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Arizona is the 48th state in the United States, and is home to dramatic natural landscapes, rich history and bustling ...
Smithsonian Magazine on MSN6h
50-Million-Year-Old Footprints Open a ‘Rare Window’ Into the Behaviors of Extinct Animals That Once Roamed in OregonScientists revisited tracks made by a shorebird, a lizard, a cat-like predator and some sort of large herbivore at what is ...
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