THE KNOWLEDGE FEED

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Scientists Create 3D Laser Holograms That Are Safe To Touch

Hannah Keyser

13 Early Criticisms, Doubts, and Disses About the iPhone

Nick Greene

Most technology experts knew the iPhone was going to be a hit—here are some who didn't.

The Missing Links: The Tape Measure Master

Colin Patrick

What Happens When Your Mind’s Eye Goes Blind?

Roma Panganiban

Though it has long been considered a given that all humans possess the capacity for visual imagination, recent research suggests that's not true.

'Feeling No Pain' Is Really Bad For You—and It's Genetic

Yael L. Maxwell

A new study finds more genetic mutations that explain chronic insensitivity to pain.

10 Confessions of Car Salesmen

Jessica Hullinger the mag

It may look like a world of balloons and bad tweed. But making a living on the lot is anything but a Sunday drive.

10 Houses Painted in Protest

Virginia C McGuire

Spiteful paint jobs are a common way for people to get back at strict city ordinances, historical commissions, homeowners' associations, bigoted neighbors and even banks.

A Costa Rican Hotel Made From a Converted Boeing 727 Airplane

Rebecca OConnell

Nestled in the tropical rainforest of Costa Rica is a 1965 Boeing 727 that tourists can actually sleep in.

Name the Current U.S. Supreme Court Justices

Take the quiz!

Watch Fireworks Like an Expert This Weekend

Elephants Observed Yawning for the First Time

Shaunacy Ferro

But we still don't know if their yawns are contagious.

13 Comedies With Humorous Scenes After the End Credits

Colin Patrick

In some comedies, the funny business doesn’t end with “The End.”

A Latte Art Printer Takes the Work Out of Latte Art

Sonia Weiser

It takes thousands of tries to finally be able to pour out a beautiful rosetta on a cappuccino, and thousands more to reach the peak of Instagram latte art perfection.

Hidden Monet Discovered Behind Another Drawing

Shaunacy Ferro

A rare pastel by a young Claude Monet was found taped behind another pastel.

Arnold: The Watch that Conquered London

the mag Linda Rodriguez McRobbie

In 19th-century England, the right time was money.

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