THE KNOWLEDGE FEED

Amazing Facts, 140 Characters at a Time

Jason English

Follow @mental_floss on

7 Different Ways to Say Hello

Haley Sweetland Edwards

Greetings, earthling. People all over the world—from Albania to Zimbabwe, from Belarus to Vietnam—generally answer their phones using some variation on the standard “hello”: Hallo? Alo! Halo? A lô!

Skunk Cabbages Are So Hot

Jill Harness

Can a plant be warm blooded? Well, being as how they have no blood, the obvious answer is no.

Brain Game: The Too-Long Wheelbarrow

Three words are all you need to pass today's Tuesday Test Time.

Morning Cup of Links: Sea Monkeys

Miss Cellania

Bradley Manning’s Army of One. He's in jail for allegedly leaking military documents to Wikileaks, and everyone wants to know why. (via Boing Boing) * The Physics of Cheating in Baseball.

Does Diet Soda Make You Fat?

Meghan Holohan

The Internet has helped rumors about aspartame become more exaggerated—it's been said to cause seizures, lupus, autism, Gulf War syndrome (huh?) and more.

The Mount Everest Graveyard

Stacy Conradt

Everyone knows that climbing Mount Everest is one of the greatest physical accomplishments man can achieve. It’s so difficult, in fact, that many don’t survive to tell the tale.

Chocolate-Covered Corn Dogs and Other Delicacies

Jill Harness

The San Diego County Fair is a delightfully disgusting romp through the bounds of gluttony.

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: 1920s Mugshots

Allison Keene

Beautiful and magical mathematical music - artists compose a lovely melody assigning notes within the C major scale to numbers to find out what Tau sounds like.

The Kinds of Sandcastles I'd Be Building if Only It Weren't Raining

Jason English

Photo credit: Mark Renders/ We're spending the weekend at the beach, and for the last three weeks, I've been getting my daughter pumped for an all-day sandcastle building adventure.

Those Aren't Your Father's Fireworks

Ethan Trex

When you’re a kid, the Fourth of July is devoted to finding a bigger, louder, awesome-r way to blow things up in a celebration of freedom.

Weekend Links: Sergeant Stubby to the Rescue!

Allison Keene

I'll kick things off with an unlikely war hero by the name of Sergeant Stubby. Unlikely because … he was a dog!

The Silly Putty Smackdown: Wright vs Warrick

Stacy Conradt

The inventor of Silly Putty probably didn’t find the substance that silly.

The Late Movies: Happy Canada Day!

Miss Cellania

Before Canada Day is over, let's send out a video tribute to our friends to the north. Canadians are known for their pride, hospitality, and sense of humor. Especially their sense of humor.

Pages