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15 Microprints Hiding in United States Currency

Caitlin Schneider

Psst: Your money is trying to tell you something.

The Time Teenage Mutant Ninja Turtles Delayed a Guns N’ Roses Concert

Mental Floss UK

Leonardo, Raphael, Donatello, and Michelangelo repopularized karate, raised awareness about environmental issues, and had a strange hold over Axl Rose.

Scientist Uses Vegemite to Conduct Electricity

Erin McCarthy

The yeast-extract spread contains ions and water, which makes it a good conductor of electricity.

Sleep Through this Piece of Classical Music—It’s What the Composer Wants

Caitlin Schneider

Composer Max Richter has written an eight-hour lullaby called "Sleep," which will be enjoyed from beds during its debut performance.

Ecto Cooler: Its Shady Past and Mysterious Disappearance

The fact that it was marketed as orange/tangerine-flavored, yet was fluorescent green in color, isn’t even the strangest thing about it.

17 Wonderful (and Not-So-Wonderful) Facts About 'The Wizard of Oz'

Sarene Leeds

Take a peek behind the curtain.

What’s the Difference Between Dark Matter and Dark Energy?

Mark Strauss the mag

Differentiating the most indefinable and mysterious things in our entire universe.

How Hospitality and Some Tulips Brought Canada and the Netherlands Together

Hayley Harding

This May Be One of the Earliest Koranic Texts in the World

Jen Pinkowski

Researchers say they've discovered one of the oldest Koranic texts in the world.

Morning Cup of Links: eBay Turns 20

Miss Cellania

These links are hot! Check them out!

11 TV-Themed LEGO Sets to Entertain You When the Cable's Out

Alvin Ward

Incorporate your favorite television characters into your building sessions.

See How Google's Logo Has Changed Through the Years

Beth Anne Macaluso

This isn't the first time the search engine has switched things up.

Coming Soon: A Japanese Toilet Museum

Anna Green

Japan is the home of the world’s most high-tech toilets, and soon to be the home of the world’s most high-tech toilet museum

The Day Everyone in Sweden Had to Start Driving On the Other Side of the Road

Nick Greene

Sweden's Dagen Högertrafik ("H Day"): "Right-hand traffic diversion day."

Polaroid Introduces a New Camera That Takes Instant Inkless Pictures

Rebecca OConnell

Polaroid's new digital camera can print out your photos immediately—without any ink.