From ancient coins to modern markets, gold has shaped money and value for centuries. Here's why, among all the elements, it has remained the world's store of value.
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5 periodic tables we don't use and why
You probably studied the "regular" periodic table in school—but did you know there are more versions of the periodic table than just the one you know? The periodic table of elements has gone through ...
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8 elements you might not know that are extremely useful
There are 118 elements on the periodic table, but it seems like only a handful of them get any attention. But just because ...
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