Experiments that hint of longer lives: Cynthia Kenyon on

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. (Recorded at TEDGlobal 2011, July 2011, in Edinburg, Scotland. Duration: 16:24)

PLUS: Tonight, watch an ABC News segment that explores Cynthia Kenyon’s work! On ABC World News tonight >>

Watch Cynthia Kenyon’s talk on, where you can download it, rate it, comment on it and find other talks and performances from our archive of 1,000+ TEDTalks.