THE KNOWLEDGE FEED

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Cool Uses for Old Records

Jill Harness

Whether they're scratched good albums or terrible music that should never have been pressed, there are tons of vinyl albums out there that even the most die-hard collectors have no interest in.

Brain Game: Math Square #58

Thanks for playing the Monday Math Square. The nine white squares inside the main red grid should be filled with the digits 1 through 9.

Morning Cup of Links: Two Spacers and Too Spaced

Miss Cellania

It took over two decades for Martin Luther King, Jr. Day to became a national holiday. Seventeen years passed between the declaration of a federal holiday and its recognition by all 50 states.

Weekend Links: Interactive UFO Maps - Who Saw What Where

Allison Keene

Product placement in cinema is nothing new, and the folks over at Film Drunk have put together a nice little mashup of the most egregious offenders. * Your weekly dose of cute (in the category of Lo

Last Week's Most Popular Stories

Jason English

In case you weren't obsessively refreshing mentalfloss.com all week, here's what you

Weekend Links: Crushin' on Tesla

Allison Keene

Wikipedia has been around for 10 years! Happy Birthday. You know what this means, of course: it's time for a retrospective of this unique American achievement.

How Did the Duck Hunt Gun Work?

Matt Soniak

The Duck Hunt gun, officially called the NES Zapper, seems downright primitive next to today's technology. But in the late '80s, it filled plenty of young heads with wonder.

The Late Movies: Sequels to The Titanic

Miss Cellania

I didn't watch the movie The Titanic for ten years because I already knew how it ended: the boat sank. Which is what makes the idea for a sequel that much sillier.

The Quick 15: the Forbes Fictional 15

Stacy Conradt

Every year, Forbes analyzes the net worth of really rich people – really rich people who don’t actually exist. In the past, Uncle Sam and Scrooge McDuck have been the highest rollers.

Puppies Wearing Hats Eating Bacon Sharing Facts (about the Louvre)

Stacy Conradt

Dogs aren't allowed in the Louvre?! We'd be offended if so much of the art inside didn't revolve around our canine

That's One Way to Get Your Baby Some Fresh Air

Colin Patrick

As the father of a 16-month old – and another bundle of joy due next month – my wife and I are constantly on the lookout for clever baby products that might provide our son(s) with positive experience

Google Science Fair 2011

Chris Higgins

Google is holding a science fair online! If you're from 13-18 years old, and work either alone or in a team or two or three, you can enter.

NSFW Reviews of Classical Music

Ransom Riggs

Leave it to Vice Magazine to dirty up what is otherwise the most straight-laced and coma-inducing genre of writing imaginable: reviews of classical music albums.

4 Classic Battles Between Man (or Horse) and Machine

Rob Lammle

Nothing could prepare Jeopardy! champ, author and regular mental_floss magazine columnist Ken Jennings for the battle he's about to face.

Times You Fought the Law (and Won)

Jason English

On Fridays, 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.

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