The mind-bending reality of the universe | Katie Mack

In this fascinating conversation, cosmologist and TED Fellow Katie Mack delves into everything from the Big Bang theory to what we see at the edge of the observable universe to a few ways the cosmos might end. Stay tuned to hear Mack recite an original poem on the wonder and marvel of existence. (This conversation, hosted by deputy director of the TED Fellows program, Lily James Olds, was part of a TED Membership event. Visit ted.com/membership to become a TED Member.)