79% knows the answer to this question: "Su-Lin arrived at the Brookfield Zoo near Chicago in 1936, brought there by clothing designer Ruth Harkness. And Su-Lin was the first of a kind in North America. What was it? "

And do you know the answer to this one? "A piece of wood from the apple tree that supposedly inspired my theory of gravity went up to space with astronaut Piers Sellers. Who am I?"

78% knows the answer to this question: "What did Tony the Tiger say about Frosties? "

And do you know the answer to this one? "What is the name of the process used by plants to convert sunlight into food?"

75% knows the answer to this question: "Hundreds of Thousands of people protested against which war in the 1960s? "

And do you know the answer to this one? "Which is the only continent bees are not found on?"

38% knows the answer to this question: "Volvo cars are from which country? "

And do you know the answer to this one? "In the famous 1951 cartoon, what advice does Bert the Turtle give to kids if they should find themselves being attacked with nuclear weapons?"

42% knows the answer to this question: "What Doctor was the title of a 1957 Pasternak novel? "

And do you know the answer to this one? "The Statue of Liberty is a national monument built on which island?"

60% knows the answer to this question: "In which city would you find the Empire State Building? "

And do you know the answer to this one? "Which type of dog's name also means 'hoarse'?"

59% knows the answer to this question: "What number comes after 'Catch' in a 1961 Joseph Heller novel? "

And do you know the answer to this one? "What oath is historically taken by physicians?"

43% knows the answer to this question: "Which of these men led the Soviet Union? "

And do you know the answer to this one? "In 2013, the Falkland Islands voted to remain as part of what nation?"

45% knows the answer to this question: "Filmed in real time, in what movie does Gary Cooper's Will Kane defend Hardyville against a gang? "

And do you know the answer to this one? "What European sex kitten came to North American attention when her husband, Roger Vadim, directed her in And God Created Woman?"

65% knows the answer to this question: "What was the name of the researcher who published a groundbreaking report on sexual habits in the 1950s? "

And do you know the answer to this one? "The St Lawerence Seaway linked the Canadian Lakes to which body of water?"

32% knows the answer to this question: "Which of these is in the vegetables group? "

And do you know the answer to this one? "What is the log that's traditionally burned during Christmas celebrations called?"

65% knows the answer to this question: "What is 0.25 as a fraction in its lowest terms? "

And do you know the answer to this one? "What is equal to 18 inches?"