Can you imagine being bilingual? Or even knowing anybody that was? Im not even unilingual. Actually, I shouldnt say that. I dont give myself enough credit. I know enough English to, you know, get by. I can order in restaurants and stuff.
In 1902, Pierre and Marie Curie isolated one gram of radium, the first sample of the radioactive element. They had refined it from eight tons of pitchblende ore.
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