How Soap Works


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Jul 30 2020 50 mins   20k
Soap is a miraculous substance – and mysterious too: we have no idea how humans first figured out to make it. We lived with soap for millennia before we thought to use it to wash ourselves with it, but once we did a love affair with cleanliness was born. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com