Linking morality and science can conjure up disturbing histories around social Darwinism, eugenics, and genetically engineered humans. But scientists today are making discoveries that moral agents shouldn’t ignore: how to overcome aggression and tribalism, and how to sustain cooperation in a modern pluralist world. Guests: Diane Paul, professor emerita of the University of Massachusetts, Boston and research associate at the Harvard University Museum of Comparative Zoology. Ben Allen, associate professor of mathematics at Emmanuel College. Steven Pinker, professor of cognitive psychology at Harvard University and bestselling author of The Better Angels of Our Nature, The Language Instinct, The Blank Slate, and many others. Learn more about your ad choices. Visit megaphone.fm/adchoices