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Science

Preview thumbnail for video'Ask Smithsonian: Why Are Lakes Freshwater and Oceans Saltwater?
Ask Smithsonian: Why Are Lakes Freshwater and Oceans Saltwater? (1:15)
Preview thumbnail for video'Ask Smithsonian: Why Do We Have an Appendix?
Ask Smithsonian: Why Do We Have an Appendix? (1:56)
Preview thumbnail for video'Ask Smithsonian: What’s the Deepest We’ve Ever Dug Into the Earth?
Ask Smithsonian: What’s the Deepest We’ve Ever Dug Into the Earth? (1:17)
Preview thumbnail for video'New York City Street Rats
New York City Street Rats (2:47)
Preview thumbnail for video'Dinosaur Tracking
Dinosaur Tracking (1:06)
Preview thumbnail for video'Jack Andraka: 2012 Smithsonian American Ingenuity Awards
Jack Andraka: 2012 Smithsonian American Ingenuity Awards (1:54)
Preview thumbnail for video'
"Die Hard" Explained: Extinguishing Your Enemies (2:19)
Preview thumbnail for video'A Shark's Entire Body is an Ear
A Shark's Entire Body is an Ear (4:33)
Preview thumbnail for video'Flapping Their Wings
Flapping Their Wings (0:31)
Preview thumbnail for video'Breaking an Elephant's Spirit
Breaking an Elephant's Spirit (2:03)
Preview thumbnail for video'Researchers discover the oldest, most complete skeleton discovered in the New World
Researchers discover the oldest, most complete skeleton discovered in the New World (1:19)
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: How Much Stuff Is in Orbit Around the Earth?
Ask Smithsonian: How Much Stuff Is in Orbit Around the Earth? (1:05)
Preview thumbnail for video'Ask Smithsonian: What Are the Weirdest Things Pregnant Women Crave?
Ask Smithsonian: What Are the Weirdest Things Pregnant Women Crave? (1:18)
Preview thumbnail for video'Ask Smithsonian: Why Do Bugs Die on Their Backs?
Ask Smithsonian: Why Do Bugs Die on Their Backs? (0:53)
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)
Preview thumbnail for video'Ask Smithsonian: Is Quicksand Real?
Ask Smithsonian: Is Quicksand Real? (1:29)
Preview thumbnail for video'Cameras Capture the Birth of 14 Black Mambas
Cameras Capture the Birth of 14 Black Mambas (3:53)