xf1ol\nLearn more about your ad choices. Visit megaphone.fm/adchoices