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Nearly Immortal Sea Creature Spreads

A jellyfish-like hydrozoan with a novel power to rewind its life cycle has been spreading rapidly around the world?s oceans without anyone taking much notice, researchers say. <p><a href="http://feedads.googleadservices.com/~at/QKv7d1if1o1LPRUZdN8EKqIvfIw/a"><img src="http://feedads.googleadservices.com/~at/QKv7d1if1o1LPRUZdN8EKqIvfIw/i" border="0" ismap="true"></img></a></p><img src="http://feedproxy.google.com/~r/digg/popular/~4/YtPGO12TL24" height="1" width="1"/>