89% knows the answer to this question: "What country did Winston Churchill lead in World War II? "

And do you know the answer to this one? "Chiang Kai-shek led which country?"

78% knows the answer to this question: "Which of these held up buildings in Ancient Rome and Greece? "

And do you know the answer to this one? "Who was a member of the conservative Likud party of Israel and was once Prime Minister?"

40% knows the answer to this question: "In 1984, what animal's heart was transplanted into Baby Fae? "

And do you know the answer to this one? "Captain Andy Hawks' daughter Magnolia falls for a riverboat gambler named Gaylord Ravenal in what musical?"

49% knows the answer to this question: "What was the name of the Roman city that began with "P" which was destroyed when Mount Vesuvius erupted in 79 AD? "

And do you know the answer to this one? "Neuromorphic engineering develops computers that mimic something. What?"

83% knows the answer to this question: "Which of these animals is native to Australia? "

And do you know the answer to this one? "What fast food giant is known worldwide for its "golden arches"?"

91% knows the answer to this question: "Which person is known for this: "leader of the U.S.S.R."? "

And do you know the answer to this one? "What animal lugs around a giant hump of fat and has a third eyelid to protect their eyes from sand?"

37% knows the answer to this question: "If a wild dingo eats your baby, you're probably in what country, the only one with dingos? "

And do you know the answer to this one? "Van Gogh cut off what body part and sent it to Rachel, a prostitute who didn't like his work?"

51% knows the answer to this question: "Which pair of animal species and type is correct? "

And do you know the answer to this one? "If your mom has hazel eyes, what color would they be?"

94% knows the answer to this question: "Excessive secretion of oil from sebaceous glands blocking pores is called what? "

And do you know the answer to this one? "Where did the U.S. take Taliban and Al-Queda prisoners to in 2002?"

86% knows the answer to this question: "Which of these was a famous Native American chief? "

And do you know the answer to this one? "Which British princess gave birth to a son in 2013?"

64% knows the answer to this question: "An examination of the chest and its contents by X-ray is commonly known as what? "

And do you know the answer to this one? "Despite being a better runner than a flyer, what bird ends up in pear trees every Christmas?"

37% knows the answer to this question: "What was Boulder Dam renamed as, for the second time, in 1947? "

And do you know the answer to this one? "Which animal famously held special significance for the ancient Egyptians?"