BrainStuff Classics: How Dirty Is Soap?
BrainStuff - En podkast av iHeartPodcasts
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It’s good hygiene to wash your hands after touching shared bathroom surfaces. But bars of soap are also a shared surface. Learn why soap is pretty clean in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com
