71% knows the answer to this question: "Which of these was the "Lusitania"? "

And do you know the answer to this one? "Who was Florence Nightingale?"

65% knows the answer to this question: "The birthplace of the Olympic games is Olympia, in which country? "

And do you know the answer to this one? "When you "get the wind knocked out of you," what part of your body has a spasm?"

54% knows the answer to this question: "Because showing images was discouraged, Islamic art features all but what? "

And do you know the answer to this one? "Which of these words most directly relates to the products of electromagnetic radiation?"

69% knows the answer to this question: "What city is the hometown of the Beatles? "

And do you know the answer to this one? "What disgusting thing will a wine buff do after taking a sip, and not even get thrown out of the wine bar?"

63% knows the answer to this question: "What medical condition is defined as a dangerous loss of body heat? "

And do you know the answer to this one? "Which of these do humans not have two of?"

66% knows the answer to this question: "What word is used to describe crops and foodstuffs grown without chemicals? "

And do you know the answer to this one? "What comet, which drops by every 76 years or so, last visited Earth in 1986?"

55% knows the answer to this question: "How many groups of 4 do you need to make 12? "

And do you know the answer to this one? "What number multiplied by 7 equals 84?"

63% knows the answer to this question: "Which Asian country exploded a nuclear bomb underground in 2013? "

And do you know the answer to this one? "Which country with a total area of 647.5 square kilometers has Singapore as its capital city?"

38% knows the answer to this question: "The US literally engineered, not only this country's canal, but the country itself. What is it? "

And do you know the answer to this one? "What term refers to military submarines operated by Germany in the First World War?"

59% knows the answer to this question: "What was the name of President R. Nixon's wife? "

And do you know the answer to this one? "A resident of which of these cities is most likely to have a Swiss bank account, albeit a completely normal, non-nefarious account?"

72% knows the answer to this question: "What department was established in the 1830s as a branch of the Office of the Commissioner of Patents, to distribute new seeds and plants? "

And do you know the answer to this one? "What caused the Great Famine that struck Ireland in 1845?"

58% knows the answer to this question: "From what source to people get the flu? "

And do you know the answer to this one? "What condition do you have when you have decreased red blood cells or low red blood cell count?"