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THE KNOWLEDGE FEED

Why Do We Scream "Geronimo" When Jumping From Things?

Matt Soniak

© Bettmann/CORBIS??In the early 1940s, the United States Army was testing the idea of parachuting from planes as a way of deploying troops.

Brain Game: High Places

Today's mentalfloss.com Brain Game offers a new Tuesday Test Time challenge that'll have you looking up (or thinking up, anyway). Hopefully, the air's not too thin.

Morning Cup of Links: TV Ups & Downs

Miss Cellania

The 13 Most Useless Majors.

Amazing Photos of Ants Being Awesome

Jill Harness

It can be a challenge to get insects to look like majestic, beautiful creatures given how much most humans can't stand anything with six legs, but as previously featured photographers Ondrej Paka

5 Questions: Members of the Clergy

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7 Ways the Internet Has Been Used for Good

Jill Harness

It seems like every day you hear a new story about cyber-bullying, phishing or a new computer virus. But when good people get together on the web, it’s amazing what they can achieve. 1. Preventing

What is an Adam's Apple?

Matt Soniak

Adam's apple photo via ShutterstockTouch your fingers to the front of your throat and start humming. Feel around until you can feel vibration directly under your fingers.

8 More Regular People Who Became Internet Memes

Adrienne Crezo

Last month we introduced you to nine real people whose pictures have become famous on the internet. Now meet eight more! 1. Ridiculously Photogenic

The Man Who Gave Up Money

Chris Higgins

In 2000, Daniel Suelo opted out of the cash economy. For the past dozen years, he hasn't used money, hasn't paid taxes, and hasn't used government financial assistance services.

Official State Beverages

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A little more than half the states have gotten around to naming an official state beverage. From Kool-Aid to cranberry juice to plain old water, can you tell which state has chosen each drink?

How a Fish Tells His Friends That He's Been Injured

Jill Harness

It took 70 years, but scientists have finally discovered how an injured fish notifies his peers when he is hurt, giving them the signal to bolt.

The Apple Puzzle

David K. Israel

With only four cuts, you can turn any apple into a cool (albeit nerdy) puzzle.

Brain Game: Math Square #119

Have at it with a brand-new Monday Math Square to jump-start this week's quintet of mentalfloss.com Brain Games.

Morning Cup of Links: Ye Olde Links

Miss Cellania

A new poll of America's favorite cities shows the Pacific Northwest has a great reputation, with cities #one and #two.

5 Questions: Try to Contain Yourself

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