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jan 1, 1898 - Marie Sklodowska Curie discovered radium and polonium

Description:

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

Added to timeline:

15 May 2018
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Date:

jan 1, 1898
Now
~ 127 years ago