89% knows the answer to this question: "When would you find yourself taking a polygraph? "

And do you know the answer to this one? "A pair of ruby slippers from what movie was stolen from the Judy Garland Museum in Grand Rapids, Minnesota, in 2005?"

47% knows the answer to this question: "What part of your body is stapled if you get a vertical banded gastroplasty? "

And do you know the answer to this one? "Intelligence data suggested the Japanese might hit the Philippines, the Panama Canal, even California. Instead, they struck Pearl Harbor. Where?"

55% knows the answer to this question: "On the first day of Christmas, what sort of tree is the partridge sitting in? "

And do you know the answer to this one? "After being blown away at a demo at Xerox's Park in December 1979, Steve Jobs co-founded what "insanely great" company in his parents' garage, in Los Altos, California?"

32% knows the answer to this question: "What is the largest island in the continental United States? "

And do you know the answer to this one? "If you're young enough, you may have no idea here. In what technology were the numbers 78, 33 and 45 once key differentiations?"

35% knows the answer to this question: "What phrase appears in none of the early movies, nor in any of the original books, but instead appears to come from the MGM parking lot, where Johnny Weismuller used it when helping Maureen O'Sullivan with her luggage? "

And do you know the answer to this one? "The Michael Caine film "Zulu" and Charlton Heston's "Khartoum" were biopics about brave Brits set on what continent?"

43% knows the answer to this question: "If you're going in for an abdominoplasty, what kind of surgery are you getting? "

And do you know the answer to this one? "Roger Bacon was the first to record a recipe for this: seven parts saltpeter, five parts charcoal and five parts sulphur. Today the ratio is 75%, 15% and 10%. What is it?"

85% knows the answer to this question: "Who was the first Catholic US president? "

And do you know the answer to this one? "During WWII, what Texan (and future movie star), single-handedly held off the Germans, directing artillery fire that killed or wounded about 50 of them?"

83% knows the answer to this question: "You can visit the Leaning Tower of Niles, Ohio, but where is the original Leaning Tower? "

And do you know the answer to this one? "Some 1600 black, German and Irish people were evicted from such neighborhoods as Seneca Village, Harsenville and the Piggery District to build what New York City park?"

75% knows the answer to this question: "Back in the 1970s, why might you (or maybe your dad) have had an eight-track cartridge in the car? "

And do you know the answer to this one? "What nickname for New York City was popularized in the 1920s columns by John J FitzGerald?"

85% knows the answer to this question: "Which of these "pies" is a Don McLean song that may be about Buddy Holly, but is absolutely not the name of Holly's last plane? "

And do you know the answer to this one? "Larry LaPrise and his Ram Trio just put their right feet in and put their right feet out when they created what dance in the late 1940s?"

48% knows the answer to this question: "In 1917, which two tool-and-die cutters invented the first practical power drill? "

And do you know the answer to this one? "In 1540, Garcia Lopez de Cardenas became the first European to see what canyon, which is a mile deep in some places?"

88% knows the answer to this question: "In the 1989 film, whom does Hoke Colburn drive? "

And do you know the answer to this one? "Although informally called "The Night Watch," the only reason people think it's a night scene is because what painter covered it in varnish?"