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Secrets of Toothpaste | I Didn't Know That
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Secrets of Toothpaste | I Didn't Know That

Key Facts In This Video

  1. The average U.K. citizen will go through 80 liters of toothpaste in their lifetime. 00:03

  2. During World War II, German scientists developed radioactive toothpaste made with thorium. 00:49

  3. Learn how to make toothpaste at home: 02:01

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