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1928Penicillin was discovered because a lab dish was left uncovered.

Wacky WorldInventions

In 1928 Alexander Fleming noticed that mould contaminating a bacteria culture had killed the bacteria around it. The mould produced penicillin, the first widely used antibiotic.

Share on WhatsAppSource: en.wikipedia.org

Another wacky fact → All facts

28 September 2026 by

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