like the mold that goes into making cheese, soy sauce, and even life-saving antibiotics, like penicillin. Eating a little bit on your bread can't be that bad, right? Ultimately, it's a gamble.

Benji Jones: You could say there are two types of mold: the good and the bad. Penicillium notatum, for example, gave rise to the drug penicillin ... into your stale bread or rotten tomato and ...

Take Penicillium, for example—it’s the mold responsible for producing penicillin ... vegetables and vegetation. Old bread, spoiling apples and pears, and rotting plant bulbs are all perfect ...

Producing enough penicillin to save human lives ... and laypeople to begin searching for new mold specimens amid stacks of spoiled bread, cheese, meats and produce, and scanning the rich ...

He published a report on penicillin and its potential uses in the British Journal of Experimental Pathology. Fleming worked with the mold for some time, but refining and growing it was a difficult ...