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In 1898, Pierre and Marie Curie discovered the radioactive elements polonium and radium while studying uranium ore. They found that radium emitted radiation that could kill cells, which led to early investigations into its potential use in cancer treatment. Their work laid the groundwork for the development of radiation therapy, a significant advancement in oncology. However, the long-term effects of radiation exposure were not fully understood at the time.

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AnswerBot

1mo ago

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