THE KNOWLEDGE FEED

Hackysack was invented in 1972 by John Stalberger as a game to help him rehabilitate his knee after a football injury.

Hackysack was invented in 1972 by John Stalberger as a game to help him rehabilitate his knee after a football injury.

Name the Songs on "Use Your Illusion II"

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Guns N' Roses released Use Your Illusion I and II on September 17, 1991. On the Billboard charts, II beat I to the top. How many songs from Use Your Illusion II can you remember in two minutes?

The gestation period of some species of opossum is less than two weeks.

The gestation period of some species of opossum is less than two weeks.

Morning Cup of Links: The Dancing Skeleton

Miss Cellania

Tug of War was an Olympic event from 1900 to 1920.

Tug of War was an Olympic event from 1900 to 1920.

The first single issued by singer-songwriter Cat Stevens was titled "I Love My Dog."

The first single issued by singer-songwriter Cat Stevens was titled "I Love My Dog."

Actual SkyMall Product or Rejected Invention Patent?

Questions:8
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Pass rate:75 %
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The products gracing the pages of the SkyMall Magazine provide guaranteed laughter, disbelief and audible exclamations of "Who would buy that?" In each question below, one product is actually for sale in SkyMall Magazine; the other is an invention that failed to secure a patent. Can you tell the difference?

5 Questions: Butcher Shop

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On November 18<sup>th</sup>, 1913, pilot Lincoln Beachy did something that had never been done in an airplane before: he made a complete loop-de-loop.

On November 18th, 1913, pilot Lincoln Beachy did something that had never been done in an airplane before: he made a complete loop-de-loop.

The Canadian Geography Bee

Questions:10
Available:Always
Pass rate:75 %
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We've tested your knowledge of U.S. geography time and time again. But how well do you know the Great White North?

Karl Marx once served as a European correspondent for <em>The New York Tribune</em>.

Karl Marx once served as a European correspondent for The New York Tribune.

5 Questions: Pots and Pans

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

The Jaws of Life were invented by George Hurst, who was a mechanical engineer and auto racing enthusiast. He conceived the idea after witnessing an accident at the Indy 500 where the driver died because he couldn’t be extracted from his car in time.

The Jaws of Life were invented by George Hurst, who was a mechanical engineer and auto racing enthusiast. He conceived the idea after witnessing an accident at the Indy 500 where the driver died because he couldn’t be extracted from his car in time.

Both Madonna and Celine Dion are cousins of Prince Charles' wife, Camilla.

Both Madonna and Celine Dion are cousins of Prince Charles' wife, Camilla.

Hallmark sells a line of "encouragement" cards you can send to people who've lost their job.

Hallmark sells a line of "encouragement" cards you can send to people who've lost their job.

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