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THE KNOWLEDGE FEED

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Why Does it Rain?

Jordan Rosenfeld

With clouds, gravity pulls the water droplets out of the sky, and they fall as rain.

Take a Look Inside the Store Where Famous Athletes Got Their Shoes

Andrew LaSane

Because of their wide selection of men's footwear in above average sizes, Friedman's Shoes became a mandatory stop for athletes like Mike Tyson and Shaquille O'Neal.

Multicolored Cats Might Be More Aggressive Than Other Cats, Study Finds

Shaunacy Ferro

"Tortitude" is real.

32 Words for Positive Phenomena That Don’t Have an English Equivalent

Shaunacy Ferro

Why don’t we have a word for when you sneak a taste of food when you think no one’s watching?

The Missing Links: Descending a 900-Foot-Tall Structure

Colin Patrick

The Most Popular Grocery Store in Every State

Name the Foods the Very Hungry Caterpillar Eats

Take the quiz!

Teeth and Bones from Ancient Rome Hold Clues to Migration and Slavery

Kristina Killgrove

Bioarchaeologist Kristina Killgrove writes for mental_floss about her research on skeletons from Rome, just published today.

6 Bad Habits That Are Holding You Back at Work

Sara Morrow

Want to Move to Europe? Here Are the Happiest Cities

Shaunacy Ferro

Looking good, Vilnius, Lithuania!

Designer Uses Music Vibrations to Add Cool Patterns to 3D-Printed Ceramics

Andrew LaSane

The sound from the speaker affects how the printer creates each layer of clay.

This Kickstarter Invention is a Night Light For Your Toilet

Andrew LaSane

The soft lighting helps guide sleepy users to the bowl.

The Surprisingly Cool History of Ice

Linda Rodriguez McRobbie the mag

Until two centuries ago, ice was just an unfortunate side effect of winter. But in the early 1800s, one man saw dollar signs in frozen ponds.

10 Things You Didn’t Know About Self-Driving Cars

Alyssa Oursler

The technology is bringing back age-old ethical debates.

What Happens to Films Selected for Preservation by the Library of Congress?

Nick Keppler

When Congress asks for 'Ghostbusters' to be preserved, only the best will do.

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