TED is a nonprofit organization devoted to Ideas Worth Spreading. At the TED conference, the world's leading thinkers and doers are asked to share a brilliant idea -- in 18 minutes. These talks are made available free online at TED.com.
ABC News is taking a deeper look into the remarkable work of TED speakers and their ideas, and features playlists of great TED Talks on ABCNews.com.
What controls aging? Biochemist Cynthia Kenyon has found a simple genetic mutation that can double the lifespan of a simple worm, C. Elegans. The lessons from that discovery, and others, are pointing to how we might one day significantly extend youthful human life.