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Ask Smithsonian: How Long Can a Person Hold Their Breath? (01:32)

Ask Smithsonian: What's the Point of Earwax? (01:06)

Ask Smithsonian: When Did People Start Keeping Pets? (01:06)

Ask Smithsonian: What Does the World Look Like When You're Color Blind? (01:36)

Ask Smithsonian: What’s a Dimple? (01:10)

Ask Smithsonian: Can Animals Predict Earthquakes and Other Natural Disasters? (01:28)

Ask Smithsonian: Why Does My Nose Run When It’s Cold Outside? (01:02)

Ask Smithsonian: Why Do We Kiss? (01:12)

Ask Smithsonian: Can Elephants Jump? (00:51)

Ask Smithsonian: What Is Wind? (01:10)

Ask Smithsonian: Why Do We Sneeze? (01:22)

Ask Smithsonian: How Do Colors Affect Our Moods? (01:12)

Ask Smithsonian: How Do Spiders Make a Web? (01:02)

Ask Smithsonian: What’s a Freckle? (01:08)

Ask Smithsonian: How Do You Mummify a Body? (01:18)

Ask Smithsonian: How Did the Plague Kill So Many? Could It Happen Again? (01:21)

Ask Smithsonian: How Does Night Vision Technology Work? (01:14)

Ask Smithsonian: How Does Skin Heal? (01:20)

Ask Smithsonian: Why Do Flamingos Stand on One Leg? (01:00)

Ask Smithsonian: Why Do We Get Prune Fingers? (01:07)

Ask Smithsonian: Why Do We Use One Hand More Than the Other? (01:30)

Ask Smithsonian: Why Does Rain Have a Distinctive Smell? (01:08)

Ask Smithsonian: What Makes Skunk Spray Smell So Terrible? (01:13)

Ask Smithsonian: What Happens When You Get a Concussion? (01:14)

Ask Smithsonian: What’s Up With Saturn’s Rings? (01:13)

Ask Smithsonian: Have Cats Been Domesticated? (01:09)

Ask Smithsonian: What Would Happen if the Yellowstone Volcano Erupted? (01:28)

Ask Smithsonian: Why Do We Love Junk Food? (01:07)

Ask Smithsonian: How Do People Get Phobias? (01:29)

Ask Smithsonian: When Will the Leaning Tower of Pisa Topple? (01:16)

Ask Smithsonian: What’s the Deepest We’ve Ever Dug Into the Earth? (01:18)

Ask Smithsonian: What Keeps Satellites From Falling Out of the Sky? (01:06)