61% knows the answer to this question: "Psoriasis is an itchy condition of what part of the human body? "

And do you know the answer to this one? "What is the liquid component of blood known as?"

55% knows the answer to this question: "A NASA deep space probe's ion propulsion was inspired by the otherwise awful episode Spock's Brain, of what TV series? "

And do you know the answer to this one? "What is the study of atmospheric conditions and climate called?"

80% knows the answer to this question: "Who sang the famous song "Maggie May / (Find A) Reason To Believe" (1971)? "

And do you know the answer to this one? "Who sang the famous song "The Most Beautiful Girl" (1974)?"

57% knows the answer to this question: "The center of America is the most common place on earth for which weather phenomenon? "

And do you know the answer to this one? "Which town in Scotland was granted city status in 2012?"

51% knows the answer to this question: "On which continent is Singapore located? "

And do you know the answer to this one? "Paul Newman played a character called "Cool Hand" who?"

87% knows the answer to this question: "What musician was often called "Satchmo"? "

And do you know the answer to this one? "What gas is necessary for respiration and aids fires in burning?"

84% knows the answer to this question: "What name do characters from 'The Sound Of Music' and 'West Side Story' have in common? "

And do you know the answer to this one? "The 'Queen of Soul Music', she was born in Tennessee in 1942?"

81% knows the answer to this question: "In 1625, some Dutch left present-day Albany for Governors Island at the southern tip of Manhattan. What did they rename it? "

And do you know the answer to this one? "The "Luftwaffe" was the name given to the air force of which country during World War II?"

33% knows the answer to this question: "What was the first major battle of the Revolutionary War? "

And do you know the answer to this one? "What famous magician died from a ruptured appendix on Halloween in 1926?"

75% knows the answer to this question: "Which species best matches this description, "high-jumping, lightly-built antelope from Southern Africa"? "

And do you know the answer to this one? "Which of these months are people most likely to go on a diet?"

36% knows the answer to this question: "Which canal splits North and South America? "

And do you know the answer to this one? "Which U.S. city has the largest population?"

78% knows the answer to this question: "Who sang "Whole Lotta Shakin' Going On" in the 1950s? "

And do you know the answer to this one? "What was the surname of UK Prime Minister Anthony, who resigned after the Suez Crisis in 1957?"