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Ask Smithsonian: Do Subliminal Messages Work? (01:00)
Ask Smithsonian: Whats the Oldest Animal? (01:19)
Ask Smithsonian: Is It True That Your Hair and Nails Keep Growing After You Die? (01:00)
Ask Smithsonian: Why Do We Get Goosebumps? (01:05)
Ask Smithsonian: How Does Daylight Saving Time Affect the Body? (01:11)
Ask Smithsonian: Why Are Planets Round? (00:54)
Ask Smithsonian: How Do Boomerangs Work? (01:10)
Ask Smithsonian: Are Humans the Only Animals to Use the Stars to Navigate? (01:36)
Ask Smithsonian: Do Animals Laugh? (01:08)
Ask Smithsonian: Is Fire a Solid, Liquid or Gas? (01:19)
Ask Smithsonian: Does the Five-Second Rule Really Work? (01:25)
Ask Smithsonian: Why Do We Sleep? (01:25)
Ask Smithsonian: Why Are Lakes Freshwater and Oceans Saltwater? (01:15)
Ask Smithsonian: What Happens to Your Body in Space Without a Spacesuit? (01:40)
Ask Smithsonian: Can Chimps Be Genetically Engineered to Be Like Humans? (01:35)
Ask Smithsonian: Why Do We Have an Appendix? (01:56)
Ask Smithsonian: Is Quicksand Real? (01:29)
Ask Smithsonian: How Do Microwave Ovens Work? (00:56)
Ask Smithsonian: Why Do Geese Fly in a V? (00:56)
Introducing Ask Smithsonian (01:15)