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Interesting Engineering on MSNThey’re called rare earths. The name’s a lie but the scarcity isn’tWhat is rare is stumbling upon a pocket where any of them is concentrated enough to mine economically, and extracting them without leaving a toxic mess. Why the world suddenly car ...
The Keck Observatory and NASA’s Hubble Space Telescope may have uncovered a "potential three-body system in the Kuiper Belt," ...
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