37% knows the answer to this question: "If you order your men to hold their fire until they saw the enemy's sclera, what are they waiting to see? "

And do you know the answer to this one? "What country gets its name from the old Roman port of Portus Cale, now called Oporto?"

86% knows the answer to this question: "Which film is about little plastic toy building blocks? "

And do you know the answer to this one? "What are you eating if you're enjoying escargot?"

95% knows the answer to this question: "Which film was promoted with the line "She met the perfect man. Then she met his mother."? "

And do you know the answer to this one? "What animal is a large bird from the islands of Australia, Tasmania, and New Guinea?"

31% knows the answer to this question: "In what city did the gangster Al Capone operate? "

And do you know the answer to this one? "Who was prime minister of Britain through most of World War II?"

63% knows the answer to this question: "What vegetable crop do we pick and eat the ears of? "

And do you know the answer to this one? "What is the name of the pole around which British children dance on May Day?"

31% knows the answer to this question: "In what ocean would you most likely find glaciers floating? "

And do you know the answer to this one? "In what Gioachino Rossini opera is an apple on Jemmy's head used for target practice?"

60% knows the answer to this question: "In Barry Manilow's song "Copa Cabana" he sings about a showgirl. What is her name? "

And do you know the answer to this one? "Who paid Soul Train dancers Geron "Casper" Candidate and Cooley Jackson to teach him the Moonwalk, which he refined for a Motown appearance?"

81% knows the answer to this question: "Who introduced processed cheese in 1915? "

And do you know the answer to this one? "Which famous actor died in 1973?"

65% knows the answer to this question: "Finish the title of Billy Joel's signature song: "Piano ______". "

And do you know the answer to this one? "Jadarite is a borosilicate with sodium, lithium and fluorine, which happens to be the formula given to what imaginary substance in Superman Returns?"

66% knows the answer to this question: "Which of these words means "to examine carefully"? "

And do you know the answer to this one? "What is the capital of the Philippines?"

91% knows the answer to this question: "What do farmers called chopped feed and grain, found in airtight silos? "

And do you know the answer to this one? "In what country was the famous artist Leonardo da Vinci born?"

53% knows the answer to this question: "2012 marked the one-year anniversary of the death of which terrorist leader? "

And do you know the answer to this one? "In India, the enormous, beautiful tomb of Shah Jahan's wife is called what? "