1. Stanford Synchrotron Radiation Laboratory, 2575 Sand Hill Rd., Menlo Park, California 94025, Environmental Microbiology Laboratory, École Polytechnique Fédérale de Lausanne, Lausanne, CH 1015, Switzerland, Seaborg Institute for Transactinium Science, ADSMS, MS-G756, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, Pacific Northwest National Laboratory, PO Box 999, MSIN: K8-96, Richland, Washington 99352, and Environmental Science...