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    • Why are rare earth elements so rare?

      Why are rare earth elements so rare?

      Live Science via Yahoo News· 8 months ago

      A silver-colored raw chunk of neodymium stone, part of the rare earth group, the world's strongest magnetic ore used in the technology industry. Rare...

    • The Earth Is Getting Salty

      The Earth Is Getting Salty

      Popular Mechanics via Yahoo Finance· 6 months ago

      The Earth Is Getting SaltyAlxeyPnferov - Getty Images New research has shown for the first time that humans are disrupting our planet’s “salt cycle.”...