THE KNOWLEDGE FEED

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Matryoshkas

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Matryoshkas

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Tuesday Turnip

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Tuesday Turnip

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On pens

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On pens

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Baby Powder: Killing You Softly?

David K. Israel

The Greeks used it to construct building materials. The Romans used it to clean up blood after gladiator contests.

Brain Game: Stack 'em Up

Thanks for giving today's Brain Game a shot. Enjoy a new one every weekday on mentalfloss.com at 7:30 a.m. Eastern time. Following are 8 four-letter words and names.

Morning Cup of Links: The Updated Hubble

Miss Cellania

The 19-year-old Hubble Telescope was refurbished earlier this year. Some new, improved photographs have been released, and are eye-popping awesome!

The Late Movies: 9 Great Beatles Videos

Chris Higgins

Today (09-09-09) marks the landmark re-release of the entire Beatles catalog (thirteen albums plus two additional discs of non-album tracks) as boxed sets and individual discs, in two formats: the or

4 Great Documentaries Currently Free on YouTube

Chris Higgins

So, recently YouTube started showing whole movies for free -- much like Hulu, there are occasional ads interspersed, but they're not too bad.

The Quick 10: 10 "Fifth Beatles"

Stacy Conradt

09.09.09: It's Beatlemania all over again. At least, it is at my house.

Do Blind People See Things in Their Dreams?

Matt Soniak

A question from reader Josiah: "Do blind people see when they dream? I think there are two sides to the question, dealing with people who were born blind, and those who used to be able to see.&q

Mail Time! Reconnecting a Reader With Her Horse

Jason English

In last week's newsletter—yes, we have a newsletter; the sign-up box is on the right—I reprinted a few emails from a reader who, with the help of a story by our own Scott Alle

Dietribes: Summer Sangria

Allison Keene

"¢ In reference to its base of red wine, the word sangria means "bloody." Despite its eerily evocative etymology, Sangria is considered a friendly and socially-inclined drink (perhaps

Walking in Circles

Meghan Holohan

In many horror movies, there's a scene when the captives try to escape.

9 Things You Probably Don't Know About The Beatles

David K. Israel

Today is 09/09/09, and you know what that

Brain Game: By the Neck

A certain group of readers will have no problem with today's Brain Game; and I'm sure they'll make themselves known.

Morning Cup of Links: Deadly Substances

Miss Cellania

Where Did All the Flowers Come From? Figuring out the evolution of flowers may be a matter of analyzing how the DNA of modern flowers works. * Kate Pong gives birth to quintuplets.

The Late Movies: Printer Smashing

Mario Marsicano

Did anyone see Extract this weekend? I'm going this week, and if it's even a quarter as good as Office Space, I'll be happy.

Fire Ants Build Lifeboat Out of Ants to Save the Queen

Chris Higgins

Here's your daily dose of science video: in this BBC production, "A flood hits a fire ant colony in the Amazon jungle.

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