Aerialist Nik Wallenda looks down and sees the 1,500-foot drop to the bottom of the Grand Canyon below him. All that stands between him and a lethal landing is the 2-inch tightrope that he has decided to traverse on camera, the moment being broadcast around the world on live television. If most people were to […]
View more »
Sign up for TED email updates
New talks released daily. Be the first to know!