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1 янв 1898 г. - Marie Sklodowska Curie discovered radium and polonium

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1898 Marie Sklodowska Curie discovered radium and polonium and the term ‘radioactivity’ after studying the decay process of uranium and thorium.

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BySaisriram Sanjai

15 мая 2018

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1 янв 1898 г.

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