Fleming was working on a culture of disease-causing bacteria when he noticed the spores of little green mold in one of his culture plates.
Suddenly, he found the spores of little green mould in one of his culture plates. Fleming was working on a culture of disease causing bacteria.
Fleming was working on a culture of disease causing bacteria. Suddenly, he found the spores of little green mould in one of his culture plates.
Fleming was working on a culture of disease causing bacteria. Suddenly, he found the spores of little green mould in one of his culture plates.