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Preview thumbnail for video'Ask Smithsonian: How Much Stuff is in Orbit Around the Earth?
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Preview thumbnail for video'Ask Smithsonian: What Are the Weirdest Things Pregnant Women Crave?
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Preview thumbnail for video'Ask Smithsonian: Why Do Songs Get Stuck in My Head?
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Preview thumbnail for video'Ask Smithsonian: Are Humans the Only Animals to Use the Stars to Navigate?
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Preview thumbnail for video'Ask Smithsonian: How Did King Tut Die?
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Preview thumbnail for video'Ask Smithsonian: How Do Boomerangs Work?
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Preview thumbnail for video'Ask Smithsonian: What’s the Oldest Animal?
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Preview thumbnail for video'Ask Smithsonian: Why Do We Get Goosebumps?
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Preview thumbnail for video'Ask Smithsonian: Is Fire a Solid, Liquid or Gas?
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Preview thumbnail for video'Ask Smithsonian: Does the Five-Second Rule Really Work?
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Preview thumbnail for video'Ask Smithsonian: Why Do We Sleep?
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Preview thumbnail for video'Ask Smithsonian: Why Are Lakes Freshwater and Oceans Saltwater?
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Preview thumbnail for video'Ask Smithsonian: Can Chimps Be Genetically Engineered to Be Like Humans?
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Preview thumbnail for video'Ask Smithsonian: Why Do We Have an Appendix?
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Preview thumbnail for video'Ask Smithsonian: Is Quicksand Real?
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Preview thumbnail for video'Ask Smithsonian: How Do Microwave Ovens Work?
Ask Smithsonian: How Do Microwave Ovens Work? (0:56)