THE KNOWLEDGE FEED

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Gyrowheel

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Gyrowheel

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Vive La Vino!

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Vive La Vino!

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The Number of the Day: 19

Colin Patrick

Rappers and poets take note: Most people have heard there are no words that rhyme with "orange." But according to Dictionary.com, there are 19 words in the English language that have no perf

Kid Casting

Chris Higgins

Kid Casting is a Tumblr devoted to one simple, awesome pursuit: collecting movie screen captures showing the same movie/TV character portrayed as both a kid and an adult.

It's Timeline Time!

Colin Patrick

Graphs, flowcharts, and Venn diagrams have long been popular on the interweb. Could timelines now be taking their turn in the visual graphic sunshine? The minds behind When the What think so.

When Can We Have A Space Elevator?

Ransom Riggs

The space shuttle's retirement has prompted me to think a bit harder about the future of the American space program.

Why Does the Shower Curtain Always Try to Get Me?

Matt Soniak

For those of you who take baths or are simply unconcerned with hygiene, let me explain the horror that is the “shower curtain effect.” You get in a nice hot shower first thing in the morning.

Brain Game: Math Square #73

If the image gods are listening today, you'll see Monday Math Square #73 below for today's mentalfloss.com Brain Game.

Morning Cup of Links: Pendulum Waves

Miss Cellania

When We Tested Nuclear Bombs. See a series of photographs from the 2,000 nuclear tests performed since 1945. (via Metafilter) * IKEA manuals for various science fiction universes.

Last Week's Most Popular Stories

Jason English

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

The Late Movies: Mousetrap Chain Reaction

Miss Cellania

Disney produced a documentary promoting nuclear power in 1957 called Our Friend the Atom. It has been shown in countless high school science classes since then.

The Wheaton and Other Unusual Units of Measurement

Stacy Conradt

Because sometimes feet and seconds just won't do. 1.

FRESH PERSPECTIVES: OSAMA

David K. Israel

Kids weigh in on the recent death of Osama Bin Laden! Very

A Fake 80's Commercial for a Now-Real Fake 80's Toy

Chris Higgins

"Lots-o'-Huggin' Bear gives you lots o' hugs, and lots o' love, and lots o' fun, no matter where you are." -Narrator, faux 1983 commercial for Lots-o'-Huggin�

Books That Took Forever to Finish

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.

Nightmarish Dollhouses Designed by a Madman

Ransom Riggs

Over at Fast Company there's a slideshow of incredible dollhouse interiors, all designed by a Santa-Claus-lookin' Frenchman who operates somewhere between the world of Franz Kafka and that o

What's On Your Movie Location Map?

Colin Patrick

If they made a map filled with all of the film characters associated with my hometown of Columbus, Ohio, it would contain an image of Nick Nolte from the obscure 1984 film Teachers (Filmed in Columbus

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