THE KNOWLEDGE FEED

Platform shoes didn’t just look ridiculous in the 1970s; they looked equally silly in 15th-century Europe when they were known as "chopines." The fashionable footwear was so toweringly high (up to 30 inches!) that ladies couldn’t walk around in them f

Platform shoes didn’t just look ridiculous in the 1970s; they looked equally silly in 15th-century Europe when they were known as "chopines." The fashionable footwear was so toweringly high (up to 30 inches!) that ladies couldn’t walk around in them for fear of falling.

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!

1904 Olympic marathon champ Thomas Hicks used an odd sports drink: a mix of brandy and strychnine.

1904 Olympic marathon champ Thomas Hicks used an odd sports drink: a mix of brandy and strychnine.

In the 1940s, Pepsi adopted a red, white, and blue logo to support America’s war effort.

In the 1940s, Pepsi adopted a red, white, and blue logo to support America’s war effort.

Ernest Hemingway: The Quiz

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Legendary author Ernest Hemingway died 50 years ago. Test your knowledge of his alcoholic, meat-devouring ways. (And then check out Marty Beckerman’s The Heming Way: How to Unleash the Booze-Inhaling, Animal-Slaughtering, War-Glorifying, Hairy-Chested, Retro-Sexual Legend Within... Just Like Papa!)

Twinkies originally had banana-flavored filling, but switched to vanilla when WWII brought the banana trade to a halt.

Twinkies originally had banana-flavored filling, but switched to vanilla when WWII brought the banana trade to a halt.

Who Said It: Jack Kennedy or Jack Donaghy?

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Can you tell the difference between the former fictional VP of East Coast Television and Microwave Oven Programming for NBC/General Electric and the 35th President of the U.S.?

5 Questions: Does This Make You Randy?

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The musical <em>Cats</em> was based on a book of poems by T.S. Eliot titled <em>Old Possum's Book of Practical Cats</em>.

The musical Cats was based on a book of poems by T.S. Eliot titled Old Possum's Book of Practical Cats.

Turing, ESPY or Grammy?

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Each of the following people won either a Turing (the Nobel in the computer science world), an ESPY (ESPN's Excellence in Sports Performance Yearly Awards) or a Grammy (National Academy of Recording Arts and Sciences awards for outstanding achievements in the music industry.) Can you figure out which based on the little bit of information given?

5 Questions: Show-Off

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The Soup: The Quiz

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Here at mental_floss headquarters, The Soup is one of our favorite shows. If you call yourself a fan of Joel McHale and his antics, let's see how you do on today's quiz.

5 Questions: The Room

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The Cockroach can live up to two weeks without a head because its "brain" (or control center) is spread throughout its body.

The Cockroach can live up to two weeks without a head because its "brain" (or control center) is spread throughout its body.

On an episode of <em>Saved by the Bell: The College Years</em>, A.C. Slater learned his last name was actually Sanchez. His dad changed it 25 years earlier to get into the military academy. "He felt he had to hide his heritage to be accepted," Albert Clif

On an episode of Saved by the Bell: The College Years, A.C. Slater learned his last name was actually Sanchez. His dad changed it 25 years earlier to get into the military academy. "He felt he had to hide his heritage to be accepted," Albert Clifford explained.

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