80% knows the answer to this question: "What barrier was officially known to its builders as the Anti-Fascist Protective Rampart, or Antifaschistischer Schutzwall? "

And do you know the answer to this one? "What is glued to the back of a small photo or drawing so it will stick to the fridge?"

55% knows the answer to this question: "What number does the Spanish word "tres" represent? "

And do you know the answer to this one? "Anaconda's are native to which river?"

84% knows the answer to this question: "What sea of the Atlantic Ocean surrounds Jamaica, Aruba and the Cayman Islands? "

And do you know the answer to this one? "What was the name of Prince's hit 1984 movie?"

40% knows the answer to this question: "Which part of a pool keeps the water free of trash? "

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

41% knows the answer to this question: "Which tool is a thin, flexible knife used to mix, scrape and apply paint? "

And do you know the answer to this one? "Where would a 1930s ploughman work?"

80% knows the answer to this question: "In May 1973, the Mounted Police of which country celebrated their centenary? "

And do you know the answer to this one? "Which television show first aired in 1950?"

51% knows the answer to this question: "In what industry did John Davidson Rockefeller get rich? "

And do you know the answer to this one? "French artists Monet, Manet, Renoir, Degas and Cezanne painted in which style?"

45% knows the answer to this question: "What was the first artificial Earth satellite, launched by the Soviet Union in 1957? "

And do you know the answer to this one? "What action is similar to whisking but uses faster motion for a longer time?"

69% knows the answer to this question: "You can layer this as straw or wood chips, which lets air in, but not as much water, so weeds have a harder time growing. What is it? "

And do you know the answer to this one? "The semicircular canals in what part of the body respond to the movement of your head to help you maintain your balance?"

88% knows the answer to this question: "In what year did France and Britain declare war on Germany? "

And do you know the answer to this one? "What causes the moon to shine?"

62% knows the answer to this question: "What is the capital city of Antarctica? "

And do you know the answer to this one? "What kind of bean is used to make tofu?"

83% knows the answer to this question: "In the 1920, Vienna physician Manfred Sakel treated drug addiction by deliberating inducing comas through overdoses of what diabetes-treating drug? "

And do you know the answer to this one? "Which was the name of Gustav Klimt's painting of a curly-branched tree?"