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Off the Grid: Sally breaks down USA TODAY's daily crossword puzzle, Shapes Up
USA TODAY via Yahoo News· 2 months agoThere are spoilers ahead. You might want to solve today's puzzle before reading further! Shapes Up...
Why are rare earth elements so rare?
Live Science via Yahoo News· 9 months agoA 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...