Why We Chose Gold

From NPR comes the fascinating story of why humanity chose gold as one of its most valuable metals:

You want the thing you pick to be rare...At the same time, you don’t want to pick an element that’s too rare.  So  osmium — which apparently comes to earth via meteorites — gets the axe. That leaves us with just five elements: rhodium, palladium, silver, platinum and gold. And all of them, as it happens, are considered precious metals.

And to think, platinum, it could've been you if your melting point was just a wee bit lower...

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