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Dolphins! Who knew!
Things You Didn’t Know: Periodic Table
By Matthew Summersgill
The invention of the Periodic Table of Elements, as we know it, is generally credited to the Russian chemist Dmitri Mendeleev in 1869. Throughout the centuries there had been attempts to organize and categorizes elements by the ancient Greeks, the Germans and the English. But Mr. Mendeleev got it right. Since then it has had a profound effect on not only the...
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