Large image view: Tracing marijuana to its roots
ÃÛÌÒÓ°Ïñ photo by Marmian Grimes
Tim Howe and Matthew Wooller stand in the laboratory at the ÃÛÌÒÓ°Ïñ Stable Isotope Facility.
Large image view: Tracing marijuana to its roots
ÃÛÌÒÓ°Ïñ photo by Marmian Grimes
Tim Howe and Matthew Wooller stand in the laboratory at the ÃÛÌÒÓ°Ïñ Stable Isotope Facility.