38% knows the answer to this question: "What are the tiny blood vessels that connect arteries and veins? "

And do you know the answer to this one? "American Lewis Waterman had his in a fountain; Hungarian Georg Biro's was on the ballpoint. What had they invented?"

52% knows the answer to this question: "Where is the world's longest wall? "

And do you know the answer to this one? "Where was Prime Minister Margaret Thatcher in power from 1979-1990?"

36% knows the answer to this question: "Which of these continent - country - capital groups is correct? "

And do you know the answer to this one? "The mixto sandwich also has what name, for the country where it has been popular in cigar factories and sugar mills?"

93% knows the answer to this question: "In 2008, Barack Obama said that the primary season was about "the past versus" the what? "

And do you know the answer to this one? "What is the word for a group of hounds?"

54% knows the answer to this question: "On US highways, what does the letter 'I' stand for? "

And do you know the answer to this one? "Her last name, Gudmundsdottir, simply indicates who her dad is, while her first name means "birch" in Icelandic. Who is she?"

55% knows the answer to this question: "What is water stored beneath the surface of the Earth called? "

And do you know the answer to this one? "Wyoming was the first state to grant the right to vote to whom?"

38% knows the answer to this question: "Which of these was a hit single for Olivia Newton John in 1974? "

And do you know the answer to this one? "In which film did Haley Joel Osment tell us that he sees dead people?"

55% knows the answer to this question: "What is the expected time an organism will live called? "

And do you know the answer to this one? "What do you get when an organ projects through the wall of the structure around it?"

89% knows the answer to this question: "Who led the French army to victory over the English? "

And do you know the answer to this one? "Nelson Mandela was expelled from the University of Fort Hare for being involved in what activity?"

45% knows the answer to this question: "The country Columbia was named for what famous explorer? "

And do you know the answer to this one? "What weather term comes from the Aboriginal "Huracan"?"

71% knows the answer to this question: "Who is the Spanish Surrealist, who lived from 1904-1989? "

And do you know the answer to this one? "In 1969, who popularized the Paul Anka song that begins with: "And now, the end is near - And so I face the final curtain"?"

57% knows the answer to this question: "What cuisine has two kinds of noodles: egg noodles (mien) served like spaghetti and rice noodles (bijon) served ho fan (wide, like fettuccine)? "

And do you know the answer to this one? "Salsa is a food item of what type of cuisine?"