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Preview thumbnail for video'Scientists Recreate a Stone Age Cremation
Scientists Recreate a Stone Age Cremation (4:14)
Preview thumbnail for video'A Polar Bear Released Back Into the Wild by Helicopter
A Polar Bear Released Back Into the Wild by Helicopter (2:12)
Preview thumbnail for video'A Tense Encounter Becomes a Perfect Polar Bear Photo Op
A Tense Encounter Becomes a Perfect Polar Bear Photo Op (2:42)
Preview thumbnail for video'This 2,400-Year-Old Corpse Is in Remarkable Condition
This 2,400-Year-Old Corpse Is in Remarkable Condition (2:57)
Preview thumbnail for video'This Mass Grave Discovery Could Alter Roman History
This Mass Grave Discovery Could Alter Roman History (3:10)
Preview thumbnail for video'Female Polar Bears Need an Extra 220 Lbs. for Pregnancy
Female Polar Bears Need an Extra 220 Lbs. for Pregnancy (3:01)
Preview thumbnail for video'Inventing the Jet Engine Came With a Few Disasters
Inventing the Jet Engine Came With a Few Disasters (2:55)
Preview thumbnail for video'It Took Decades to Solve This UN Plane Crash Mystery
It Took Decades to Solve This UN Plane Crash Mystery (3:56)
Preview thumbnail for video'Incredible Timelapse of Dry Badlands Thunderstorm
Incredible Timelapse of Dry Badlands Thunderstorm (2:06)
Preview thumbnail for video'Here's Exactly How Shrunken Heads Are Made
Here's Exactly How Shrunken Heads Are Made (3:58)
Preview thumbnail for video'A Polar Bear's Diet Consists of Anything Edible
A Polar Bear's Diet Consists of Anything Edible (1:49)
Preview thumbnail for video'Elderly Polar Bear Spars With Young Males
Elderly Polar Bear Spars With Young Males (3:17)
Preview thumbnail for video'Footage of the First Martin-Baker Ejection Seat Test
Footage of the First Martin-Baker Ejection Seat Test (2:55)
Preview thumbnail for video'Scientists Go on a Mission to Save Sea Turtles
Scientists Go on a Mission to Save Sea Turtles (3:58)
Preview thumbnail for video'Why Panama's Urban Development Is a Threat to Animals
Why Panama's Urban Development Is a Threat to Animals (1:33)
Preview thumbnail for video'Experts Assess Why This Plane Fell Off a Cliff
Experts Assess Why This Plane Fell Off a Cliff (2:24)
Preview thumbnail for video'The Deadly Secret Kept From the Titanic's Passengers
The Deadly Secret Kept From the Titanic's Passengers (3:06)
Preview thumbnail for video'A Routine Landing Turns Into Every Pilot's Nightmare
A Routine Landing Turns Into Every Pilot's Nightmare (2:34)
Preview thumbnail for video'Capturing a Photo of a Swimming Polar Bear is Risky Work
Capturing a Photo of a Swimming Polar Bear is Risky Work (3:53)
Preview thumbnail for video'One of the Worst Man-Made Disasters in History
One of the Worst Man-Made Disasters in History (4:03)