'Aliens of Sea' Provide New Insight Into Evolution

May 21, 2014 8:14 PM

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Exotic sea creatures called comb jellies may reshape how scientists view early evolution — as their genes suggest nature created more than one way to make a nervous system.

These beautiful but little-known translucent animals often are called "aliens of the sea," for good reason. Somehow, they rapidly regenerate lost body parts. Some even can regrow a very rudimentary brain.

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