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5 Model Train Sets That Won’t Fit Under the Christmas Tree

Rob Lammle

In this age of video game consoles and iPads, it’s easy to forget there was a time when miniature trains were at the top of every kid’s holiday wish list.

6 Crazy Ways People Are Prepping for Doomsday

The Week

By Chris

Do Dogs and Cats Have Different Blood Types, Like Humans Do?

Kara Kovalchik

Yes. And our pets sometimes need transfusions, too, so it’s always handy to know what type of blood Spot or Fluffy has (if he or she has had any blood work done, the vet will have this

Video: What Really Brought Down the Hindenburg?

Erin McCarthy

For 75 years, scientists have wondered what caused the Hindenburg, the world's largest airship, to catch on fire as it landed during a thunderstorm in Lakehurst, New Jersey on May 6, 1937.

Brain Game: Join Us

Today's mentalfloss.com Brain Game Tuesday Test Time challenge is a quick one, but that's okay... you still have lots to do before the holiday arrives, right?

Morning Cup of Links: Monkey Custody Dispute

Miss Cellania

This week in litigation: The people vs. IKEA Monkey.

20 Gentle Quotations from Mister Rogers

Chris Higgins

"Solitude is different from loneliness, and it doesn't have to be a lonely kind of thing."

WWI Centennial: The Conference of London Convenes

Erik Sass

Installment #50: In mid-December 1912, as Europe seemed to teeter on the edge of war, diplomats representing the Great Powers, the Balkan League and the Ottoman Empire hurried to an international conf

Watch "John Denver and the Muppets: A Christmas Together" in Its Entirety!

Erica Palan

I'm kind of nuts for the Muppets, so you can imagine my delight when I discovered John Denver and the Muppets: A Christmas Together is available for our viewing pleasure on YouTube.

Celebrate National Free Shipping Day at the mental_floss Store!

Erin McCarthy

National Free Shipping Day is a real thing. Take advantage in the mental_floss store by entering "SHIPFREE" at

Chasing the Cicada: Exploring the Darkest Corridors of the Internet

the mag

By Jed LipinskiWhen an unsuspecting researcher followed a mysterious command on a 4chan board, he found himself drawn into a scavenger hunt that led him down the darkest corridors of the internet and

The Missing Links: When Statues Attack

Colin Patrick

Will There Be A Barcode on the Tombstone? The inventor of the omnipresent barcode recently died and his obituary is sort of odd. * The Future Is Now: Invisibility Cloaks They’re real, and the

Mars Curiosity: Looking Forward, Looking Back

Chris Higgins

On August 6, 2012 the Curiosity rover made a successful touchdown on Mars.

Why Does "XOXO" Mean "Kisses and Hugs"?

Sean Hutchinson

Whether you end a letter or e-mail with it—or you recognize it from the end of each Gossip Girl episode—“Xoxo” is commonly known to refer to the phrase “Kisses and hugs.” But how did these two inconsp

Video of the Huge Asteroid that Buzzed by Earth Last Week

Erin McCarthy

Last week, the 3-mile-wide asteroid 4179 Toutatis flew by Earth—on December 12, Toutatis was 4.3 million miles from Earth; on December 13, it was about 4.4 million miles away.