63% knows the answer to this question: "Susanna the Maid is the bride in what Mozart work, named for the groom? "

And do you know the answer to this one? "Don McLean wrote the longest song ever to hit #1 on the Billboard singles charts. What was this song?"

37% knows the answer to this question: "What object's gnomon ceases to work at night? "

And do you know the answer to this one? "How many is a third of two dozen?"

74% knows the answer to this question: "As Jan and Dean might know, the real "dead man's curve" is a tight corner of Sunset Boulevard in what city? "

And do you know the answer to this one? "Released in 2002 by iRobot, the Roomba was a round, flat robot. What did it do?"

35% knows the answer to this question: "Who reportedly wore the same poncho in A Fistful of Dollars, For a Few Dollars More and The Good, The Bad, and the Ugly? "

And do you know the answer to this one? "What British animals were driven mad by a disease called bovine spongiform encephalopathy?"

77% knows the answer to this question: "Caligula considered moving the statue of this god to Rome and replacing the god's face with his own. Theodosius moved it to Constantinople, where it was destroyed in a fire in AD 462. What portable Wonder of the World was this? "

And do you know the answer to this one? "During my lifetime, I only sold one painting, for $75, but almost a century after I died, another of my paintings set an all-time auction record: $82.5 million. Who am I?"

66% knows the answer to this question: "What is "American Idol" winner Fantasia's last name? "

And do you know the answer to this one? "In the 1990s, what TV character experienced "shrinkage" while swimming at the Hamptons?"

73% knows the answer to this question: "The couple in Who's Afraid of Virginia Woolf aren't the Washingtons. Who are they? "

And do you know the answer to this one? "Two of the three sports movies to win the Best Picture Oscar (as of 2013) involved what sport?"

57% knows the answer to this question: "Three bodies line up, both in the solar system and in the periodic table, where elements are named for them. Which of these is not one of them? "

And do you know the answer to this one? "What planet has four Galilean moons, all of them discovered (naturally enough) by Galileo on January 7, 1610?"

50% knows the answer to this question: "In 1519, what conquistador burned his own boats, forcing his 500 Spaniards to march on a half million Aztecs ... whom they beat? "

And do you know the answer to this one? "What Mexican state on New Mexico's border has a name that means "loud" in Spanish?"

54% knows the answer to this question: "In 1848, German missionaries Johannes Rebmann and Johann Ludwig Krapf reported a snow-capped mountain 3 degrees south of the equator. For the next decade, the idea was ridiculed, but it does exist. What is it? "

And do you know the answer to this one? "Unsurprisingly, where is radio station KENO?"

70% knows the answer to this question: "What band did Decca Records reject in 1962, adding, "We don't like their sound, and guitar music is on the way out"? "

And do you know the answer to this one? "In Elton John's song Rocket Man which planet is "cold as hell"?"

79% knows the answer to this question: "Humans are killed when they fall six stories. What "nine-lived" animal is better able to survive 32-storey falls than 8-storey ones? "

And do you know the answer to this one? "Which South Dakota memorial contains the busts of four presidents carved into stone?"