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.
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Three Mile Island
45:41

Short Stuff: 1955 Le Mans Disaster
12:32

The Tragic Life of Vincent Van Gogh
51:48