Why do we believe things that aren't true?

How do we become so polarized in our beliefs? Philip Fernbach looks at the power and responsibility of human intelligence to think collectively. This talk was filmed at TEDxMileHigh. All TEDx events are organized independently by volunteers in the spirit of TED's mission of ideas worth spreading. To learn more about TEDxSHORTS, the TEDx program, or give feedback on this episode, please visit go.ted.com/tedxshorts. Follow TEDx on Twitter: twitter.com/TEDx Follow TEDx on Instagram: instagram.com/tedx_official Like TEDx on Facebook: facebook.com/TEDxEvents