83% knows the answer to this question: "The semicircular canals in what part of the body respond to the movement of your head to help you maintain your balance? "

And do you know the answer to this one? "Black people are especially vulnerable to hypertension. What is this?"

89% knows the answer to this question: "What kind of opera singer was Enrico Caruso? "

And do you know the answer to this one? "As one of the Tarriers, Alan Arkin actually had a bigger hit than Harry Belafonte did with what song, now associated with Belafonte?"

36% knows the answer to this question: "What object, which debuted in 1949, is sometimes called a "45"? "

And do you know the answer to this one? "When introduced by Raytheon, what appliance was originally called the Radar Range?"

41% knows the answer to this question: "What continent is most likely to be rocked by a form of cryoseism known as an ice quake? "

And do you know the answer to this one? "What state's southern tip is consumed by the Everglades, an ecosystem of sawgrass marshes, cypress swamps and estuarine mangrove forests?"

63% knows the answer to this question: "In 2014, Bohuslav Sobotka became the Prime Minister of which Eastern European country? "

And do you know the answer to this one? "Saddam Hussein was the President of which country?"

63% knows the answer to this question: "Frederic Chopin is known for being which one of the following? "

And do you know the answer to this one? "An app called Uber threatened what industry?"

48% knows the answer to this question: "Who recorded the hit single "I Can't Stop Loving You" in 1962? "

And do you know the answer to this one? "Various Middle Eastern nations engaged in a June 1967 war lasting how long?"

65% knows the answer to this question: "A pentagram's four lower points symbolize air, fire, water and which other item? "

And do you know the answer to this one? "What spilled from the Exxon Valdez?"

93% knows the answer to this question: "Which choice is most related to "dinosaur"? "

And do you know the answer to this one? "According to Hindu thinker Kanada, "Weight causes falling; it is imperceptible and known by inference." What phenomenon was he explaining?"

33% knows the answer to this question: "What is the name of the Ukrainian power plant where a major nuclear accident occurred in 1986? "

And do you know the answer to this one? "What was President Ford's first name?"

63% knows the answer to this question: "Which of these farm animals comes from the Andes mountains? "

And do you know the answer to this one? "Which of the following is a small organism that can make your body sick?"

58% knows the answer to this question: "Which four U.S. Presidents' heads are carved onto the Mount Rushmore National Memorial? "

And do you know the answer to this one? "What was the name of the U.S. space shuttle that exploded after liftoff in 1986?"