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This Sand Hates Water!

Chris Higgins

If you take regular sand and expose it to trimethylsilanol vapor (ahem, (CH3)3SiOH for the chemists in the crowd), the sand becomes hydrophobic -- literally meaning "water-fearing." The res

6 Summer Camps for Exceedingly Wealthy Children

Rob Lammle

For many, summer camp means a week sleeping in a cabin that doubles as a sweat lodge, spider-infested communal showers, and swimming in a scummy pond.

Last Week's Most Popular Stories

Jason English

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

Who Invented the Knuckleball?

Scott Allen

RAY STUBBLEBINE/Reuters/Landov New York Mets pitcher R.A.

Íslendingabók: How Icelanders Avoid Incest and Find Celebrity Relatives

Jill Harness

Living in a small, mostly static population creates some uncomfortable issues.

"Rainbow Connection," 33 Years Later

Chris Higgins

33 years ago yesterday, The Muppet Movie made its silver screen debut.

Weekend Links: The Technicolor Dream Whale

Allison Keene

I think the title of this says it all: "Holy crap, this whale spouts rainbows." * From James, "I realize this is an ad for Coca Cola, but I still liked the video clips." James,

11 Authors Who Hated the Movie Versions of Their Books

Stacy Conradt

Some of the most beloved movies ever were based on books. But just because we loved them doesn’t mean the original author

The Late Movies: Fennec Foxes

Miss Cellania

I posted a list of 14 of Your Dog’s Wild Relatives earlier this week. One of them is the Fennec fox, the smallest canine species of all.

What Happened To All Those Chargers Destroyed in Dukes of Hazzard?

Lucas Reilly

CBS/LandovOver seven seasons, the General Lee went airborne more than 150 times. Although it seemed fine on screen, the General rarely survived a jump.

The Missing Links: How Are Bald Men Still Living?

Colin Patrick

“If You Do Anything Stupid You Shall Re Sieve A Gun Short” Twitter user @SamelaAnderson posted this picture, billing it as “LITERALLY THE GREATEST SPAM EMAIL I WILL EVER GET IN MY LIFE”.

10 Ideas for Antiquating Your Modern Technology

Colin Patrick

Modern technology is amazing and efficient. But there is something to be said for the giddy nostalgia created by products from the past.

5 News Stories That Sound Like Horror Movie Plots

M Asher Cantrell

Image: Hemera | Thinkstock The media has become obsessed with the so-called “Miami Zombie” case, and for good reason.

Who is Your Favorite mental_floss Commenter?

Jason English

On Fridays, I post a series of unrelated questions meant to spark conversation in the comments.

Risqué Photos From the Late-1800s

Jill Harness

It's not every day that you can look at risqué pictures on your work computer without worrying about getting in trouble.

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