THE KNOWLEDGE FEED

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The Quick 10: The Hollywood Walk of Fame

Stacy Conradt

The Hollywood Walk of Fame celebrates its 50-year anniversary this week.

The Origin of Traffic Lights

In the Beginning

Editor's Note: Reader Andrea recently asked if we could cover the history of traffic lights. Here's what we had in the archives.

Inside the World of Fan Fiction

Linda Rodriguez McRobbie

Fan fiction—that is, fiction that uses an existing universe created by another author and expands (or pirates) it—has literally been around for centuries.

Jamie Lee Curtis on Turning Off the Juice

Chris Higgins

Here's a short clip featuring Jamie Lee Curtis, in which she describes a 25-hour power outage during a family vacation in Idaho.

Dogs Beat The Gym

Jill Harness

If you're looking to lose some weight this year, consider spending some extra cash on adopting a new dog rather than getting a gym membership.

5 Outrageous Alarm Clocks

David K. Israel

These days, my alarm clock is my 2 ½ year old son. But I remember the days of beeps, radios and snooze buttons like it was, well, 10 minutes ago.

The Future of Building Materials

Miss Cellania

My home expansion was completed enough to move into in December, which was none too soon for me.

Brain Game: Math Square #11

The nine white squares inside the main red grid should be filled with the digits 1 through 9. Each digit should appear only once in this main grid. Two of these numbers are already provided for you.

The Land Where Old English Survives

Ransom Riggs

No, I'm not talking about inexpensive malt liquor -- that land would've been my high school.

Morning Cup of Links: A Talking Fish!

Miss Cellania

Economic inequality in the free market system holds everyone back because of inefficiency, according to economist Samuel Bowles.

The Weekend Links: Sunday Edition

Allison Keene

Round two starts off with a plethora of crazy computer accessories. Actually that mitten doesn't seem so crazy to me ...

The Tonight Show With Conan O'Brien -- Two Weeks Later

Jason English

It's been two weeks since Conan's final Tonight Show.

This Week's Most Popular Stories

Jason English

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

The Weekend Links: Saturday Edition

Allison Keene

In plenty of places this weekend, you guys are getting lots of rain and snow. So stay in and watch a classic movie ... for free!

Lunchtime Quiz Leftovers

Jason English

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