THE KNOWLEDGE FEED

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19 Videos That Make Learning Fun

Andréa Fernandes

Labor Day generally marks the end of summer and the start of a new school year.

The Missing Links: Just Say No to the Squirt Gun Flamethrower

Colin Patrick

The Arm of the Law Really Is Quite Long It reaches five decades backward in time. And all for a lousy dime. * Squirt Gun Flamethrower Just Sounds Like a Bad Idea An awesome idea.

How Secure Are Electronic Voting Machines?

Ethan Trex

It’s not that the machines have slight security glitches. It’s more that they’re almost comically hacker-friendly. Take the touchscreen Diebold Accuvote system.

Where Did the Name "Teamsters" Come From?

Kara Kovalchik

The name dates back to 1903, when most deliveries were made by horse-drawn wagons.

Brain Game: Math Square #136

Happy Labor Day!

Morning Cup of Links: Labor Day Distractions

Miss Cellania

The first ever Cat Video Festival was held Thursday in Minneapolis.

Breaking Not-So-Bad: Would Skyler End Up in Jail?

Jill Harness

[Note: This post was written before last night's episode, so if you haven't seen it yet, there are no spoilers.

World War I Centennial: France Lays Out the Best-Case Scenario

Erik Sass

Installment #34: By September 1912, Europe was divided into two alliance blocs, knit together by treaties both secret and public: on one side there was the alliance between France and Russia, which wa

Weekend Links: How Many Words Do You Know?

Allison Keene

How many words do you know? I missed one at the very end, curses!

Survivorman Returns

Chris Higgins

Image courtesy of Discovery Channel. I'm a big fan of Les Stroud, better known as Survivorman.

A Brief History of the Jerry Lewis Telethon

Eddie Deezen

The National Muscular Dystrophy Association announced that in 2011, for the first time since 1966, Jerry Lewis would not be headlining the annual MDA Telethon for "Jerry's Kids." After

Last Week's Most Popular Stories

Jason English

In case you weren't obsessively refreshing mentalfloss.com all week, here's what you

The Guy Who Spent His Summer Helping Strangers From the Internet

Jill Harness

What did you do this summer? Now, what would you have done if you had unlimited airline miles and no job to tie you down?

The Voice of Winnie the Pooh Calls Sick Kids in Character

Jason English

Here's your feel-good fact for today: Jim Cummings, the voice of Winnie the Pooh, calls sick kids in hospitals and chats with them in character. From

Why Do Tomatoes Change Color as They Ripen?

Brian McMahon

Tomatoes contain two pigments for photosynthesis—chlorophyll, which is green, and lycopene, which is red.

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