53% 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? "What was the name of the plastic hoop which hit the shops in 1958?"

45% knows the answer to this question: "In 2001, what disease got started with some pigs in Northumberland, England? "

And do you know the answer to this one? "The membrane in the ear is named for what musical instrument?"

75% knows the answer to this question: "What is the medical term for a defect in memory? "

And do you know the answer to this one? "What medical term is used when a person is unconscious?"

94% knows the answer to this question: "What comes in a particular variety for left-handed people? "

And do you know the answer to this one? "What is North America's most famous resort city for gambling, shopping, and entertainment?"

35% knows the answer to this question: "In stargazing, the dark patches on the moon are known as what? "

And do you know the answer to this one? "Which beach is located in Guatemala?"

64% knows the answer to this question: "Which European country was given a bailout by the European Union in 2013? "

And do you know the answer to this one? "Which entertainer recorded The Astaire Story in 1952?"

57% knows the answer to this question: "Who proclaimed the Communist People's Republic of China in 1949? "

And do you know the answer to this one? "What is the name of the thousands of ancient clay sculptures depicting the armies of Qin Shi Huang, the First Emperor of China?"

71% knows the answer to this question: "Who refused to give up his or her bus seat to make room for a white passenger on 1 December 1955? "

And do you know the answer to this one? "What was the name of the Frenchman who was voted Man of the Year by TIME magazine in 1958?"

71% knows the answer to this question: "Who was Galileo Galilei? "

And do you know the answer to this one? "Natalie Portman, who was born in 1981, is best known for what? "

41% knows the answer to this question: "Jerry Lee Lewis caused a scandal by marrying whom? "

And do you know the answer to this one? "You could say that Marie Curie died as a result of her work. What killed her? "

87% knows the answer to this question: "Where did Britain restore parliamentary powers after Sinn Fein agreed to disarm? "

And do you know the answer to this one? "In which year did author George Orwell publish "Animal Farm"?"

32% knows the answer to this question: "Who duetted with Boyz II Men on the hit 'One Sweet Day'? "

And do you know the answer to this one? "The song, 'I Will Survive', charted at what number on the Billboard Hot 100?"