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July 01, 2025
July 1 is American Zoo Day, commemorating the date in 1874 when the first American zoo opened in Philadelphia. Today there are over 250 accredited zoos and aquariums in the United States. These facilities house more than 780,000 animals from over 8,600 different species. Full Text »
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Describing the U.S. oil and gas extraction workforce with public data
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