How Soap Works - a podcast by iHeartRadio

from 2021-01-31T22:10:42.023393

:: ::

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://news.iheart.com/podcast-advertisers