They've Got Bread Mold, So Why Can't They Make Penicillin?
The above is one of the more common questions asked by readers following the 1632 series, especially those who are interested in the subject of disease and medicine. Unfortunately, there is no simple answer to the question. There are thousands and thousands of different kinds of mold. True, a few of them produce various effective medicines, like penicillin. But many are useless, even leaving aside those which produce hallucinogens like LSD, or which are outright poisons. The process of isolating a specific mold that produces an . . .