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Preview thumbnail for video'Ask Smithsonian: Where Does Space Begin?
Ask Smithsonian: Where Does Space Begin? (1:03)
Preview thumbnail for video'Ask Smithsonian: What Would Happen if a Large Asteroid Hit the Moon?
Ask Smithsonian: What Would Happen if a Large Asteroid Hit the Moon? (1:01)
Preview thumbnail for video'Ask Smithsonian: Why did Ancient Greeks and Romans Lie Down to Eat?
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Preview thumbnail for video'Ask Smithsonian: Do Subliminal Messages Work?
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Preview thumbnail for video'Ask Smithsonian: What Is the Origin of Applause?
Ask Smithsonian: What Is the Origin of Applause? (1:01)
Preview thumbnail for video'Ask Smithsonian: Why Do Geese Fly in a V?
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Preview thumbnail for video'Ask Smithsonian: What Happens to Your Body in Space Without a Spacesuit?
Ask Smithsonian: What Happens to Your Body in Space Without a Spacesuit? (1:40)
Preview thumbnail for video'Ask Smithsonian: Does Chicken Soup Really Help With a Cold?
Ask Smithsonian: Does Chicken Soup Really Help With a Cold? (1:16)
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: Is it True We Have Taste Buds in Our Stomachs?
Ask Smithsonian: Is it True We Have Taste Buds in Our Stomachs? (1:06)
Preview thumbnail for video'Ask Smithsonian: Does Stress Turn Your Hair Gray?
Ask Smithsonian: Does Stress Turn Your Hair Gray? (1:00)
Preview thumbnail for video'Ask Smithsonian: Can Plants Communicate?
Ask Smithsonian: Can Plants Communicate? (1:10)
Preview thumbnail for video'Ask Smithsonian: Why Are Planets Round?
Ask Smithsonian: Why Are Planets Round? (0:54)
Preview thumbnail for video'Ask Smithsonian: Do Animals Laugh?
Ask Smithsonian: Do Animals Laugh? (1:08)
Preview thumbnail for video'Ask Smithsonian: How Do Noise-Canceling Headphones Work?
Ask Smithsonian: How Do Noise-Canceling Headphones Work? (1:13)
Preview thumbnail for video'Ask Smithsonian: Is It True That Your Hair and Nails Keep Growing After You Die?
Ask Smithsonian: Is It True That Your Hair and Nails Keep Growing After You Die? (1:00)
Preview thumbnail for video'Ask Smithsonian: How Does Daylight Savings Affect the Body?
Ask Smithsonian: How Does Daylight Savings Affect the Body? (1:11)
Preview thumbnail for video'Ask Smithsonian: How Do Dolphins Sleep Without Drowning?
Ask Smithsonian: How Do Dolphins Sleep Without Drowning? (1:00)
Preview thumbnail for video'Ask Smithsonian: Why Were Prehistoric Animals So Big?
Ask Smithsonian: Why Were Prehistoric Animals So Big? (1:05)
Preview thumbnail for video'Ask Smithsonian: How Much Stuff is in Orbit Around the Earth?
Ask Smithsonian: How Much Stuff is in Orbit Around the Earth? (1:05)