94% knows the answer to this question: "What device consists of one or more cells that produce direct current? "

And do you know the answer to this one? "What central part of an atom occupies a mere one quadrillionth its volume of an atom and just 0.1 percent of its mass?"

47% knows the answer to this question: "What is the subject of the gospels of Matthew, Mark, Luke and John? "

And do you know the answer to this one? "Which is a Sean Connery film?"

70% knows the answer to this question: "In the Middle Ages, all yellow gems were said to be what silicate of aluminum and fluorine, which is said to change color in the presence of poison? "

And do you know the answer to this one? "An American golden plover is which type of animal?"

67% knows the answer to this question: "What is the main ingredient of guacamole (and also the ingredient for which it is named in Nahuatl)? "

And do you know the answer to this one? "In Brazil, fejoda is this pig part, pickled. Americans eat it as trotters. What pig part is it?"

70% knows the answer to this question: "Which Italian city was destroyed when Mount Vesuvius erupted? "

And do you know the answer to this one? "What type of radar measures radial velocity?"

91% knows the answer to this question: "What did Ray Charles have "on my mind"? "

And do you know the answer to this one? "A famous panel of the Sistine Chapel features the creation of who?"

91% knows the answer to this question: "Wolfgang Amadeus Mozart is known for being which one of the following? "

And do you know the answer to this one? "Who composed "Piano Sonata No. 14," the piece of classical music commonly known as the "Moonlight Sonata"?"

87% knows the answer to this question: "The common prefix "therma" comes from a Greek city known for what? "

And do you know the answer to this one? "Removing lumps from liquid by passing through paper or cheesecloth is called what?"

37% knows the answer to this question: "Who was threatened with RC excommunication because of her 'Like a Prayer' video? "

And do you know the answer to this one? "Let's talk turkey, means what?"

67% knows the answer to this question: "The formula H20 means an atom of water contains two parts hydrogen and one part which element? "

And do you know the answer to this one? "Which of these animals lives in the Arctic?"

45% knows the answer to this question: "Napoleon Bonaparte was emperor of which country? "

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

94% knows the answer to this question: "What family of birds, known as Trochilidae, includes the only birds that can fly backwards? "

And do you know the answer to this one? "What country's emperors often worshipped at T'ai Shan Mountain, a Taoist holy place?"