In 1929, Alexander Fleming published his first observations of penicillin under a microscope. A sloppy technician, he’d returned from holiday to find a fluffy, white mass growing on his staphylococcus culture – and decided to observe it. Through the microscope, he saw the penicillin inhibiting the staphylococcus, and postulated medical applications in his paper.
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| Public Domain via Nadya_il (Pixabay) |
