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ScienceDaily (Oct. 10, 2012) — Complex brains evolved much earlier than previously thought, as evidenced by a 520-million-year-old fossilized arthropod with remarkably well-preserved brain structures.

The remarkably well-preserved fossil of an extinct arthropod shows that anatomically complex brains evolved earlier than previously thought and have changed little over the course of evolution. According to University of Arizona neurobiologist Nicholas Strausfeld, who co-authored the study describing the specimen, the fossil is the earliest known to show a brain.

The discovery will be published in the Oct. 11 issue of the journal Nature.

http://www.sciencedaily.com/releases/2012/10/121010131436.ht...
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According to University of Arizona neurobiologist Nicholas Strausfeld, who

http://www.sciencedaily.com/releases/2012/10/121010131436.ht...




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