THE KNOWLEDGE FEED

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2 Text or Not 2 Text

David K. Israel

The average teen sends between 50 and 75 text messages a day. Perhaps more impressive: the top 14% of texting teens send more than 200 texts per day. Now, we've all seen this.

Lectures for a New Year: A Physics Classic from 1960

Chris Higgins

In 1960, University of Toronto physics professors Patterson Hume and Donald Ivey produced a half-hour educational film explaining basic principles of physics.

Brain Game: Math Square #104

Here's the first  mentalfloss.com Brain Game Monday Math Square of 2012. Good luck! The nine white squares inside the main red grid should be filled with the digits 1 through 9.

Morning Cup of Links: Scary Places

Miss Cellania

The 6 Most Mind-Blowing Modern Ghost Towns. Bad planning and way too much ambition add up to some weird and wasteful land use.

Last Week's Most Popular Stories and an Enjoyable Wikipedia Screenshot

Jason English

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

Weekend Links: The Real Downton Abbey

Allison Keene

For history buffs, lovers of costume dramas and really just anyone, "Downton Abbey" returns tonight on PBS!

The Sad Story of Elvis Presley's Senior Prom

Eddie Deezen

In 1953, Elvis Aaron Presley was an 18-year-old senior at Humes High School in Memphis, Tennessee.

Who Wrote the Pledge of Allegiance?

Matt Soniak

Various people had their hands on it, but the credit for the bulk of the pledge goes to Francis Julius Bellamy , a Baptist minister from New York.

Lectures for a New Year: First Week in Review

Chris Higgins

For the month of January I'm bringing you a great lecture every weekday.

Weekend Links: Ornamental Hermits

Allison Keene

Yes the time for fireworks has passed us, but seriously, save this video link from Cindy of fireworks in Iceland, play it on a big screen next year, and that's all you'll need!

25 One-Word Answers to Very Important Questions

Ethan Trex

The cover story for the new issue of mental_floss magazine is The Most Important Questions of 2012.

What Causes Hiccups and Why Does Sugar Cure Them?

Matt Soniak

The cause depends on who you ask. The ancient Greeks thought hiccups were violent emotions erupting from body.

Where Does the Term "Slush Fund" Come From?

Jason English

Reader Jane emailed to ask about the origin of the phrase "slush fund." Lucky for us, Mark Longo answered that one a few years

The Late Movies: Pets with Video Games

Miss Cellania

Humans aren't the only ones who enjoy playing video games. Kitten Playing Duck Hunt Claire was only three months old when she learned to play video games.

18 Offbeat Holidays to Celebrate in January

Laura Turner Garrison

It’s a New Year, which means 12 new months to observe some offbeat, obscure and just plain odd holidays. Like these! January 7th: National Old Rock Day Have you thanked a veteran rock today?

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