Aromatic Mercury Clusters in Ancient Amalgams Work done at Utah State University is supported by the donors to The Petroleum Research Fund, administered by the American Chemical Society. Work done at Iowa State University is supported by Basic Energy Sciences, the U.S. Department of Energy. Work done at Washington State University is supported by the National Science Foundation (DMR-0095828) and performed at the W. R. Wiley Environmental Molecular Sciences Laboratory, a national scientific user facility sponsored by DOE's Office of Biological and Environmental Research and located at Pacific Northwest National Laboratory, which is operated for DOE by Battelle.