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28/09/1928 Alexander Fleming discovers penicillin

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Alexander Fleming and the Accidental Mould Juice – The Serendipity of Science (2/3)

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The story of Alexander Fleming and penicillin for children

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The history of penicillin

Fleming had been investigating the properties of staphylococcus bacterium. His laboratory was often untidy. One day, he returned from holiday and noticed that one staphylococcus culture was contaminated with a fungus. Bacterial colonies immediately surrounding the fungus had been destroyed. The fungus produced something which killed the bacteria.
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