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DIY: Taking the Caffeine Out of Tea

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Take a closer look at how a generator works, and start generating your own electricity.

Step-by-step guide on how to extract caffeine from tea, part of the BBC/OU's programme website for Rough Science 1

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Coultate T.P., Food: The chemistry of its components, Royal Society of Chemistry paperbacks

McGee H., On Food and Cooking: The science and lore of the kitchen, Fireside

Selinger B., Chemistry in the Marketplace, 5th edn., Harcourt Brace

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Content last updated: 26/05/2000

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An example of how one faith community can benefit the environment by respecting biodiversity.

Pity the statistician - they can't even be sure if what they work with are an "it" or a "them". They're confusing things, statistics.

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