89% knows the answer to this question: "What animals built a 1000-foot dam discovered in Colorado's Rocky Mountain National Park? "

And do you know the answer to this one? "In 2005, Prince Charles married what woman?"

58% knows the answer to this question: "Who is the well-known wealthy Greek entrepreneur who died in 1975? "

And do you know the answer to this one? "In which month of 2001 was the attack on New York's twin towers?"

57% knows the answer to this question: "Who seized power of Libya in 1969 in a bloodless military coup? "

And do you know the answer to this one? "Who was Confucius?"

65% knows the answer to this question: "Which of the following best relates to a roofer? "

And do you know the answer to this one? "In Mother Goose lore, what bridge was "falling down"?"

33% knows the answer to this question: "How did the Eagles complete the lyric "You can't hide your..."? "

And do you know the answer to this one? "What is the term for a shirt with no sleeves?"

51% knows the answer to this question: "The Imjin War was fought between Japan and which other country? "

And do you know the answer to this one? "Name the blockbuster film featuring 'My Heart Will Go On'?"

95% knows the answer to this question: "Enro Rubik became a Communist millionaire thanks to what invention? "

And do you know the answer to this one? "What type of bird has a species whose common name starts with "Canada"?"

78% knows the answer to this question: "What do levees, bunds and weirs help prevent? "

And do you know the answer to this one? "Cirrhosis is a disease affecting which organ?"

79% knows the answer to this question: "Which Italian city has a famous leaning tower? "

And do you know the answer to this one? "Who was Charles Lindbergh?"

79% knows the answer to this question: "People in what country started eating rat sour soup, fried rat, curried rat and grilled rat once the rodents returned en masse to the Mekong Delta? "

And do you know the answer to this one? "You can find the Wailing Wall at which location?"

51% knows the answer to this question: "The Fallopian tubes lead from the ovaries to where? "

And do you know the answer to this one? "Where is the city of Kyoto found?"

55% knows the answer to this question: "Cognac is a type of which liquor? "

And do you know the answer to this one? "When you "get the wind knocked out of you," what part of your body has a spasm?"