THE KNOWLEDGE FEED

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"Life," the New "Planet Earth," Premieres Sunday, 8pm

Chris Higgins

Premiering Sunday (March 21) at 8pm on the Discovery Channel in the US: Life, a new documentary miniseries from the producers of Planet Earth.

5 Things You Didn't Know About Martha Stewart

Ethan Trex

You know Martha Stewart as the crafts-and-cooking guru who has dominated print and broadcast media. You know her as the stockowner who ran into a bit of trouble with the feds.

Crazy Things Your Teachers Told You

Jason English

Every Friday, I post a series of unrelated questions meant to spark conversation in the comments. Answer one, answer all, respond to someone else's reply, whatever you want. Very casual.

Mr. Pixel and Mrs. Grain

Ransom Riggs

What's the best film acquisition format -- film or digital?

Springtime Sale! Get 15% off in the mental_floss Store

Mangesh & Jason

We've added some fun new stuff to the mental_floss store, including disappearing mugs, pet toys and sippy cups. If you see something you absolutely need, buy it today and get 15% off your order.

The Weird Week in Review

Miss Cellania

Cold Man Gets Into Bed With Stranger An unidentified man in South Washington, Pennsylvania felt someone get into bed with him Wednesday morning.

Brain Game: Sandy's Square Dance #1

Today's Brain Game is a new addition to the mix... something we've done occasionally in the past, but not as a recurring series.

Morning Cup of Links: Astronaut Stars

Miss Cellania

Once upon a time, astronauts were as famous as movie stars. NASA apparently wants to bring back those days with cinematic mission posters. * 20 Moments In Strange Pet Walking.

The Late Movies: Alex Chilton

Mark Arminio

Alex Chilton, the dynamic, soulful leader of both The Box Tops and Big Star, died last night in New Orleans at the age of 59.

Discovery's "Life," Coming This Sunday

Chris Higgins

Here's a quick teaser to a larger post tomorrow. Discovery and the BBC are about to release Life, their followup effort to Planet Earth, the massive nature documentary from a few years back.

The Quick 10: 10 Gestation Periods in the Animal Kingdom

Stacy Conradt

So, I'm pretty much done being pregnant. I mean, I'm not "“ I'm only 30 weeks "“ but mentally, I'm over this.

9 Very Rare (and Very Expensive) Video Game Cartridges

Rob Lammle

If you've ever collected baseball cards, comic books, stamps, or maybe those limited edition commemorative plates, you understand the concept of the "Holy Grail" item.

Animal Husbandry Gone Too Far?

Jill Harness

What happens when you combine a goat with a spider? It sounds like a joke set up you'd see on the back of a popsicle stick, but instead this is a real question scientists have asked.

Jayhawks, Hoyas & Owls (Oh My!): How 21 Schools Got Their Nicknames

Ethan Trex

March Madness starts today, which means you're going to be tossing team nicknames around like crazy for the next few weeks. Do you know where these mascots came from, though?

Ho-Ho-Ho: The People Behind 4 More Famous Sounds

Kara Kovalchik

On Tuesday, David Israel introduced us to the people behind 10 famous disembodied voices. Today let's put names and faces to four more seemingly anonymous sounds. 1.

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