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What happens if you swallowed every element on the periodic table?
What happens if you swallowed every element on the periodic table? Discover the bizarre chemical reactions that would occur ...
15hon MSN
How a medieval Oxford friar used light and color to find out what stars and planets are made of
During the 1240s, Richard Fishacre, a Dominican friar at Oxford University, used his knowledge of light and color to show ...
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