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Micro-organisms
Science for nine- to 11-year-olds. The programme explains how a lucky accident led to the discovery of antibiotics by Alexander Fleming, and looks at the best way to wash your hands; does using soap really make a difference?
Last on
Mon 22 Mar 2010
11:00
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The importance of handwashing in food hygiene (signed)
Duration: 04:48
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The importance of handwashing in food hygiene
Duration: 04:49
