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How animal fats and ash help you get clean. The process of producing soap isn't difficult, but is time consuming. Soap making would have been discovered thousands of years ago by many different groups.
Picture: Soap image, Credit: Thinkstock
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1999: How the World Sounded the Year You Were Born—Βι¶ΉΤΌΕΔ World Service Archive
The importance of women's literature, a tour of Venus and popularising the bungee jump
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1999: How the World Sounded the Year You Were Born
Batman at 60, the life of suffragette Sylvia Pankhurst and what did dinosaurs sound like?
Βι¶ΉΤΌΕΔ World Service Archive
This programme was restored as part of the World Service archive project
