The Only Immortal Animal on Earth

"Have you ever wondered what would happen if our life cycles were reversed, that is if we were born old and died young? Well, there’s one animal that comes close and has achieved immortality in the process, just to top it off. Meet the Turritopsis nutricula, a small saltwater animal or hydrozoan related to jellyfish and corals. "

http://www.environmentalgraffiti.com/featured/only-immortal-animal-on-earth/20087