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Childhood's End
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Used In
Childhood's End
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  • Without our intervention, the Earth today would be a radioactive wilderness.

  • There are no more uses of "radioactivity" in the book.

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  • The half-life of highly radioactive substances is shorter than that of substances that radiate weakly.
  • For a while, people worried that the radioactive cloud could spread to Shogahama — or beyond.
    Lauren Tarshis  --  I Survived: The Japanese Tsunami, 2011

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