78% knows the answer to this question: "What device controls temperature with a switch? "

And do you know the answer to this one? "Which country launched Operation Pillar of Defense against the Gaza Strip in 2012?"

66% knows the answer to this question: "What is it called when a current skips part of the circuit? "

And do you know the answer to this one? "What city is home to a temple remnant called the Western Wall, also known as the Wailing Wall?"

56% knows the answer to this question: "Riverdance and Lord of the Dance highlighted which country's dance traditions? "

And do you know the answer to this one? "The average life expectancy of a US male in 1970 was what?"

37% knows the answer to this question: "What aromatic leaf from the laurel tree is used as a herb? "

And do you know the answer to this one? "Which of these continents has a polar climate zone?"

75% knows the answer to this question: "If you're like most people, what can't you do with your eyes open? "

And do you know the answer to this one? "What legendary rock band shared an Oscar in 1970 for "Best Song Score" for the movie Let It Be, a documentary on the making of their last album?"

64% knows the answer to this question: "During which dynasty was Beijing's Forbidden City -- and a lot of great vases -- built? "

And do you know the answer to this one? "What was the name of the Soviet satellite launched on October 4, 1957? "

56% knows the answer to this question: "At over 2,340 miles, what river forms all or part of the boundary of nine US states? "

And do you know the answer to this one? "Who was kidnapped by Paris, which started the Trojan War?"

77% knows the answer to this question: "Which of the following seafood fish is usually pink/orange in color? "

And do you know the answer to this one? "What is the last name of the Italian family who came to America and fashioned whirlpools?"

40% knows the answer to this question: "The medical term, "ophthalmic", is best defined as? "

And do you know the answer to this one? "What is it called when someone has low blood pressure?"

75% knows the answer to this question: "Where are carpal bones found? "

And do you know the answer to this one? "What teeth are commonly removed during young adulthood?"

38% knows the answer to this question: "Which of these choices is a mammal? "

And do you know the answer to this one? "In what country would you most likely enjoy skewers called satay and a noodle dish called pad thai?"

84% knows the answer to this question: "What kind of bean is used to make tofu? "

And do you know the answer to this one? "What is the sprouting of a new plant structure called?"