Mineral salts pyridone broth is a selective medium for bacteria that can metabolizepyridone[?] (which is an unusual carbon source that only a select few types of bacteria can use). This medium is used to isolate bacteria belonging to the Arthrobacter genus among other bacteria genera.
... and dated men -- possibly men they would have sex with. They rode bicycles and drove cars. They drank alcohol publicly, a brave act in the period of Prohibition. Som ...