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Preview thumbnail for video'Ask Smithsonian: Do Subliminal Messages Work?
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Preview thumbnail for video'Ask Smithsonian: Does Chicken Soup Really Help With a Cold?
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Preview thumbnail for video'Ask Smithsonian: What Would Happen if a Solar Flare Hit the Earth?
Ask Smithsonian: What Would Happen if a Solar Flare Hit the Earth? (1:11)
Preview thumbnail for video'Ask Smithsonian: Do Animals Laugh?
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Preview thumbnail for video'Ask Smithsonian: Do Cannibals Still Exist?
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Preview thumbnail for video'Ask Smithsonian: Why Were Prehistoric Animals So Big?
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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: Why Do We Have an Appendix?
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Preview thumbnail for video'Ask Smithsonian: What Is the Origin of Applause?
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Preview thumbnail for video'Ask Smithsonian: What’s the Deepest We’ve Ever Dug Into the Earth?
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Preview thumbnail for video'Ask Smithsonian: Can Plants Communicate?
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Preview thumbnail for video'Ask Smithsonian: Why Are Planets Round?
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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: How Did King Tut Die?
Ask Smithsonian: How Did King Tut Die? (1:27)
Preview thumbnail for video'Ask Smithsonian: Why Do Bugs Die on Their Backs?
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Preview thumbnail for video'Ask Smithsonian: What’s the Oldest Animal?
Ask Smithsonian: What’s the Oldest Animal? (1:19)
Preview thumbnail for video'Ask Smithsonian: Why Do We Get Goosebumps?
Ask Smithsonian: Why Do We Get Goosebumps? (1:05)