View full lesson: http://ed.ted.com/lessons/science-can-answer-moral-questions-sam-harrisQuestions of good and evil, right and wrong are commonly thought unanswerable by science. But Sam Harris argues that science can -- and should -- be an authority on moral issues, shaping human values and setting out what constitutes a good life.Talk by Sam Harris.
Learn more about your ad choices. Visit megaphone.fm/adchoices
