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11 Awesomely Unexpected Things in St. Louis’s City Museum

Erin McCarthy

It’s hard to describe St. Louis’s City Museum to people who haven’t been there, but calling it a giant playground is a good place to start.

11 Word of the Year Candidates That Didn't Catch On

Adrienne Crezo

To the dismay of many people with swag, "GIF" edged out "YOLO" to become the Oxford Dictionaries Word of the Year.

11 Weird Fashion And Beauty Trends From Around The World

Bill DeMain

If you just don't get the Oliver Twist-esque street urchin look that defines hipster fashion, or the weird, two-tone hair (it's called ombre!) that so many celebrities have, you'll be d

11 Badass Neil deGrasse Tyson Quotes

Chris Higgins

Neil deGrasse Tyson is America's preeminent badass astrophysicist. He's a passionate advocate for science, NASA, and education.

Brain Game: An Earnings Statement

Today's mentalfloss.com Brain Game Tuesday Test Time challenge needs only the name of a U.S. state.

Morning Cup of Links: 11 Links

Miss Cellania

Oxford Dictionaries’ Word of the Year Is GIF. It was always a noun, but now it is also used as a verb. * Here Are 40 Animals Who Are More Ready For Thanksgiving Than You Are.

11 Artists Doing Amazing Things With Recycled Materials

Jill Harness

We all know that you’re supposed to reduce, reuse and recycle, but for artists, reuse and recycle often have totally different meanings than they do for the rest of us.

11 Famous Misquotations and What Was Really Said

Stacy Conradt


Note: We're Celebrating the 11th on the 13th This Month

Jason English

Quick programming note: We normally post 11 '11 lists' on the 11th day of every month. This month, with the 11th on a Sunday, we decided to push it back a couple days.

The Late Movies: Welcome Home, Soldier

Andréa Fernandes

For Veterans Days past, we've shown you videos of military servicemembers being welcomed home by their dogs.

The Missing Links: Six Decades of Mad

Colin Patrick

Still Mad After All These Years Everyone’s favorite juvenile satire rag is 60 years old.

Researchers at Duke Are Perfecting an Invisibility Cloak

The Week

Duke University researchers perfect the illusion of invisibility using a new light-bending

Follow @mental_floss on Instagram

Jason English

I wander around and take pictures of things, like the turkeys invading my neighbor's yard. Then I find fun facts to go with the photos and upload them to Instagram.

A 50% Stake in Domino’s Pizza Was Once Traded for a Used VW Beetle

Daven Hiskey

Daven Hiskey runs the wildly popular interesting fact website Today I Found Out. To subscribe to his "Daily Knowledge" newsletter, click

Sesame Street's Hurricane Coverage

Chris Higgins

Way back on March 26, 2001, Sesame Street aired an episode explaining that a hurricane was moving up the eastern seaboard, headed for Sesame Street.