88% knows the answer to this question: "Charles de Gaulle became leader of which country in 1959? "

And do you know the answer to this one? "Which of these lies closest to Australia?"

61% knows the answer to this question: "What green vegetable do rabbits often eat? "

And do you know the answer to this one? "Which disease is basically blood cancer?"

49% knows the answer to this question: "In the "Harry Potter" saga, what does Harry eat so he can breathe under water? "

And do you know the answer to this one? "Sarcoma is a type of which condition?"

75% knows the answer to this question: "What is the core human body temperature in degrees Celsius? "

And do you know the answer to this one? "Where did simultaneous suicide truck bombings in 1983 kill both US Marines and French Army personnel?"

46% knows the answer to this question: "Which fraction is the largest? "

And do you know the answer to this one? "What is the name of the now disabled Japanese nuclear power plant that was destroyed by an earthquake in 2011?"

41% knows the answer to this question: "Who sang the famous song Can't Get Enough Of Your Lovin' (1975)? "

And do you know the answer to this one? "Who sang the famous song "Under The Bridge" (1992)"

61% knows the answer to this question: "Who sang the song, "Vogue"? "

And do you know the answer to this one? "Who sang the famous song "Imagine" (1971)"

35% knows the answer to this question: "What foreign prince married an American film star in 1956? "

And do you know the answer to this one? "What was the unusual first name of Civil War General Jackson?"

85% knows the answer to this question: "Her last name, Gudmundsdottir, simply indicates who her dad is, while her first name means "birch" in Icelandic. Who is she? "

And do you know the answer to this one? "What song has the line, "And when you smile the world is brighter, you touch my hand and I'm a king"?"

60% knows the answer to this question: "Used to treat diabetes, what was the first genetically engineered drug approved by the FDA? "

And do you know the answer to this one? "Torald Sollmann tried to find an antidote to what horrific gas ... by spraying himself with it?"

57% knows the answer to this question: "Which company introduced a box camera called the Brownie in 1900? "

And do you know the answer to this one? "A ripe watermelon has a rind that is what color?"

72% knows the answer to this question: "In "My Fair Lady," Eliza could have done this all night. And still have begged for more! What? "

And do you know the answer to this one? "The male of what mainly nocturnal insect produces a loud, rhythmic, chirping sound?"