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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A former Penn State Hershey Medical Center staffer has admitted to lying about skipping mandatory steps of genetic cancer tests he performed, the Associated Press reports.

The genome of a rare, red bat suggests that its effective population size has been in decline for thousands of years, according to a PLOS One study.

In Nature this week: investigation into the genetics of medulloblastoma, and more.

A project in the UK is to use genomic selection to speed spruce tree growth, according to Innovators Magazine.