The dirty history of soap
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May 13, 2020
(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.)
Judith Ridner, Mississippi State University
(THE CONVERSATION) "Wash your hands often with soap and water for at least 20 seconds." That's what the CDC has advised all Americans to do to prevent the spread of COVID-19 during this pandemic.
It's common-sense advice. The surfactants found in soap lift germs from the skin, and water then washes them away. Soap is inexpensive and ubiquitous; it's a consumer product found in every household across the country.
Yet few people know the lo...
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