THE KNOWLEDGE FEED

At certain points during a baseball pitcher’s delivery, the pitcher’s arm is rotating at approximately 7,000 degrees per second—the equivalent of rotating your arm all the way around 70,000 times an hour.

At certain points during a baseball pitcher’s delivery, the pitcher’s arm is rotating at approximately 7,000 degrees per second—the equivalent of rotating your arm all the way around 70,000 times an hour.

You can actually get nicotine poisoning from absorbing the chemical through your skin (from wet tobacco leaves). The phenomenon is called Green Tobacco Sickness (GTS).

You can actually get nicotine poisoning from absorbing the chemical through your skin (from wet tobacco leaves). The phenomenon is called Green Tobacco Sickness (GTS).

In Argentina, you can get your caffeine fix with yerba maté. Made from dried holly leaves, the beverage stimulant is so popular that the average Argentine drinks 11 pounds of the stuff a year.

In Argentina, you can get your caffeine fix with yerba maté. Made from dried holly leaves, the beverage stimulant is so popular that the average Argentine drinks 11 pounds of the stuff a year. 

Who Said It: Jack Kennedy or Jack Donaghy?

Questions:8
Available:Always
Pass rate:75 %
Backwards navigation:Forbidden

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.?

Track Listing: Numerical Edition

Questions:10
Available:Always
Pass rate:75 %
Backwards navigation:Forbidden

I'm throwing another party and need help with my playlist, which is numerically themed this time. I'll give you snippets of lyrics from a song that refer to a number -- it's up to you to put them in numerical order.

And remember, I'm looking for the number referred to in the lyric, which may not be the same as one in the title of the song. So if a lyric hypothetically refers to the number 4, that's the number you want to use.

The first rhinoplasty was performed in India around the 5th century CE. It involved a creeper vine leaf, a hunk of flesh sliced off of the patient’s cheek, and two small pipes to serve as nostrils. The procedure was wildly popular—albeit involuntary.

The first rhinoplasty was performed in India around the 5th century CE. It involved a creeper vine leaf, a hunk of flesh sliced off of the patient’s cheek, and two small pipes to serve as nostrils. The procedure was wildly popular—albeit involuntary. At the time, Hindu law decreed that the schnozzes be sliced off all adulterers and—human nature being what it is—that turned out to include an awful lot of people.

Despite the title of his song “Für Elise,” Beethoven didn’t even know an Elise, at least according to most historians. Beethoven had hideous handwriting—to the point that some scholars speculate the song was actually written “for Therese,” on

Despite the title of his song “Für Elise,” Beethoven didn’t even know an Elise, at least according to most historians. Beethoven had hideous handwriting—to the point that some scholars speculate the song was actually written “for Therese,” one of several women who turned down a marriage proposal from the notoriously lovesick maestro.

<em>Gadsby</em> is a 1939 novel by Ernest Vincent Wright with over 50,000 words, and not a single word contains the letter "E."

Gadsby is a 1939 novel by Ernest Vincent Wright with over 50,000 words, and not a single word contains the letter "E."

5 Questions: Cinco acerca de Uno

Questions:5
Available:Always
Pass rate:75 %
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5 Questions: Nom Nom Nom

Questions:5
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Pass rate:75 %
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5 Questions: I'm Super, Thanks for Asking

Questions:5
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Pass rate:75 %
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5 Questions: Cha-cha-cha

Questions:5
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Pass rate:75 %
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Brain Game: Ha Ha Ha

Sandy Wood

5 Questions: You, Too?

Questions:5
Available:Always
Pass rate:75 %
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5 Questions: Happy Presidents Day!

Questions:5
Available:Always
Pass rate:75 %
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