What motivates explorers to venture into the unknown? TED hide caption

itoggle caption TED

To The Edge

In this hour, TED speakers share stories of going to the brink of human endurance and the edge of our world.

Thursday

"Those early experiences are very powerful and can be very determinative that you end up developing an image of yourself, and image of what your strengths are, an image of your weaknesses, an image of the ways in which the world is going to limit you." — Andrew Solomon iStock hide caption

itoggle caption iStock