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Tree of life continues to evolve

Genetic comparisons of different animals realign branches

By Carl Zimmer
Globe Correspondent / April 28, 2008

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Casey Dunn has gathered his share of weird animals. He dredged up sea spiders that live around the docks in Waikiki. He dived to the sea floor to scoop up mud, in search of bizarre, spiny creatures called kinorhynchs that are smaller than a grain of sand. (Full article: 1163 words)

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