In This Issue Proofreading RNA: Structure of RNA Polymerase II’s Backtracked State X-Ray Imaging of the Dynamic Magnetic Vortex Core Deformation Call for General User Proposals: Deadline January 15 ALS Job Posting: Deputy Division Director, Operations Light-Source Safety Officials Meet for Two-Day Workshop UEC Corner: New Members for 2010, Survey Results Welcome: Shauna Kanel andRead More Read more »