79% knows the answer to this question: "In what country was the famous artist Leonardo da Vinci born? "

And do you know the answer to this one? "Einstein's E=mc2 equation is known as the theory of what?"

52% knows the answer to this question: "Yellowstone Lake is in which national park? "

And do you know the answer to this one? "ABBA had which hit single in 1974?"

69% knows the answer to this question: "Who ya gonna call? A lawyer! What movie was sued by the Caspar the Friendly Ghost people and got theme-song writer Ray Parker Jr sued by Huey Lewis and the News? "

And do you know the answer to this one? "What is the unit of weight by which a gemstone is measured?"

66% knows the answer to this question: "Which number is odd? "

And do you know the answer to this one? "What is the expected time an organism will live called?"

92% knows the answer to this question: "In which country might you expect to see women wearing saris? "

And do you know the answer to this one? "Where are dermal fillers usually injected?"

78% knows the answer to this question: "In which city was John F. Kennedy assassinated? "

And do you know the answer to this one? "What British politician and leader died April 8, 2013?"

70% knows the answer to this question: "Which former First Lady died in 1994, 31 years after her husband was assassinated? "

And do you know the answer to this one? "Kim Jong-Nam was arrested in 2001 for sneaking into Japan to visit Tokyo Disneyland, putting a serious crimp in his plans to rule what country?"

81% knows the answer to this question: "The Friedrichshafen G.III plane was used predominately by which country in World War I? "

And do you know the answer to this one? "There was a siege at the embassy of which country in London in 1980?"

45% knows the answer to this question: "How was Lord Nelson killed? "

And do you know the answer to this one? "What was the infamous Bloody Mary's occupation?"

53% knows the answer to this question: "Meaning Majority Party, what did Lenin call his minority faction, because it had briefly held editorial control of a newspaper called Iskra (Spark)? "

And do you know the answer to this one? "Lego patented a design for plastic bricks in which country in 1958?"

82% knows the answer to this question: "Who sang the famous song ”She Loves You” (1963)? "

And do you know the answer to this one? "Who sang the famous song "I Will Survive" (1979) ?"

83% knows the answer to this question: "What does a Scott McKenzie song say should you wear in your hair if you're going to San Francisco? "

And do you know the answer to this one? "Who had a Bad Romance in 2009?"