| The Rising Tide of Lava: Chaos on Mars |
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| The River that Wolves Moved: A True Tale from Yellowstone |
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| The Sand Seas of Mars: Repairing the Rover |
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| The Science of a Flood |
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5.4 |
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| The Science of an Avalanche |
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5.7 |
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| The Science of a Nuclear Plant Explosion |
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5.7 |
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| The Science of a Sinkhole |
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5.9 |
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| The Science of a Tornado |
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5.3 |
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| The Science of a Tsunami |
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5.7 |
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| The Secret of Fall |
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| The Senses |
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| The Skeletal and Muscular Systems |
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| The Skydiving Beavers: A True Tale |
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4.1 |
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| The Sun Is Hot |
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| The Sun Shines on the Everglades |
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| The Universe and You |
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| The Wildes: Captivity |
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| The Wildes: The Amazon |
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4.7 |
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| The Wildes: The Vaquita |
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| The Wild World of Buck Bray: Danger at the Dinosaur Stomping Grounds |
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4.9 |
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