71% knows the answer to this question: "In 1953, there were nearly 9000 cases of this disease. Two years later, Dr Jonas Salk's vaccine was being used to fight it. What is the disease? "

And do you know the answer to this one? "Who refused to give up his or her bus seat to make room for a white passenger on December 1, 1955?"

63% knows the answer to this question: "Which of these famous landmarks is in Europe? "

And do you know the answer to this one? "What did Australia abolish in 1985? "

73% knows the answer to this question: ""Baby seems like we never ever agree" is a lyric from which Paula Abdul song? "

And do you know the answer to this one? "Which 1980 Black Sabbath LP cover features cigarette-smoking angels?"

80% knows the answer to this question: "Which integer represents a temperature of 3 degrees below zero? "

And do you know the answer to this one? "What is a trick for adding 9?"

48% knows the answer to this question: "What is the maximum number of bowling pins you can knock down in any given frame? "

And do you know the answer to this one? "Which flag, used by pirates, featured a skull and cross-bones?"

33% knows the answer to this question: "Which of these people died at a younger age? "

And do you know the answer to this one? "What was the first sequel to win the Oscar for Best Picture?"

71% knows the answer to this question: "In what year was there a major Wall Street crash? "

And do you know the answer to this one? "What nickname for New York City used to refer to something highly desired by gamblers?"

80% knows the answer to this question: "In 1917, which two tool-and-die cutters invented the first practical power drill? "

And do you know the answer to this one? "Leda is one of the Himalia group, the moons just beyond the four Galilean moons. Beyond that are the Ananke, Carme and Pasiphae groups, each named for the largest moon in the group. Around what planet do they all orbit?"

73% knows the answer to this question: "Which country has the smallest population? "

And do you know the answer to this one? "What is Westminster Abbey?"

65% knows the answer to this question: "Which is the world's only predominantly Jewish state? "

And do you know the answer to this one? "Anaconda's are native to which river?"

86% knows the answer to this question: "Which company's "secret blend of 11 herbs and spices" seems to be flour, salt, MSG and black pepper ... two spices and no herbs? "

And do you know the answer to this one? "At first, in the 1700s, the Brits thought somebody had sewn a duck's beak onto the body of a beaver. What animal is this?"

67% knows the answer to this question: " "Here's looking at you, kid." "

And do you know the answer to this one? ""May the Force be with you.""