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How Does Glow-in-the-Dark Stuff Work?

Matt Soniak

If you’re a member of my generation or the one that raised it, your house was probably full of all sorts of glow-in-the-dark stuff in the 80s and 90s.

The Missing Links: Feel That Solstice In the Air

Colin Patrick

Butterfly In the Sky, I Can Go Twice As High... If you know how to complete this sentence, then man do I have an iPad app for you. * Bill Murray: He Came, He Saw, He Got Elected to the Minor Le

Did Astronauts Really Eat Astronaut Ice Cream?

Kara Kovalchik

Of the many specialty items made for space travel, food was obviously a top priority.

Mail Call! Looking for Letters About Our New Issue

Jason English

The new issue of mental_floss is now on newsstands and coffee tables and wherever else magazines are hoarded.

Blade Runner: Special International Non-Director's Cut Watercolor Edition (Workprint)

Chris Higgins

Blade Runner was famously shown in seven different versions: a workprint shown to test audiences, a sneak preview shown only once, a theatrical cut, an "international" cut for non-US audien

There's a Little Bit of Belgium in Every U.S. Dollar Bill

Latitude News

by Albena Shkodrova/Latitude

11 Great Television Shows That Are Lost Forever

Mark Juddery

Much early television was broadcast live and never recorded. This included news and variety shows, of course, but also early dramas and comedy series. Even recorded shows have not been safe.

Can You Really Tell How Close Lightning is by Listening for Thunder?

Matt Soniak

Lightning image via ShutterstockIt sounds a bit like an old wives' tale, but you actually can use the speeds of light and sound to get a rough estimate of how far away a storm is.Scientists have

Brain Game: Backyard Bandits

Today's mentalfloss.com Brain Game Wednesday Wordplay challenge honors the raccoon family that have taken up residence in our backyard.

Morning Cup of Links: TV's Antiheroes

Miss Cellania

O (Omicron) is an art installation by Romain Tardy & Thomas Vaquié.

World War I Centennial: Even Bigger Battleships

Erik Sass

Installment #22: The naval arms race between Britain and Germany (along with smaller naval arms races between other European powers) was precipitated by a new ship, the HMS Dreadnought, which revoluti

The Late Movies: Bill Cosby, Himself

Erica Palan

If I think long and hard about the first thing that I found truly funny, it's stand-up comedy.

The Missing Links: Never Hire A Hypnotist-in-Training

Colin Patrick

When I Count to Three, I Hope You’ll Snap Right Out of It There was a sketch years ago on In Living Color where Jim Carrey was hypnotized and told to act like a chicken, only to have his hypnotist ke

Why Do People Feel Phantom Cellphone Vibrations?

Matt Soniak

Let’s picture a typical moment in my day: I’m minding my own business, with my iPhone in my back pocket.

14 of Your Dog's Wild Relatives

Miss Cellania

All the domestic breeds of dogs that we are familiar with, from chihuahuas to pit bulls, are the same species: Canis lupus familiaris. In fact, our dogs are a subspecies of Canis lupus, or wolf.