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Science

Preview thumbnail for video'A Secret Refuge for Elk Thought to Be Extinct
A Secret Refuge for Elk Thought to Be Extinct (2:11)
Preview thumbnail for video'How One Millionaire's Promise Led to a National Park
How One Millionaire's Promise Led to a National Park (3:52)
Preview thumbnail for video'Incredible: Five Lions Take Down a Giraffe
Incredible: Five Lions Take Down a Giraffe (2:49)
Preview thumbnail for video'Two Giant Killer Hornet Colonies Battle to the Death
Two Giant Killer Hornet Colonies Battle to the Death (3:25)
Preview thumbnail for video'Crazy Vintage Footage of Park Visitors Feeding Bears
Crazy Vintage Footage of Park Visitors Feeding Bears (1:08)
Preview thumbnail for video'Cameras Capture a Hornet Hatching Up-Close
Cameras Capture a Hornet Hatching Up-Close (2:26)
Preview thumbnail for video'Why Do Giraffes Have Patches?
Why Do Giraffes Have Patches? (1:55)
Preview thumbnail for video'Timelapse Footage of a Giant Caterpillar Weaving Its Cocoon
Timelapse Footage of a Giant Caterpillar Weaving Its Cocoon (2:34)
Preview thumbnail for video'The $10 Million Race to Invent Star Trek's Tricorder
The $10 Million Race to Invent Star Trek's Tricorder (4:15)
Preview thumbnail for video'Yes, Spiders Eat Spiders
Yes, Spiders Eat Spiders (4:41)
Preview thumbnail for video'Wild Inside the National Zoo: The Future of Maned Wolves
Wild Inside the National Zoo: The Future of Maned Wolves (5:50)
Preview thumbnail for video'This Puerto Rican Telescope Was Built in a Massive Sinkhole
This Puerto Rican Telescope Was Built in a Massive Sinkhole (1:56)
Preview thumbnail for video'Griffon Vultures Depend on the Sun to Fly. Why?
Griffon Vultures Depend on the Sun to Fly. Why? (1:41)
Preview thumbnail for video'The Pagani Huayra Is Faster Than a Jumbo Jet at Takeoff
The Pagani Huayra Is Faster Than a Jumbo Jet at Takeoff (2:00)
Preview thumbnail for video'Puerto Rico's #1 Crop Isn't Sugar, But It's Still Sweet
Puerto Rico's #1 Crop Isn't Sugar, But It's Still Sweet (1:25)
Preview thumbnail for video'The Incredible Reptiles That Flew 200 Million Years Ago
The Incredible Reptiles That Flew 200 Million Years Ago (2:41)
Preview thumbnail for video'Watch a Bombardier Beetle Mace a Praying Mantis
Watch a Bombardier Beetle Mace a Praying Mantis (1:09)
Preview thumbnail for video'The Surprising Reason Birds First Grew Feathers
The Surprising Reason Birds First Grew Feathers (2:31)
Preview thumbnail for video'ALMA Reveals Planets Born Earlier Than We Thought
ALMA Reveals Planets Born Earlier Than We Thought (2:06)
Preview thumbnail for video'Reptiles Can't Fly. But This One Glides Like a Pro
Reptiles Can't Fly. But This One Glides Like a Pro (1:44)