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THE KNOWLEDGE FEED

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Tarot Mythology: The Surprising Origins of the World's Most Misunderstood Cards

The meaning of divination cards has changed over time, shaped by each era’s culture and the needs of individual users.

7 Scientific Benefits of Helping Others

Volunteering your time, money, or energy to help others doesn’t just make the world better—it also makes you better.

Watch 'Clarissa Explains It All' Fans Read Their Fan Mail 20 Years Later

Erin McCarthy

One fan, in his letter, talked about the birth of his baby brother; another, who said in her letter that she’d gotten roles in school plays, confesses that that had been a lie.

What Happens When Water Comes in Contact With Your Touchscreen

Michele Debczak

Here's why your phone can be foiled by a drop of sweat.

Everybody Blames Everyone Else For Distracted Walking, Study Finds

Anna Green

Most U.S. adults think distracted walking is an issue—but only 29 percent think they do it themselves.

When a Plane Hit the Empire State Building

Stacy Conradt

It was simply an accident, the terrible result of a confused pilot flying into New York City on a foggy day.

Is Gollum Good or Bad? Outcome of Turkish Court Case Rides on the Answer

Anna Green

A Turkish Court is trying to figure out whether Gollum is good or evil, and the fate of a Turkish doctor hangs in the balance.

Make Your House Smell Like the Inside of a Pringles Can

Rebecca OConnell

While some may opt for flavors like evergreen pine or apple pie, we all know what we really want to smell around the holidays—potato chips.

The 400-Year-Old Hearts Within These Urns Had Heart Disease

Jen Pinkowski

It turned out those heart shapes were meant to be interpreted quite literally: Each urn contained an embalmed human heart.

9 Flowcharts to Help You Navigate the Christmas Season

Miss Cellania

Handy flowcharts to help you make sensitive holiday decisions.

This Rocket Engine Design Would Turn Space Junk Into Propellant

Michele Debczak

The space debris orbiting Earth is a growing problem that requires a creative solution.

How Mind-Controlled Exoskeletons May One Day Help the Paralyzed to Move

Anna Green

Duke University neuroengineer Miguel Nicolelis is trying to build a robot suit that can read your mind.

These Tea Bags Transform into Goldfish in Your Mug

Michele Debczak

Tea drinkers can pull the bag's string to watch their goldfish swim around.

18 Fun Facts About 'The Naked Gun'

Roger Cormier

No, that's not Enrico Pallazzo!

Rare Butterfly Species Named for David Attenborough

Kate Horowitz

Researchers say they were “influenced and inspired” by Attenborough’s documentaries.

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