Marie Curie and Pierre Curie discovered new radioactive elements Polonium and Radium which were discovered in "pitch blend ores". Her husband abanded his own research to help her assist on this one. It all turned out well as both of them were eager to show the world. Thus they were jointly awarded the Davy Medal in 1903. (1 ene 1898 año – 1 ene 19003 año)
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1 ene 1898 año
1 ene 19003 año
~ 17116 years