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Discovery of Penicillin
It's 84 years since Alexander Fleming discovered the life-saving substance penicillin.
But it took a team of scientists another decade to turn it into the well-known anti-biotic of today.
PHOTO: Penicillium fungal spores (courtesy of Science Photo Library)
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Fri 9 Mar 201202:50GMT
BBC World Service Online
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Archive 2012—Witness History
The story of our times told by the people who were there.
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Witness History
The story of our times, told by the people who were there
