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The Sagan Series: The Humans

Chris Higgins

The Sagan Series continues to surprise.

Brain Game: Big John

We're currently about eight months away from the next presidential election, so today's mentalfloss.com Brain Game Tuesday Test Time challenge focuses on a particular Commander-in-Chief of t

Morning Cup of Links: Ukrainian Crystal Caves

Miss Cellania

Can Advertising Survive the Digital Age?

10 Hilarious Pop Reinterpretations

David K. Israel

Artist Hillary White knows her classics... so well, that she's able to mash them up with pop-culture references and characters.

18 Athlete Explanations for Failed Drug Tests

Bud Shaw

© ART FOXALL/UPI/Landov Milwaukee Brewers' star Ryan Braun will start in left field on Opening Day.

Brain Game: Math Square #115

Start your week off right with a new Monday Math Square for today's mentalfloss.com Brain Game.

Morning Cup of Links: Cameron's Abyss

Miss Cellania

Filmmaker James Cameron has accomplished his goal of reaching the bottom of the Mariana Trench, the deepest depth of the Earth's oceans.

Weekend Links: The Giant Metal Moles Under London

Allison Keene

I haven't found a great game to feature on here in a while (I'm not counting pinball from yesterday since it was so rudimentary, though still fun!), so I'm pleased to finally be able to

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: Schrodinger's Ant

Allison Keene

From Abe Lincoln To Donald Duck, the history of the income tax.

The Late Movies: Tug of War

Miss Cellania

A video of a tug-of-war between a Canadian soldier and a US soldier went viral today.

Live This Sunday: Matt on Skeptically Speaking

Matt Soniak

Shameless self-promotion time: This Sunday (3/25) at 6pm Mountain Time, I’ll be on the radio show Skeptically Speaking.

Kids Build Battlestar Galactica Viper Simulator in Garage

David K. Israel

Talk about fracking talented! These guys have started building a full, virtual, BSG Viper simulator in their garage.

Save the Date: National Stuff That Was Popular When You Were a Kid Day

Jason English

Are you planning to celebrate National Stuff That Was Popular When You Were a Kid Day on Monday? I understand if you're not, as it's a new holiday that we're inventing.

mental_floss on CBS This Morning

Jason English

If you wish your morning news show was a bit more like our Amazing Fact Generator, you may want to gravitate to CBS This Morning.