80% knows the answer to this question: "Celiac disease is marked by an inability to digest what starchy protein? "

And do you know the answer to this one? "A toy dog breed and any mostly gray cat are both known by what Mediterranean name?"

93% knows the answer to this question: "What term describes the overflowing of rivers or streams? "

And do you know the answer to this one? "In 1643, one of Galileo's pupils, Evangelista Torricelli, put an empty tube on top of some mercury. When it was really nice out, more mercury was pushed up into the tube. What tool for measuring air pressure had he invented?"

64% knows the answer to this question: "What movie included the Simon & Garfunkel hit "Mrs Robinson"? "

And do you know the answer to this one? "What gives blue cheese its color?"

64% knows the answer to this question: "The D-Day invasions took place in which part of France? "

And do you know the answer to this one? "What is the official language of France?"

38% knows the answer to this question: "A severe outbreak of which disease began in West Africa in 2014? "

And do you know the answer to this one? "Napoleon was the leader of which country?"

84% knows the answer to this question: "I Walk the Line' is what male singer-songwriter's breakthrough song? "

And do you know the answer to this one? "In what city did Princess Diana die?"

40% knows the answer to this question: "In 2014, 14 people died in a volcanic eruption in what Asian country? "

And do you know the answer to this one? "Malcolm Little was better known under which name in the 1960s?"

55% knows the answer to this question: "To err is human, to ... divine "

And do you know the answer to this one? "Princess Grace of Monaco had a successful career before she become a princess. What was she?"

51% knows the answer to this question: "Who is Tony Blair? "

And do you know the answer to this one? "Find the next number (rounded off) in the following sequence: 48.00, 24.00, 12.00, 6.00..."

68% knows the answer to this question: "Which of these farm animals comes from the Andes mountains? "

And do you know the answer to this one? "Who ruled the Soviet Union for more than two decades, instituting a reign of terror while modernizing Russia?"

87% knows the answer to this question: "Which vegetable is not a head? "

And do you know the answer to this one? "What city is home to a temple remnant called the Western Wall, also known as the Wailing Wall?"

57% knows the answer to this question: "What does MTV stand for? "

And do you know the answer to this one? "What is the pulling force that the Earth exerts on every object near it?"