THE KNOWLEDGE FEED

The infinity sign is properly known as a "lemniscate."

The infinity sign is properly known as a "lemniscate."

5 Questions: Turn the Page

Questions:5
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Pass rate:75 %
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Antarctica gets very little snow, so why is there snow on the ground? Because the snow that does fall on the continent never melts.

Antarctica gets very little snow, so why is there snow on the ground? Because the snow that does fall on the continent never melts.

5 Questions: Look for the "Union" Label

Questions:5
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Brain Game: Anticipatory

Sandy Wood

5 Questions: They're Really Just Rocks

Questions:5
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Pass rate:75 %
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The first cellular phone measured 9" x 5" and weighed 2.5 lbs. It was developed by Dr. Martin Cooper, who worked for Motorola.

The first cellular phone measured 9" x 5" and weighed 2.5 lbs. It was developed by Dr. Martin Cooper, who worked for Motorola.

5 Questions: <em>Relay</em> Race

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A sardine is not a species of fish, but a name that can apply to many small varieties of pickled fish, including herring and pilchard.

A sardine is not a species of fish, but a name that can apply to many small varieties of pickled fish, including herring and pilchard.

The Wailers Quiz

Questions:10
Available:Always
Pass rate:75 %
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Bob Marley's backing band, The Wailers, continue to tour worldwide to much acclaim and success. Take this quiz and find out how well you know this group that continues to share his music with the world.

For those of you in the Birmingham, AL area, this quiz is part of our Smart Car Giveaway. You'll find out where the smart® car is hiding at the end of the quiz.

The Pony Express only lasted a single year before the transcontinental telegraph made the route obsolete.

The Pony Express only lasted a single year before the transcontinental telegraph made the route obsolete.

Name Led Zeppelin's Albums

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Between 1969 and 1982, Led Zeppelin put out nine studio albums. Can you name them all in three minutes?

Quiz: Troy McClure Film or Actual Terrible Movie?

Questions:11
Available:Always
Pass rate:75 %
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You may remember him from such hits as Christmas Ape and Christmas Ape Goes to Summer Camp, but how well do you remember Troy McClure’s other projects? Can you tell which of the following titles come from the filmography of Springfield’s favorite screen icon and which are the real-life dregs of IMDb?

Picky linguists will tell you that the feminine version of "dude" is "dudine," not "dudette."

Picky linguists will tell you that the feminine version of "dude" is "dudine," not "dudette."

Name the Best-Selling Albums of the 1980s

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Available:Always
Pass rate:75 %
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How many of the top 10 best-selling albums (U.S. sales) of the 1980s can you name in three minutes? We recommend putting on your local '80s station for mood music (and possibly hints).

Our list is based on RIAA certification for albums released between 1980 and 1989, so even though lots of people bought 1979's The Wall in the '80s, it doesn't count. We're also not counting greatest hits collections or live albums, and you only need to type the name of the album. Good luck!

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