THE KNOWLEDGE FEED

How Mister Rogers Saved the VCR

Bill DeMain

A look back at the "Betamax Case," including the role Mister Rogers played in the Supreme Court's decision.

Name Baseball's 90 Percent Club

Questions:1
Available:Always
Pass rate:75 %
Backwards navigation:Forbidden

Famously, no baseball player has made the Hall of Fame with 100 percent of the Baseball Writers Association of America vote. But 27 players have come close by getting more than 90 percent. Can you name the members of the Hall of Fame's 90 percent club in 10 minutes? Last names are fine

Hint: it's spelled Yastrzemski.

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.

5 Questions: Shirt Tales 1: Pocket

Questions:5
Available:Always
Pass rate:75 %
Backwards navigation:Forbidden

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.

Pages