This Week in Nature

In Nature this week, University of California, Berkeley, researchers publish the draft genomes of two annelids — a freshwater leech and a marine polychaete — and one mollusk — the owl limpet — providing new insights into the evolution of bilateral symmetry. By comparing these genomes with those of other animals, the team identified some of the genetic changes that gave rise to bilaterians.

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This Week in Science

This Week in Nature

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This Week in Science

This Week in Nature

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