Learn more about what climate change means and how it's affecting our planet.The earth is definitely getting warmer. There's no argument about that...
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A mesmerizing overview of the world as it was when glaciers covered the earth and long-extinct creatures like the woolly mammoths and saber-toothed...
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Discover the fascinating world of inventions and technology. From the first tools to the latest gadgets, Pocket Genius: Inventions showcases key in...
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From the factory to the road, browse through more than 170 cool cars — from hatchbacks to hybrids — in Pocket Genius: Cars. Trace the history of th...
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It was world-famous sculptor Gutzon Borglum's dream to carve sixty-foot-high likenesses of four presidents on a granite cliff in South Dakota. Does...
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From marvelous galleries of the Big Dipper, Little Dipper and other constellations to in-depth looks at Mercury, Venus, Earth, Mars, Saturn, Uranus...
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