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4:51
YouTube
TED-Ed
The accident that changed the world - Allison Ramsey and Mary Staicu
Learn how Alexander Fleming discovered penicillin, and how the antibiotic has changed medicine and the treatment of infections. -- In 1928, scientist Alexander Fleming returned to his lab and found something unexpected: a colony of mold growing on a Petri dish he’d forgotten to place in his incubator. And around this colony of mold was a zone ...
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