THE KNOWLEDGE FEED

Pages

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

A Super Sale for Super Moms! Get 15% Off Your Order

Mangesh & Jason

Do all your Mother's Day shopping in the mental_floss store! Use the coupon code SUPERMOM before checkout and get 15% off.

The Late Movies: Horse Racing Hijinks

Miss Cellania

The 136th annual Kentucky Derby is tomorrow. To get into the mood, here are some classic races from all over featuring creatively-named horses.

The Quick 10: Pippi Longstocking

Stacy Conradt

I have a special place in my heart for Pippi Longstocking "“ when I was in about first grade, my mom brought a ball of white fluff home that been abandoned at her workplace and told me I could na

Spider-Man Window Washing

Jill Harness

"Spider-Man, Spider-Man, creates a streak-free shine wherever he goes." For some reason, this song just isn't as catchy as the actual Spider-Man theme.

motionbox and neatorama present: HDYK? - {day 4}

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?

Amazing Facts, 140 Characters at a Time

Jason English

Just a reminder that we're always in the market for new Twitter friends. That is

Have You Ever Walked Out of a Movie?

Jason English

Every Friday, I post a series of unrelated questions meant to spark conversation in the comments. Answer one, answer all, respond to someone else's reply, whatever you want. Very casual.

The Weird Week in Review

Miss Cellania

"Thelma Lou" is Victim of Robbery Betty Lou Lynn is the actress who played Thelma Lou, deputy Barney Fife's girlfriend on the TV series The Andy Griffith Show.

Pages