THE KNOWLEDGE FEED

5 Questions: Who Was Born First?

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5 Questions: Zip!

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Grumpy Cat's lawyer also represents the intellectual property rights of Mike Tyson's face tattoo.

Grumpy Cat's lawyer also represents the intellectual property rights of Mike Tyson's face tattoo.

5 Questions: Super Bowl Quiz

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5 Questions: RIP John Paul Getty III

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Brain Game: Thirsty?

Sandy Wood

5 Questions: No Hope or Charity

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Real or Onion?

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Gelf Magazine founder and mental_floss contributor David Goldenberg has teamed up with The Onion to put out an iPhone app. In "Real or Onion?" you have to determine whether headlines are from actual news outlets or The Onion. Give it a try in today's quiz, then go download the iPhone version!

Descartes was attracted to cross-eyed women.

Descartes was attracted to cross-eyed women.

5 Questions: Va-"Moose"

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5 Questions: Heavy Metals

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The Riddler from <em>Batman</em> has a real name: Edward Nigma (that would be E. Nigma).

The Riddler from Batman has a real name: Edward Nigma (that would be E. Nigma).

5 Questions: RIP Tom Bosley

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President James Garfield could write Greek with one hand while simultaneously writing Latin with the other.

President James Garfield could write Greek with one hand while simultaneously writing Latin with the other.

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