89% knows the answer to this question: "Which company is behind the Windows operating system? "

And do you know the answer to this one? "Every stick has ... ends"

31% knows the answer to this question: "As Turks nibbled at his lands, the Byzantine Emperor asked the pope for help, which ended up being what series of medieval wars in the Middle East? "

And do you know the answer to this one? "Which is India's most sacred river?"

92% knows the answer to this question: "In Italian cuisine, what are the small potato dumplings called? "

And do you know the answer to this one? "With what issue did the landmark 1954 Supreme Court case Brown v. Board of Education deal?"

66% knows the answer to this question: "By what elemental property is the average weight of an atom classified? "

And do you know the answer to this one? "Which US President resigned over Watergate?"

52% knows the answer to this question: "Blowfly offspring can be used to tell how long a body has been dead and to eat dead flesh in living patients. What offspring is this? "

And do you know the answer to this one? "What did "A.L.F." stand for in the popular TV show from the 80's?"

80% knows the answer to this question: "Who built the first working magnetic telegraph in 1835 and also co-invented a special language, or code, that was compatible with it? "

And do you know the answer to this one? "What is one of the largest industries in Iceland?"

49% knows the answer to this question: "What do you get when you add molasses to sugar? "

And do you know the answer to this one? "Who became leader of Italy in October 1922?"

46% knows the answer to this question: "What are "Dixie cups" made from? "

And do you know the answer to this one? "The discovery of what in the North Sea prompted a 1970s job boom?"

76% knows the answer to this question: "Famous for its tacky tourist attractions, where could you get your kicks on, at least according to a Bobby Troup song? "

And do you know the answer to this one? "Minestrone is included in which cuisine?"

40% knows the answer to this question: "Which game-show began in 1950? "

And do you know the answer to this one? "Each roll gets 3 sausages. How many sausages are needed for 13 rolls?"

83% knows the answer to this question: "What are the tiny blood vessels that connect arteries and veins? "

And do you know the answer to this one? "American Lewis Waterman had his in a fountain; Hungarian Georg Biro's was on the ballpoint. What had they invented?"

30% knows the answer to this question: "In 2008, Barack Obama said that the primary season was about "the past versus" the what? "

And do you know the answer to this one? "What is the word for a group of hounds?"