Secrets of Toothpaste | I Didn't Know That
03:29

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. (0:03)

  • 2

    During World War II, German scientists developed radioactive toothpaste made with thorium. (0:49)

  • 3

    Learn how to make toothpaste at home: (2:01)

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