THE KNOWLEDGE FEED

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Brain Game: Flay Play

It's Think Thursday once again at the mentalfloss.com Brain Game, and today's puzzle may require some noggin effort (and a scratch pad).

Morning Cup of Links: Pizza Delivery

Miss Cellania

The 3 Big Advances in the Technology of the Pizza Box. If you ever wondered what they put pizzas in before the box was invented, you'll find out in this article from The Atlantic.

The Late Movies: Rilo Kiley Have Broken Up

Chris Higgins

When news broke last week that Rilo Kiley, one of my favorite bands, had broken up, I knew it was my responsibility to introduce my fellow nerds to their music.

McDonald's Menu Items From Around The World

David K. Israel

Knowing _flossers like I do, many if not most of you have experienced McDonald's outside the U.S. because, hey, you like to travel and see the world, right?

How the Original Donruss Rated Rookies Turned Out

Scott Allen

In 1984, Donruss released what some collectors consider one of the greatest baseball card sets of all time.

History of Hip Hop (Part 2)

Chris Higgins

In late 2010, Justin Timberlake and Jimmy Fallon performed a medley of hip-hop songs starting with Sugar Hill Gang and ending with Jay-Z and Alicia Keys.

The Number of the Day: 18%

Jason English

According to the 2011 GMAC Insurance National Drivers Test, 36.9 million American drivers—18%—couldn't pass the written drivers test today. Related Fact: Kansas had the highest average score (

Amazing Pictures of Magnified Beach Sand

Jill Harness

I always knew there were a wide variety of sands, and that they were all made from worn down shells and rocks.

Color Photos of London From World War II

Jason English

Yesterday was the 70th anniversary of the launch of Winston Churchill's WWII "V for Victory" campaign. To mark the occasion, LIFE.com gathered up color photos taken in London during the

Why Are Gossipy Newspapers Called "Tabloids"?

Haley Sweetland Edwards

While the sensational fall of Rupert Murdoch’s media empire is chronicled this week by media outlets everywhere, we thought we’d get to the bottom of a less sensational question: Why are gossipy newsp

Brain Game: LLBBCK

Today's Wednesday Wordplay puzzle is a new set of entries in a popular challenge we ran on the mentalfloss.com Brain Game back in March.

Morning Cup of Links: Victorian Underwear

Miss Cellania

Phillip Mendonça-Vieira accidentally found himself in the possession of 12,000 screenshots of the New York Times homepage, which he arranged into a video for your perusal.

European Ghost Towns

Jill Harness

Boots N' All has a great article featuring 8 ghost towns—not in the Old West, but in Europe. The photos are stunning and the stories of how the locations became abandoned are always interesting.

The Late Movies: Soap Opera Product Placement

Erica Palan

It ain't easy being a soap opera in 2011.

At the Libraries: Librarian-Themed Birthday Parties

Miss Kathleen

Each week Miss Kathleen provides links to a variety of stories about libraries, authors, and books.

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