Elmo is the only non-human to testify before Congress.
Follow @mental_floss on
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!
Can a plant be warm blooded? Well, being as how they have no blood, the obvious answer is no.
Three words are all you need to pass today's Tuesday Test Time.
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.
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.
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.
The San Diego County Fair is a delightfully disgusting romp through the bounds of gluttony.
In case you weren't obsessively refreshing mentalfloss.com all week, here's what you
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.
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.
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.
I'll kick things off with an unlikely war hero by the name of Sergeant Stubby. Unlikely because … he was a dog!
The inventor of Silly Putty probably didn’t find the substance that silly.
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.