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  "headline": "Arctic and Antarctic",
  "description": "The Arctic (North Pole region) and Antarctic (South Pole continent) are Earth's polar extremes. Arctic: ocean surrounded by continents, floating sea ice, indigenous peoples, polar bears. Antarctic: continent surrounded by ocean, ice sheet (70% of Earth's freshwater), no permanent residents, penguins. Antarctic Treaty (1959): continent dedicated to peace and science.",
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  "publisher": {
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  "license": "https://creativecommons.org/licenses/by/4.0/",
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      "name": "The Arctic: A Guide to Coastal Wildlife (Tony Soper)",
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