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Video
The Smiley Face Was Invented for Corporate America (03:42)
How a Small Tweak Made Lego the Toy You Know Today (03:28)
Why Jack the Ripper's Identity May Soon Be Proven (03:21)
Amy Winehouse Shares Her Favorite Jazz Icons (04:01)
How a Teenager From Idaho Invented TV (05:14)
Museum Secrets Revealed: Pouncing on the Sistine Chapel (02:04)
A Checklist That Might Tell if You're a Psychopath (02:06)
Provoking Presidential Portraits (03:04)
Who Was King Tut's Father? (02:21)
The Strange History of the Jet Pack, and Where it's Heading (03:57)
How the 3-D Printer Is Shaking Up the Medical World (04:55)
The Invention That Changed New York Safety Forever (04:13)
Is the Inca Maiden the World's Best-Preserved Mummy? (04:24)
Virgins of the Sun and the Incan Human Sacrifice (04:38)
The Chronic Pain That Led to Photocopying (03:50)
This Man Filmed the Inside of a Hurricane and Lived to Tell (01:51)
Tree Frog Effortlessly Skydives Away from Hungry Snake (03:31)
The Wild Ride That Comes With a Wingsuit (03:55)
The Vital Life Clues Lurking in Our Fingerprints (02:04)
See the USA in a Minute (01:16)
This 5,300 Year-Old Corpse Was Found by Accident (03:20)
The Rollercoaster Was Invented to Save America From Satan (04:19)
Why the Germans Torpedoed the Lusitania (04:29)
The Biltmore Estate (03:27)
The Making of Modern Day San Antonio (02:09)
Illinois: Al Capone and Chicago's Violent Mobster Past (02:58)
The Hare Krishna Palace of Gold (01:56)
The Black Blizzards of Oklahoma (04:10)
A New View of Vegas (03:31)
On the Shores of the Great Lakes (02:20)
Georgia O'Keeffe's New Mexico (01:48)
White Mountain National Forest (02:07)