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Scandium was a metal with remarkable properties, one of the so-called rare earths. You can find it on the periodic table, the little box with an SC on it and the number 21.
The silvery metal scandium can be made into a superconductor without having to be mixed with other substances, and this occurs at higher temperatures than for any other element.
Our Planet Money team has a story about a man who realized at the time that he was the only person in the world with his job. It was a job selling something almost no one wanted.
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