THE KNOWLEDGE FEED

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America's Quick Rise From Pizza-Ignorant to Pizza-Obsessed

Nick Greene

In twelve years, pizza went from intriguing foreign dish to American cultural staple.

Secret Pizza Party! (or How to Write the Best Kids' Book)

Mangesh Hattikudur

Secret #1: Get your narrator in cahoots with the reader.

Want Pizza...from Your Toaster?

Chris Higgins

This 1999 commercial takes pizza too far.

Rose Totino, Patron Genius of Frozen Pizza

Linda Rodriguez McRobbie

Say a thanks for Rose. Frozen pizza used to taste terrible. Then this sweetly badass nonna fixed it.

The Chuck E. Cheese/ShowBiz Pizza Robot Wars

Anna Green

Before Chuck E. Cheese was officially a mouse, he was a rat. And the backstabbing around him was epic.

What Did I Just Watch? Sea Star Attacks Explained

Kate Horowitz

They look so mellow, but they're pretty ruthless hunters.

10 Ridged Facts About Acrocanthosaurus

Mark Mancini

This intimidating predator would look great on the big screen. Ahem, Steven Spielberg...

Communicate With Others Through a Thought-Controlled Robot

Sonia Weiser

Watch a Swirling Vortex on the Texas-Oklahoma Border

Caitlin Schneider

Record-breaking rainfall has caused historic water levels in Lake Texoma, so authorities have decided to drain it, causing swirling whirlpool that looks like something out of a movie.

Who Invented Deep Dish Pizza?

Rebecca OConnell

"It's an enigma, wrapped in a pie crust. Every day, it feels a little more lost to history," -Jeff Ruby, co-author of Everybody Loves Pizza.

6 Famous Jingles by Barry Manilow

Stacy Conradt

Even if you're not a Fanilow, you've almost certainly gotten some of Barry Manilow's handiwork stuck in your head.

Realtime Photo Gallery Lets You Keep Up With This Week's Northern Lights

Caitlin Schneider

Massive solar storms caused a rare Northern Lights show that could be seen as far south as Texas.

Britain is Getting a Grilled Cheese Subscription Service

Hayley Harding

British grilled cheese lovers rejoice: Soon, you may need to go no further than your mailbox for a delicious sandwich.

Everything Pizza: 17 of Earth’s Most Delicious Pies

Rachel Semigran

From Philly to South Korea, these are the best pizza pies in the world. (One includes reindeer as a topping...yum?)

Watch How Baby Name Popularity Changes Over Time

Hannah Keyser

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