2026-09-28 · science
Fleming's Accidental Discovery of Penicillin
In 1928, Alexander Fleming made a groundbreaking discovery in his laboratory at St. Mary's Hospital in London. He observed that a mold called Penicillium notatum had contaminated one of his petri dishes and was effectively killing the surrounding bacteria. This chance finding led to the development of penicillin, the first true antibiotic, which transformed the field of medicine and has since saved countless lives. Fleming's work laid the foundation for modern antibiotics, significantly advancing healthcare and reducing the threat of bacterial infections.
Fun fact. Penicillin was discovered when Fleming noticed a mold killing bacteria in his lab, a coincidence that changed medicine forever.