THE KNOWLEDGE FEED

The 1984 film <em>Red Dawn</em> was the first to garner a PG-13 rating.

The 1984 film Red Dawn was the first to garner a PG-13 rating.

Frank Sinatra was frustrated with his record company in 1960, so he formed his own label, Reprise Records. Many of his buddies (Dean Martin, Sammy Davis Jr.) released records on Reprise, which is why they often referred to Frank as the Chairman of the Boa

Frank Sinatra was frustrated with his record company in 1960, so he formed his own label, Reprise Records. Many of his buddies (Dean Martin, Sammy Davis Jr.) released records on Reprise, which is why they often referred to Frank as the Chairman of the Board.

5 Questions: Climbing Up

Questions:5
Available:Always
Pass rate:75 %
Backwards navigation:Forbidden

The poinsettia, the red-and-green flower commonly seen in Christmas arrangements, isn't snow-friendly; it's native to sunny Mexico.

The poinsettia, the red-and-green flower commonly seen in Christmas arrangements, isn't snow-friendly; it's native to sunny Mexico.

GAS at STP

Questions:1
Available:Always
Pass rate:75 %
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Here we go, chemistry fans. Most elements are solid at STP (standard temperature & pressure), but 11 of them take the form of gas. Given five minutes, can you name them all? NOTE: Full element name, not symbol, is required.

5 Questions: We're Beginning to "Gel"

Questions:5
Available:Always
Pass rate:75 %
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5 Questions: Twist My Armenia

Questions:5
Available:Always
Pass rate:75 %
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The Judy Blume Quiz

Questions:11
Available:Always
Pass rate:75 %
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For many girls around the world, Judy Blume books served as an introduction to the wonders of womanhood, though many of us did not fully understand the meaning of what we read until years later ("Special spot?" Can you be more specific?)

Let's find out how much you remember about the JB books you might have stolen from your older sister.

In contrast to her rather morbid nickname, "Typhoid Mary" Mallon didn't cause all that much havoc. Only three of the people that she infected perished from the disease.

In contrast to her rather morbid nickname, "Typhoid Mary" Mallon didn't cause all that much havoc. Only three of the people that she infected perished from the disease.

Rogaine and Viagra were discovered by testing potential blood pressure medicines.

Rogaine and Viagra were discovered by testing potential blood pressure medicines.

Morning Cup of Links: Surviving Lightning

Miss Cellania

The Baseball Movie Quiz: Field of Dreams

Questions:9
Available:Always
Pass rate:75 %
Backwards navigation:Forbidden

How much do you know about one of the most beloved baseball films of all time? Take the quiz and find out.

Before aspirin was produced, ailing patients chewed the bark of the white willow tree (from which aspirin is derived) to help alleviate fever and pain.

Before aspirin was produced, ailing patients chewed the bark of the white willow tree (from which aspirin is derived) to help alleviate fever and pain.

With a Little Help from My Floss

Questions:15
Available:Always
Pass rate:75 %
Backwards navigation:Forbidden

Dozens of famous figures appear on the cover of The Beatles' Sgt. Pepper's Lonely Hearts Club Band (including our cover mascot, Albert Einstein, peeking over John Lennon's shoulder). Can you identify all 15 of the faces shown below?

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