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Video
Here's How a Mercedes-AMG V8 Engine Is Built (02:34)
How Edith Roosevelt Completely Transformed the White House (04:23)
Never-Before-Seen Footage of Clownfish Hatching (02:19)
Watch This Male Mantis Shrimp Dance to Attract a Mate (01:35)
How Americans Found a Clever Loophole in the Prohibition Act (02:23)
This 1977 Plane Crash Occurred Right on the Runway (03:14)
Why the Flamingo Signaled the Birth of Sin City (01:41)
Rare Home Movies of the Secret Manhattan Project Grounds (02:15)
This Man Filmed Life Inside an Internment Camp (02:41)
What the First Radio Commercial Jingle Sounded Like (02:07)
These Men Risked Their Lives to Build 1920s New York Skyscrapers (02:14)
Civil War Submarine Battles Were Often Suicide Missions (03:14)
How Eleanor Roosevelt Redefined the Role of First Lady (01:55)
How 9/11 Drastically Altered U.S. Flight Security (02:13)
Why the Shift to Farming Ruined This Ancient City's Health (03:31)
30 Workers Fell While Building the Golden Gate Bridge (01:38)
Her Majesty The Queen and Alastair Bruce watching archive footage of the carriage journey to her Coronation (01:27)
Her Majesty The Queen and Alastair Bruce discussing the Imperial State Crown (00:51)
Why Did the U.S. Sink Captured Japanese Subs After WWII? (01:42)
How the New Deal Left Out African-Americans (01:50)
This Priest Witnessed the 9/11 Pentagon Plane Crash (02:55)
Rare Footage of FDR Walking With Leg Braces (02:26)
Why Nancy Reagan's Sense of Style Wasn't Appreciated (03:08)
The Amazing Adaptation That Keeps Tamarin Numbers Up (03:14)
Yes, Putting an Emergency Oxygen Mask on First Is Vital (03:08)
Intense Footage of Kamikaze Attacks During WWII (03:12)
The Volcanoes That Still Threaten New Zealand's Safety (01:33)
A Doomed Aircraft Is Left to Fly Until It Runs Out of Fuel (03:10)
Gladiator Teeth Reveal Signs of Infant Malnourishment (03:09)
This New Zealand Farmer Revolutionized Modern Planes (01:20)
Evidence Suggests Stonehenge Was an Elite Cemetery (03:08)
Forensic Test Reveals a Mummy's Travels Before Death (03:31)