87% 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?"

77% knows the answer to this question: "What branch of chemistry is concerned with the chemistry of living organisms? "

And do you know the answer to this one? "With fur adapted to swimming in the cold, what animal has fur on the soles of its giant feet to keep from slipping on ice?"

75% knows the answer to this question: "Anne Sheridan and Ronald Reagan were purportedly the original choices for the Bogart and Bergman roles in what movie? "

And do you know the answer to this one? "What 1981 movie included the characters named Napoleon and Robin Hood?"

86% knows the answer to this question: "The Cape Colony's chief gemologist said that Schalk van Niekerk's diamond was just a pebble. Where was he? "

And do you know the answer to this one? "What country is directly to the north of Vietnam?"

37% knows the answer to this question: "A chateau is most associated with which country? "

And do you know the answer to this one? "Which of these countries is closest to the UK?"

69% knows the answer to this question: "Which of these is smallest? "

And do you know the answer to this one? "The isle of Ireland is nicknamed for this variety of beryl. Like Ireland, this gem is associated with tranquillity. (Hmmm ... maybe not.) What is it?"

81% knows the answer to this question: "In which country could you take a rail trip on the Tokaido Shinkansen line? "

And do you know the answer to this one? "The Eagles and Cypress Hill both had songs named for what cocktail, first served at the Arizona Biltmore Hotel?"

50% knows the answer to this question: "A 1562 ordinance against public ostentation turned what city's famous gondolas black? "

And do you know the answer to this one? "When Christopher Columbus first landed in Jamaica in 1494, who claimed it as a territory?"

78% knows the answer to this question: "When you "get the wind knocked out of you," what part of your body has a spasm? "

And do you know the answer to this one? "What are the Pyrenees in Europe? "

89% knows the answer to this question: "Who was the director of the famous 1958 movie 'Vertigo'? "

And do you know the answer to this one? "Which baseball team won the World Series every year between 1950-1954?"

84% knows the answer to this question: "Which liquid does a flower produce to attract insects? "

And do you know the answer to this one? "What do we call the hierarchy of which animals eat which?"

40% knows the answer to this question: "Hiram King Williams and his son, Randall Hank Williams, and his grandson, Shelton Hank, all used slight variations of what stage name? "

And do you know the answer to this one? "What kind of geographical features are Bondi and Copacabana?"