Are we simply the sum of our experiences? Or can we choose our own path? In this hour, TED speakers share stories of undergoing remarkable transformations despite extraordinary challenges. In a special updated interview, biophysicist Hugh Herr explains that in the coming decades, wearable robotics will allow humans to augment their physical capabilities. Other guests from the original 2014 episode include peace advocate Zak Ibrahim, model Geena Rocero, and criminal justice reform advocate Shaka Sengor.