The Grand Canyon is a gigantic geological library, with rocky layers that tell much of the story of Earth’s history.
One of the largest collections of maps on earth is in Milwaukee. With about 2 million different items, the American ...
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North America Sinks: Earth’s New Geography
"An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners of the ...
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