THE KNOWLEDGE FEED

Obsessive nose picking is called rhinotillexomania.

Obsessive nose picking is called rhinotillexomania.

5 Questions: Down at the Junction

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5 Questions: Archery

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Thomas Edison had five dots (like you see on dice) tattooed onto his left forearm.

Thomas Edison had five dots (like you see on dice) tattooed onto his left forearm.

5 Questions: Mini Business

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Name the Last 15 Coaches to Win a Super Bowl

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In the last 20 years, 15 different head coaches have hoisted the Vince Lombardi Trophy. How many can you name in 3 minutes? (If the answers don't appear for you at the end, click here.)

The 2 billion-year-old Star of India, which at 563.35 carats is the largest star sapphire in the world, is actually from Sri Lanka.

The 2 billion-year-old Star of India, which at 563.35 carats is the largest star sapphire in the world, is actually from Sri Lanka.

The first NHL team to use artificial ice wasn't a warm-weather franchise; it was the Toronto Arenas (now the Maple Leafs) in 1917.

The first NHL team to use artificial ice wasn't a warm-weather franchise; it was the Toronto Arenas (now the Maple Leafs) in 1917.

5 Questions: Do You Have the Magic "Touch"?

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5 Questions: Star Light, Star Bright

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The antennae sticking out the head of a snail aren't feelers; a snail's eyes are located at the tips of those long stalks.

The antennae sticking out the head of a snail aren't feelers; a snail's eyes are located at the tips of those long stalks.

Listen to the Band

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Here's a collection of 20 musical instruments, most of which are not part of your typical orchestra. Can you identify each of them as being a member of the brass family, percussion family, string family, or woodwind family? Good luck!

Bruce Springsteen and the E Street Band played at the legendary Grand Ole Opry in April 1976. He stopped by a local record store earlier that day and only one person recognized him.

Bruce Springsteen and the E Street Band played at the legendary Grand Ole Opry in April 1976. He stopped by a local record store earlier that day and only one person recognized him.

5 Questions: Back Talk

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Name the UN Security Council

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The United Nations Security Council is made up of five permanent member nations and ten non-permanent members. How many of those 15 countries can you name in three minutes? (Note: We posted this quiz on September 23, 2009. If you've stumbled upon this page after December 31st of this year, don't bother.)

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