93% knows the answer to this question: "Which paired organ in your body is two different sizes, because it makes room for your heart? "

And do you know the answer to this one? "It's thought that the Pacific tree frog is the only species of frog to make this noise, but because it lives in Hollywood, the sound became established through the movies. What sound is this?"

96% knows the answer to this question: "What was the name of the 1066 battle in which Harold II died? "

And do you know the answer to this one? "Which animal is on the emblem of Great Britain?"

91% knows the answer to this question: "According to painter James Whistler, what color was "pink trying to be purple"? "

And do you know the answer to this one? "Known for "the decisive moment," who was the first photographer to exhibit in the Louvre?"

93% knows the answer to this question: "The everyday word for them is from the Odawa word for "red squirrel." They make up the genus Tamias, meaning "treasurer," for what they do with their cheeks. What are they? "

And do you know the answer to this one? "Pescatarians are vegetarians who eat something meaty. What?"

87% knows the answer to this question: "What historical period signified the rebirth of music, art and literature? "

And do you know the answer to this one? "Which country was formerly known as Persia?"

89% knows the answer to this question: "Most Italian American immigrants arrived from 1899 to 1924 and about a third of these were from what island? "

And do you know the answer to this one? "The Beatles had what hit single in 1966?"

96% knows the answer to this question: "Which country is the smallest in land mass? "

And do you know the answer to this one? "What is the largest religious group in Poland?"

88% knows the answer to this question: "He figured out gravity and the three laws of motion, but apparently never figured out how to get a woman into bed. Who? "

And do you know the answer to this one? "In 1993, scientists realized that what two animals are part of the same species, now called Canis lupus familiaris?"

93% knows the answer to this question: "Arturo Sandoval's 2012 album "Every Day I Think Of You" was a tribute to which fellow trumpeter? "

And do you know the answer to this one? "In what country did scientists find a mass grave of about 50 "mega-wombats," each the size of a small car and weighing about three tons each?"

92% knows the answer to this question: "What causes suntans and sunburns? "

And do you know the answer to this one? "Chorizo is a type of what?"

85% knows the answer to this question: "If a $15 shirt is on sale for 30% off, how much will it cost? "

And do you know the answer to this one? "If coffee costs $1 an oz., what is the cost for 1 pint of coffee?"

89% knows the answer to this question: "What city's National Gallery was founded after Robert Walpole's grandson sold the ex-PM's art collection to Catherine the Great? "

And do you know the answer to this one? "We mean the artists, not the Teenage Mutant Ninja Turtles. What Jewish king was cast in bronze by Donatello and sculpted in marble by Michelangelo?"