The sudsy secrets of soap
Hannah Fry
May 21, 2026 16:27
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As a further warning for the horrors of what bleach can do if left on too long ⚠️ have a look at: Alkalis and Skin by J Greenwood, JL Tan, JC Ming, and A Abell (2016)
And for a great exploration into how soap was potentially first discovered 🧼 slip and slide your way to: An Experimental Exploration of the Earliest Soapmaking, by S Pointer (2024)
Science & Technology