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Commentary on preserved biomolecules vs. biofilms at Zimmer's blog


For those following the interesting new study suggesting that the preserved
biomolecules (or at least some of them) in the T. rex "Bob" might be modern
biofilms, there are comments from various knowledgable parties (including
Mary Schweitzer) at Carl Zimmer's blog "The Loom":


Thomas R. Holtz, Jr.
Email: tholtz@umd.edu   Phone: 301-405-4084
Office: Centreville 1216                        
Senior Lecturer, Vertebrate Paleontology
Dept. of Geology, University of Maryland
Fax: 301-314-9661               

Faculty Director, Earth, Life & Time Program, College Park Scholars
Fax: 301-405-0796

Mailing Address:        Thomas R. Holtz, Jr.
                        Department of Geology
                        Building 237, Room 1117
                        University of Maryland
                        College Park, MD 20742 USA