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Science

Preview thumbnail for video'Why Do Hyenas Laugh?
Why Do Hyenas Laugh? (3:38)
Preview thumbnail for video'Ask Smithsonian: What Would Happen if the Yellowstone Volcano Erupted?
Ask Smithsonian: What Would Happen if the Yellowstone Volcano Erupted? (1:27)
Preview thumbnail for video'The Sneaky Reason Why Plants Bear Fleshy Fruit
The Sneaky Reason Why Plants Bear Fleshy Fruit (2:53)
Preview thumbnail for video'Ask Smithsonian: Why Do We Love Junk Food?
Ask Smithsonian: Why Do We Love Junk Food? (1:06)
Preview thumbnail for video'Stay Away From Packs of Hungry Lionfish
Stay Away From Packs of Hungry Lionfish (2:01)
Preview thumbnail for video'Ask Smithsonian: How Do People Get Phobias?
Ask Smithsonian: How Do People Get Phobias? (1:28)
Preview thumbnail for video'When Did Our Backbones First Appear?
When Did Our Backbones First Appear? (5:13)
Preview thumbnail for video'Three Kinds of Close Encounters
Three Kinds of Close Encounters (2:30)
Preview thumbnail for video'Ask Smithsonian: What Keeps Satellites From Falling Out of the Sky?
Ask Smithsonian: What Keeps Satellites From Falling Out of the Sky? (1:05)
Preview thumbnail for video'Ask Smithsonian: Five False ‘Facts’ About the Human Body
Ask Smithsonian: Five False ‘Facts’ About the Human Body (1:30)
Preview thumbnail for video'Ask Smithsonian: What’s Up With Willpower and Why Don’t I Have It?
Ask Smithsonian: What’s Up With Willpower and Why Don’t I Have It? (1:25)
Preview thumbnail for video'Two Leopards Battle, But Only One Can Survive
Two Leopards Battle, But Only One Can Survive (3:40)
Preview thumbnail for video'Incredible: A Caracal Slaps Down a Bird in Flight
Incredible: A Caracal Slaps Down a Bird in Flight (3:14)
Preview thumbnail for video'Adam Steltzner of the Mars Rover Team
Adam Steltzner of the Mars Rover Team (1:48)
Preview thumbnail for video'The Fastest Punch in the World
The Fastest Punch in the World (2:52)
Preview thumbnail for video'Ask Smithsonian: How Do Vaccines Work?
Ask Smithsonian: How Do Vaccines Work? (1:18)
Preview thumbnail for video'The Surprising Culprit Threatening Yellowstone’s Grizzly Bears
The Surprising Culprit Threatening Yellowstone’s Grizzly Bears (3:17)
Preview thumbnail for video'How a Single Asteroid Wiped Dinosaurs Off This Planet
How a Single Asteroid Wiped Dinosaurs Off This Planet (1:14)
Preview thumbnail for video'A Look Inside This See-Through Frog
A Look Inside This See-Through Frog (1:01)
Preview thumbnail for video'Ask Smithsonian: Can Cats Really Make Rats Into Zombies?
Ask Smithsonian: Can Cats Really Make Rats Into Zombies? (1:23)