The oldest known biological material on earth

Guest: Dr. Jack Griffith, Kenan Distinguished Professor of Microbiology and Immunology and Biochemistry, UNC School of Medicine, Lineberger Comprehensive Cancer Center

Dr. Jack Griffith, Lineberger Comprehensive Cancer Center, UNC-CH

The Jack D. Griffith Laboratory

Jack’s UNC School of Medicine home page

Access to full text of Jack’s paper (with colleagues) in Astrobiology describing the discovery of 250-million-year-old biological material – cellulose microfibers in salt crystals