>Maria Skłodowska Curie is known as pioneer in the field of
>radioactivity.
zapomnialas o jednym slowie, ktore jest w tym zdaniu w Wikipedii
Poza tym trzeba raczej powiedziec "in radioactivity research", po 'pionierka radioaktywności' znaczy, że jako pierwsza zaczęła świecić w nocy :-)
She spent all her
>life WORKING HARD. Sometimes she forgot to eat or sleep.
>In 1891, when Maria was 24, she decidet France to study. There she met Pierre, AN instructor in the School of
>Physics and Chemistry, who married her (ALBO: whom she married) in 1894.
>In 1898 she discovered the chemical elements polonium (Po) and radium
>(Ra). She won MANY (lots jest potoczne, nie do takiego tekstu) international prizes. In 1903 Maria, Pierre and
>Henri Becquerel RECEIVED (znowu got potoczne) a Nobel Prize in Physics. Eight years later, the
>Royal Academy of Sciences awarded Maria the Nobel Prize in Chemistry.