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9 Ways People Used Radium Before We Understood the Risks

Adrienne Crezo

Radium was discovered by Marie Curie and her husband Pierre in 1898.

What if Money Were No Object?

Chris Higgins

While this question may seem trite, it is truly valuable if we actually consider it: what would you like to do every day, if money were no object?

Why Do We Crave Chocolate?

Erin McCarthy

If you’re like most people, you simply can’t pass up the opportunity to partake in a piece of chocolate (or five). Some have even said that chocolate melting on the tongue is better than a kiss.

Brain Game: Marks the Spot

In a few days, we'll introduce an exciting presidential event here at mentalfloss.com. In the meantime, enjoy today's POTUS-related Brain Game Tuesday Test Time challenge: Which two U.S.

Morning Cup of Links: Improving Tube Signs

Miss Cellania

Today is the day that Felix Baumgartner will attempt to skydive from 23 miles up.

When Premature Babies Were Sideshows

Jill Harness

If you think sideshows never did anything positive for humanity, think again.

The Stem-Cell Breakthroughs That Won the Nobel Prize

The Week

Two scientists who each made a major discovery — four decades apart — share the science world's prestigious

World War I Centennial: First Balkan War Begins

Erik Sass

Installment #39: On this date in 1912, Montenegro declared war on the Ottoman Empire, opening the First Balkan War and moving Europe one step closer to the conflagration looming in 1914.

The Late Movies: Kinetic Typography

Andréa Fernandes

Kinetic typography, or "moving text," videos have become increasingly popular and have flourished on YouTube, where design students everywhere post their pet projects and school assignments.

The Missing Links: In 1492, Columbus Sailed ... Into A Mall?

Colin Patrick

In A Perfect World, Science Museums Wouldn’t Have to Advertise But since it isn't and they do, you might as well make sure the advertisements are geeky and cool to show off your science smarts.

How mental_floss Helped Erik Dresner Win $22,401 on Jeopardy!

Erin McCarthy

This morning, I got a great email from mental_floss reader (and friend of a friend) Erik Dresner about his experience on Jeopardy! that I had to share.

1-Up: Ohio State Marching Band Rocks Video Games

Chris Higgins

In this stunning 9-minute video, the Ohio State University Marching Band performs a halftime tribute to video games during this weekend's game against Nebraska.

We're #4! Help Our iPad App Reach the Top Spot

Jason English

Last week we launched the iPad version of mental_floss magazine, and with your help we've climbed all the way to #4 on the App Store's Newsstand chart!

What Happens When You Get the Wind Knocked Out of You?

Kara Kovalchik

You know that feeling.

Brain Game: Math Square #141

Please enjoy today's new mentalfloss.com Brain Game Monday Math Square challenge.