62% knows the answer to this question: "What country's national cocktail, caipirinha, is made with a sugar cane rum called cachaca? "

And do you know the answer to this one? "What feature was added to London's City Hall in 2007, to make the building more energy efficient?"

31% knows the answer to this question: "Which of these chemicals removes odors from refrigerators? "

And do you know the answer to this one? "What branch of chemistry is concerned with the chemistry of living organisms?"

58% knows the answer to this question: "In 1989, authorities added 750 metric tonnes of lead weights around the north side of its base, to keep what city's Leaning Tower from collapsing? "

And do you know the answer to this one? "What was the purpose of the American Colonization Society, founded in 1816?"

32% knows the answer to this question: "Construction started on a wall dividing which European city in 1961? "

And do you know the answer to this one? "Who invented the telephone?"

65% knows the answer to this question: "Tchaikovsky's "Nutcracker" ballet is set at which time of year? "

And do you know the answer to this one? "Who is one of the greatest golfers in the history of Japan?"

64% knows the answer to this question: "What animal lives in the northern Pacific Ocean? "

And do you know the answer to this one? "Marseille and Bordeaux are cities in which European country? "

56% knows the answer to this question: "The internet expression "NVM" is short for what expression? "

And do you know the answer to this one? "Which animal can survive in the frigid temperatures of the arctic region?"

56% knows the answer to this question: "Which scientific term is best defined as "the area influenced by an object's gravity"? "

And do you know the answer to this one? "In 1540, Garcia Lopez de Cardenas became the first European to see what canyon, which is a mile deep in some places?"

93% knows the answer to this question: "What is "high water"? "

And do you know the answer to this one? "What contain most of the calcium ion in the human body?"

90% knows the answer to this question: "How many thieves are in Ali Baba's story in "1001 Arabian Nights"? "

And do you know the answer to this one? "The Battle of Fort Sumter was part of which war?"

89% knows the answer to this question: "From which region of the world did Bram Stoker's Count Dracula originate? "

And do you know the answer to this one? "Which Bill was one of the key figures of rock'n'roll in the 1950s?"

84% knows the answer to this question: "Dialysis is needed when which organs are failing? "

And do you know the answer to this one? "What was the name of the political movement in 1980's Poland?"