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Mistakes that Worked 
Have you ever made a mistake that actually turned out to be something good? Believe it or not, a lot thing we use every day were simply accidents ! Here are two of these amazing stories! 
Alexander Fleming, the Scotish scientist was experimenting with bacteria in 1928. Being a rather sloppy scientist, he used to leave his culture plates all around his lab and then forget about them . One day after he returned from a holiday he noticed that there was some mould on one of the bacteria samples which nad been left by an open window . He took a closer look and saw that there was something around the mould . This made him realise that the mould was able to destroy the harmful bacteria.That's how he discovered üenicillin . 
Since then. his discovery has helped millions of people around the world recover from infections .
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