THE KNOWLEDGE FEED

Only one McDonald’s in the world has turquoise arches. Officials in Sedona, Arizona, thought that yellow would clash with the natural red rock.

Only one McDonald’s in the world has turquoise arches. Officials in Sedona, Arizona, thought that yellow would clash with the natural red rock.

5 Questions: Go-Go-rilla

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The Eiffel Tower in Paris, France, leans slightly toward the shade on sunny days!

The Eiffel Tower in Paris, France, leans slightly toward the shade on sunny days!

5 Questions: TV J's

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The Top 25 U.S. Magazines

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You've got five minutes to name all the 25 highest-circulation U.S. magazines you can. We're only focusing on regular retail magazines, not freebies like AARP Magazine or The Costco Connection. Each of these magazines has a U.S. circulation of at least 2 million as of early 2012. A score of 8 or better is a win. Good luck!

5 Questions: Rockin' the "Croc"s

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5 Questions: Civil War States

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Sulfuric Acid is the most produced chemical in the U.S.

Sulfuric Acid is the most produced chemical in the U.S.

5 Questions: Happy Father's Day

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5 Questions: Crow Quiz

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5 Questions: We Call 'Tails'

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Everyone knows that "Yesterday" is one of the most covered songs of all time (with over three thousand official covers). Its original title was "Scrambled Eggs."

Everyone knows that "Yesterday" is one of the most covered songs of all time (with over three thousand official covers). Its original title was "Scrambled Eggs."

One way lima beans defend themselves is by emitting a chemical warning system against spider mites (which eat lima beans) that attracts predators of spider mites.

One way lima beans defend themselves is by emitting a chemical warning system against spider mites (which eat lima beans) that attracts predators of spider mites.

5 Questions: The "Quick" Quiz

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Morning Cup of Links: Hollywood Couples

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