Can a Jellyfish Unlock the Secret of Immortality?

Can a Jellyfish Unlock the Secret of Immortality? - NYTimes.com: "After more than 4,000 years — almost since the dawn of recorded time, when Utnapishtim told Gilgamesh that the secret to immortality lay in a coral found on the ocean floor — man finally discovered eternal life in 1988. He found it, in fact, on the ocean floor."