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Where Did Tennis Get Its Scoring System?

Stacy Conradt

Love? 15-30...40? What's the deal with tennis scoring? Here are a few theories, with input from Mary Carillo.

World War I Centennial: German Chemists Invent a Lifeline

Erik Sass

On the eve of the Great War, German chemists discovered a way to synthesize nitrates artificially – a momentous achievement that allowed Germany to fight on for four long years after its overseas sour

The Late Movies: Marching Bands Playing Rap and R&B

Erica Palan

The Missing Links: Things You'll Never Know

Colin Patrick

10 Kind-of-Violent Board Games from the 1960s

Kara Kovalchik

We didn’t have video games like Mortal Kombat or Grand Theft Auto back in the 1960s, but that doesn’t mean that we didn’t get our whacks in during play time.

5 Amazing Things People Buried in the Desert

Kathy Benjamin

Heat, sand, and isolation make the desert a great place for treasure to hide.

Strange States: Arkansas

Rob Lammle

Today we're heading to the birthplace of Wal-Mart, Johnny Cash, and Bill Clinton: the Natural State, Arkansas.

19 Things You Might Not Know About California

Amanda Green

You say it's your birthday? It's California's birthday, too. On September 9, 1850, it became the 31st state in the Union.

Why Do the Chinese Farm Cockroaches?

Matt Soniak

How Stop Motion Animation is Made

Chris Higgins

How to Lift a Car in a Pinch

Normally, if you need to lift a car, your best bet is a jack.

10 Things That Have "Rained" From the Sky

Will McGough

We’re all familiar with the phrase “raining cats and dogs,” but what about fish and frogs and raw meat?

Last Week's Most Popular Stories

Jason English

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

Lesser-Known Weapons of World War II

Jill Harness

Weekend Links: Literal Metaphor Stock Photos

Roma Panganiban