Dr. Nicole Mideo explores how evolutionary insight may force us to reexamine our concept of ‘self’. This talk was filmed at TEDxUofT. 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 http://go.ted.com/tedxshorts.