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Household Chemistry - soap

The chemical ingredients of household soap. Why they are there, how they work and if there is an alternative.

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23 minutes

大象传媒 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

The Curious Cases of Rutherford and Fry

A pair of scientific sleuths answer your perplexing questions. Ask them anything!

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