BBC BITESIZE - KS2 HISTORY - SIR ALEXANDER FLEMING - THE DISCOVERY OF PENICILLIN

https://www.bbc.com/education/clips/z3g4wmn

In this short (3.11 min) video clip, Sir Alexander Fleming describes his discovery of penicillin. While competing in a game show called 'The greatest science investigator of all time', famous scientists from history describe their life's work and explain why they deserve the title. On this show it's the turn of Sir Alexander Fleming, who describes how in 1928 he discovered penicillin, which kills some bacteria responsible for serious human infections. The most important part of the discovery happened while he was away on holiday. A blob of mould had grown on a dirty dish in his lab. All around the mouldy blob, there were no bacteria growing. He reasoned that something in the mould was killing the bacteria. This substance is what he later called penicillin. This discovery led to a group of medicines called antibiotics, which have saved countless lives.

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