THE KNOWLEDGE FEED

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Brain Game: Five-Four

By changing one letter at a time to form different English words, and leaving all other letters in their original positions, convert FIVE into FOUR in seven (or fewer) steps.

Morning Cup of Links: Disastrous Typos

Miss Cellania

Actress Lynn Redgrave, who died Sunday, asked her daughter to document her battle against breast cancer in photographs. The pictures are sweet, sad, scary, and one may be NSFW.

The Late Movies: Great Movie Monologues

Ransom Riggs

Long chunks of unbroken monologue are what great film actors seem to love most, and what we remember many of our best actors for.

motionbox and neatorama present: HDYK? - {day 5}

David K. Israel

It's an all-new 5-day trivia hunt! Co-puzzle Master Josh Halbur and I are happy to bring you the next How Did You Know?

The Quick 10: 10 Ronco Products

Stacy Conradt

It's a pretty important day in history, you guys "“ after all, where would we be without the Showtime Rotisserie or Hair in a Can? Yes"¦ it's Ron Popeil's birthday.

Pet Sounds: 4 Animals That Could Really Talk

Rob Lammle

There's no need to page Doctor Doolittle for this case. Here are the amazing, true stories of four animals that could speak for themselves. 1. Hoover the

Bill Murray Reads Poetry to Construction Workers

Chris Higgins

In this video, Bill Murray reads poetry (including Emily Dickinson) to construction workers at the Poets House in Manhattan.

mental_floss on Wisconsin Public Radio Today

Jason English

If you're searching for audio programming between 11:00 and noon (Eastern) and you've always wondered what Ethan Trex sounds like, you're in luck.

Brain Game: Math Square #23

The nine white squares inside the main red grid should be filled with the digits 1 through 9. Each digit should appear only once in this main grid. Two of these numbers are already provided for you.

Morning Cup of Links: Wang Chung Tonight

Miss Cellania

Cancer patient Erik Martin always wanted to be a superhero and even designed his own secret identity as Electron Boy.

Strange Geographies: Searching for the "Real" Venice

Ransom Riggs

It's been said that Venice is not just a city of museums, but a museum city, a place to be visited and appreciated but not lived in, where on a sunny summer day tourists can outnumber locals two-

Last Week's Most Popular Stories

Jason English

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

Product of the Weekend

Jason English

Whether your mom has a degree in English or she's a math professor, we've got the perfect Mother's Day gift for her. (Or if she's an anthropologist. Or she loves pirates.

The Weekend Links: Saturday Edition

Allison Keene

Women (and men!) have often employed strange methods for attaining beauty, although I myself would have to draw the line way before I got to bird dropping facials, ground pig placenta, or any of these

Lunchtime Quiz Leftovers

Jason English

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