THE KNOWLEDGE FEED

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5 Celebrity Kidnapping Plots

Ethan Trex

Every kidnapping is a tragedy, but most involve people unfamiliar to the public. Occasionally, though, there are celebrity kidnappings on par with the Lindbergh baby and Patricia Hearst.

Great High School Documentaries

Ransom Riggs

In the old days, many of the great documentaries were about hardship in exotic lands (Nanook of the North) or deeply significant world events (Night and Fog, Triumph of the Will).

The Day the Music Died

Miss Cellania

Fifty years ago today, a plane crashed shortly after taking off from Clear Lake, Iowa, killing all four people aboard. They were pilot Roger Peterson, Buddy Holly, Richie Valens, and J.P.

Brain Game: Just Visiting

Monopoly was always one of my favorite board games, and I won more than my share of games, but I was always a stickler for the rules.

Morning Cup of Links: DIY DNA Testing

Miss Cellania

Hugh Rienhoff's daughter has a rare genetic defect that doctors can't identify or treat, so he took it upon himself to sequence her DNA.

4 Governors Who Did Time

Chris Weber

When I met Rod Blagojevich at a Chicago Cubs game in 2007 (that's us), he was a wily incumbent who had just won easy reelection despite longstanding rumors of corruption.

How Did You Know? - {day 5}

David K. Israel

If you've made it this far, I commend you! One more puzzle to solve and you're home free.

The Quick 10: What 10 Movie Props Later Sold For

Stacy Conradt

1. The sled from Citizen Kane. One of the balsa wood sleds (there were a couple, and one pine sled) was sold for $60,500 in 1982. Its new owner? Steven Spielberg. 2.

Peter Ward on Mass Extinctions

Chris Higgins

Author Peter Ward thinks he knows how the Earth will end. Well, perhaps not end, but cease being Earthlike -- the comfy place we know and love that supports mammalian life.

One More Book To Give Away

Jason English

For the last of our January book giveaways, we asked you to design a class for the fictional mental_floss_university.

Who Invented the Wheelchair?

Floss books

The first wheelchairs didn't just transport the disabled. They were also good for toting dirt, stone and construction supplies around

Why Is The Middle Finger Offensive?

David Clark

The middle finger is one of our species' oldest and most ubiquitous insulting gestures. But why is waving one of your fingers offensive?

Lunchtime Quiz: Super Bowl QBs

Jason English

On Sunday, Ben Roethlisberger became the tenth quarterback to start in two or more Super Bowl wins. We've put two minutes on the clock.

Found: A Vampire Graveyard

Ransom Riggs

Ever since the Raiders of the Lost Ark rocked my childhood, I've been a big fan of anything that combines archaeology and the supernatural.

Brain Game: Write Right

You're starting a new year at a new school. You arrive in the morning with a notebook and most of the other essentials.

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