54% knows the answer to this question: "What is another name for the voice box? "

And do you know the answer to this one? "In which capital city would you find the Louvre?"

94% knows the answer to this question: "What is the capital city of the Central American country of Guatemala? "

And do you know the answer to this one? "Which couple is credited with forming the nation of Spain?"

34% knows the answer to this question: "Which scientific term is best defined as "the area influenced by an object's gravity"? "

And do you know the answer to this one? "Peru, the third largest country in South America, harbors which capital city?"

42% knows the answer to this question: "What were the series of wars by European Christians to recover the Holy Land from the Muslims? "

And do you know the answer to this one? "What does the word "constellation" mean?"

89% knows the answer to this question: "Which simple shoe was most often worn by citizens of Ancient Rome? "

And do you know the answer to this one? "What is a very young plant called?"

66% knows the answer to this question: "Where is 'Cape town'? "

And do you know the answer to this one? "What's the meaning of the Latin phrase "terra firma"?"

67% knows the answer to this question: "Who was the physicist who developed the theory E=MC˄2? "

And do you know the answer to this one? "Where is Chile located?"

81% knows the answer to this question: "Which president died of a gunshot wound to the head in 1963? "

And do you know the answer to this one? "What does the phrase: " Can't carry a tune in a bucket" mean? "

62% knows the answer to this question: "Whose famous tomb was opened in Egypt in 1922? "

And do you know the answer to this one? "Which two letters follow years that occurred after the birth of Jesus?"

95% knows the answer to this question: "What is the capital of Ukraine? "

And do you know the answer to this one? "What country did Charles de Gaulle become president of after World War II?"

74% knows the answer to this question: "What was a cultural and intellectual movement in Europe from the 14th to the 17th century? "

And do you know the answer to this one? "Who was the pilot of the plane, Enola Gay, which dropped the bomb on Hiroshima?"

86% knows the answer to this question: "Nikola Tesla developed and improved the compass. "

And do you know the answer to this one? "Flying from Greenland to England you will fly to the east."