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10 Cosplay Terms to Know Before You Head to Comic Con

Angela Tung

It’s that time of year again when fanboys and girls from around the world transform into superheroes, aliens, or maybe just George Lucas. That’s right: It’s New York Comic Con.

These Playful Infographics Teach Toddlers About the World

Shaunacy Ferro

Pop Chart Lab is now making hip posters for the little ones, too.

10 Thirst-Quenching Facts About Gatorade

Andrew LaSane

The sports drink has been around for half a century and is now sold in over 80 countries, but how much do you know about the drink that changed sport culture and the way we treat dehydration?

Lil Bub is Dropping Her First Album

Rebecca OConnell

'Science & Magic' is slated to drop December 4.

A Slowed-Down Windows XP Start-Up Sound Becomes Oddly Eerie

Mental Floss UK

This would certainly slow down your morning routine.

Sculptures and Bowls Made With Recycled Keys and Coins

Rebecca OConnell

Using keys, coins, and sometimes bottle caps, this artist makes unique soldered sculptures.

When Orcas Helped Hunters Kill Other Whales

Shaunacy Ferro

A dark tale of human-whale cooperation.

Beautiful Electricity Pylons That Look Like Metallic Nomads

Mental Floss UK

These pylons were designed to complement Iceland's volcanic landscape, but they never made it off the drawing board.

Scientists Are Trying to Save Historic Trees By Cloning Them

Anna Green

They're preserving iconic trees for future generations.

6 Times the World Was Supposed to End in the Past Decade

Nick Greene

According members of the eBible Fellowship, a Pennsylvania-based online religious sect, the world will end on October 7, 2015 (that's today, for those who don't have a calendar handy).

What's Wrong With This Stamp?

Stacy Conradt

Look closely.

What Happens to Your Brain When You Black Out?

This Year, Print Out Your Halloween Costume

Rebecca OConnell

This Halloween, stand out from the crowd with a geometric animal mask.

17 Wondrous Facts About 'That Thing You Do!'

Roger Cormier

The Oscar-nominated film—written, directed by, and starring Tom Hanks—features one of cinema's great earworms.

Why Can’t We Feel the Earth Spinning?

Caitlin Schneider

Kids ask a lot of questions. mental_floss has answers. Here's the next story in WHY?, our new science-based series for kids (and parents!).