THE KNOWLEDGE FEED

The little bump on the front side of your ear is called a tragus.

The little bump on the front side of your ear is called a tragus.

Even Fidel Castro lashed out against New Coke, calling it "a sign of American capitalist decadence."

Even Fidel Castro lashed out against New Coke, calling it "a sign of American capitalist decadence."

America's Largest Cities A to Z

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The new 2010 U.S. Census results are a treasure trove of trivia. In today's mentalfloss.com Lunchtime Quiz, you'll have ten minutes to name the most populous U.S. cities (not metro areas) beginning with each of the 26 letters of the English alphabet. A score of half (13) or better is a winner, and the clock starts when you key in your first entry.

NOTE: Capitalization is unnecessary, but spelling does count. Good luck!

Slogans of the '90s

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How powerful can advertising be? Let's put those catchy slogans to the test. Can you identify the product from an ad campaign either introduced or used primarily in the 1990s?

5 Questions: Patterned Behavior

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James Dolan, CEO of Cablevision and owner of the New York Knicks and the New York Rangers, also fronts the blues band JD and the Straight Shot.

James Dolan, CEO of Cablevision and owner of the New York Knicks and the New York Rangers, also fronts the blues band JD and the Straight Shot.

5 Questions: Grandparental Guidance

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5 Questions: Stronger than Dirt

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A flu outbreak canceled the 1919 Stanley Cup when too many players were too ill to play past the fifth game.

A flu outbreak canceled the 1919 Stanley Cup when too many players were too ill to play past the fifth game.

The original name for the starship in <em>Star Trek</em> was "Yorktown," not "Enterprise".

The original name for the starship in Star Trek was "Yorktown," not "Enterprise".

5 Questions: "Parker" Bench

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5 Questions: Halloween Characters

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In Paris, there are more dogs than there are children, and they seem to be treated with equal amounts of pampering. Collectively, Parisians spend nearly $500,000 every day on health and grooming for their pets.

In Paris, there are more dogs than there are children, and they seem to be treated with equal amounts of pampering. Collectively, Parisians spend nearly $500,000 every day on health and grooming for their pets.

Diamonds are actually unstable at surface temperature and pressure. Every diamond above ground is very, very slowly altering into graphite, another form of pure carbon.

Diamonds are actually unstable at surface temperature and pressure. Every diamond above ground is very, very slowly altering into graphite, another form of pure carbon.

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