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9 Questionable Choices for Previous Super Bowl Halftime Shows

Stacy Conradt

The NFL has announced that Madonna will be your halftime entertainment for Super Bowl XLVI in February.

Brain Game: Math Square #100

Good luck with today's mentalfloss.com Brain Game. It's hard to believe that we're passing the century mark with the Monday Math Square.

Morning Cup of Links: Flying Cheerleader

Miss Cellania

The 45 Most Powerful Images Of 2011.

Help Name This Octopus

Jill Harness

This lovely Giant Pacific Octopus was just brought to the Smithsonian National Zoo after the previous octopus resident, Octavius, passed away.

Where the Golden Arches Are Actually Turquoise

Stacy Conradt

Store this away for a future pub quiz night: Only one McDonald's in the world has turquoise arches.

Nature, as Created by an Artist in His Fish Tank

Jill Harness

Between the clouds, the trees, and the stunning rock formations, this landscape seems like a hikers' paradise. The only problem?

Shemp: The Forgotten Stooge

Eddie Deezen

Samuel "Shemp" Horwitz was born on March 17, 1895. He was the third in the line of five consecutive brothers born to Sol and Jennie Horwitz.

Last Week's Most Popular Stories

Jason English

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

Weekend Links: Positively Crazy Inventions

Allison Keene

From the Department of Nostalgia: The Tour De France in the Good Ole Days.™ Like everything from the Good Ole Days™ everyone smokes and drinks all the time … most especially the cyclists! * Some pre

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Mangesh & Jason

26 Things You Might Not Know Were Named After Places

Kathy Benjamin

From cheddar cheese to the tuxedo.

The First Text Message Was Sent 19 Years Ago Today

Jason English

This is bound to come up. Follow @mental_floss on Twitter for more pub quiz

Weekend Links: Ugly Renaissance Babies

Allison Keene

This has got to be my favorite meme of the year: Ugly Renaissance Babies. Anytime someone can turn classic art or literature into something accessible and funny, I appreciate it. Know of more?

Lunchtime Quiz Leftovers

Jason English

"Britney Spears" is an Anagram for "Presbyterians"

Jason English

© Lucas Jackson/Reuters/Corbis As the great John Green informed us back in 2006 during his stint as a mental_floss blogger, "Britney Spears" is an anagram for "Presbyterians."