41% knows the answer to this question: "What British animals were driven mad by a disease called bovine spongiform encephalopathy? "

And do you know the answer to this one? "What nickname was given to the wife of Rutherford B. Hayes for banning alcohol in the White house?"

85% knows the answer to this question: "What are the pictures that explain the story in a book called? "

And do you know the answer to this one? "What fictional character lived on a tropical island for 28 years?"

88% knows the answer to this question: "Sound travels 2.7 times faster through what gas, which explains why inhaling it makes your voice higher? "

And do you know the answer to this one? "Michael Jackson's first wife was whose daughter?"

45% knows the answer to this question: "What body of water touches the eastern coast of Mexico? "

And do you know the answer to this one? "Machu Picchu is an Incan city in what country?"

46% knows the answer to this question: "What compound found in tap water is good for the teeth? "

And do you know the answer to this one? "In 2013, North Korea pulled out of a 60-year armistice with what country?"

67% knows the answer to this question: "Which language is spoken in Cuba? "

And do you know the answer to this one? "Vincent Van Gogh's famous painting of a night sky with swirling yellow stars is called what?"

84% knows the answer to this question: "What is a common unit of depth in the ocean? "

And do you know the answer to this one? "Scoliosis starts with an S, and causes what part of the body to deform into an S?"

63% knows the answer to this question: "Dermatitis is an inflammation of what part of the body? "

And do you know the answer to this one? "Which food is fat free and high in both Vitamin C and potassium?"

53% knows the answer to this question: "What is the official language of France? "

And do you know the answer to this one? "What sort of electricity do you get when you rub two balloons and they stick together?"

76% knows the answer to this question: "Which country did St. Patrick help convert to Christianity? "

And do you know the answer to this one? "Which of these animals competes with a lion for food?"

46% knows the answer to this question: "Who directed 'The Birds'? "

And do you know the answer to this one? "Scotland is the birthplace of what ball and stick sport?"

69% knows the answer to this question: "Where does Flamenco dancing come from? "

And do you know the answer to this one? "What is energy from the internal heat of the Earth called?"