Learn how Alexander Fleming discovered penicillin, and how the antibiotic has changed medicine and the treatment of infections.

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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 completely and surprisingly clear of bacteria. What was this mysterious phenomenon? Allison Ramsey and Mary Staicu detail the discovery of penicillin and how it transformed medicine.

Lesson by Allison Ramsey and Mary Staicu, directed by WOW-HOW Studio.

Animator's website: https://wow-how.com/
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View full lesson: https://ed.ted.com/lessons/the-accident-that-changed-the-world-allison-ramsey-and-mary-staicu

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