THE KNOWLEDGE FEED

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Why Do People Say "Holy Mackerel"?

Stacy Conradt

Stephanie and her curious two-year-old want to know why we sometimes say “Holy Mackerel!” Unfortunately, the answer is about as clear as the tomato sauce Brits like to douse the fish

Why Is Pink Lemonade Pink?

Matt Soniak

Reader Michael Lefebvre asked us on Twitter: "What is the origin of Pink

Is Sebastian from The Little Mermaid a Crab or a Lobster?

Stacy Conradt

Reader Ashley asks: "Is Sebastian from Disney's The Little Mermaid a crab or a

How Involved Was Mitt Romney in the Founding of Staples?

Matt Soniak

Image credit: JONATHAN ERNST/Reuters/Landov In every debate this campaign season, Mitt Romney has been hammered by his Republican rivals for essentially teaching companies how to ship jobs oversea

Do Other Animals Laugh When Tickled?

Matt Soniak

Bizarre Image of Man Tickling Chimp via ShutterstockIn 1897, psychologists established that there are two kinds of tickles.

Does Sitting on a Big Exercise Ball at Your Desk Actually Do Anything?

Matt Soniak

A few years ago, the Swiss ball migrated from the gym to the office en masse.

Robot Pets Cat; Cat is Not Amused

Chris Higgins

You know it's officially The Future when a human-like robot (the NAO) is able to pet (well, brush, actually) a cat via a complex hack involving a treadmill, Kinect, Wii, and Head-Mounted Display

Scrabble's Teacher: Not so bright?

David K. Israel

One of the reasons why I like the Scrabble app better than Words With Friends is that it has that wide-smiling Teacher.

What's the Difference Between Ketchup and Catsup?

Matt Soniak

Ketchup and catsup are simply two different spellings for the same thing, a modern, Westernized version of a condiment that European traders were introduced to while visiting the Far East in the late

How Do Magic Eye Pictures Work?

Matt Soniak

Magic Eye's granddaddy was the random dot stereogram invented by neuroscientist and psychologist Bela Julesz in 1959 to test people’s ability to see in 3D.

How Does China Enforce Its One-Baby Policy?

Matt Soniak

© Roy Hsu/Blend Images/CorbisMost people have heard that in China, you're only allowed to have one kid. But does that apply to everyone?

Why Do Dogs Walk in a Circle Before Lying Down?

Matt Soniak

The circling thing is a relic of domestic dogs' wild past, a bit of hard-wired behavior that hasn't been bred out yet.

8 Heroic U.S. Military Chaplains

Miss Cellania

While researching the post 10 Heroic Battlefield Medics, I came across a couple of fascinating stories about military chaplains and their wartime exploits.

Lectures for a New Year: Parrots, the Universe, and Everything

Chris Higgins

Today I've got a doozy of a lecture for you.

If You Have Any Questions, Now's a Good Time to Ask

Jason English

We're going to do something different today. Special different. Our latest issue — "The Most Important Questions of 2012" — is now on newsstands and in mailboxes.

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