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The Indispensables - the fridge
An examination of everyday inventions, is the fridge indispensible? Presenter Erika Wright looks at the importance of refrigeration and how it has revolutionised the way we eat. But it is also an energy-guzzling gadget, as the programme finds out.
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BBC World Service Archive
This programme was restored as part of the World Service archive project
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The Curious Cases of Rutherford and Fry
A pair of scientific sleuths answer your perplexing questions. Ask them anything!
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Discovery
Explorations in the world of science.
