94% knows the answer to this question: "What service employed such teenager couriers as Buffalo Bill Cody and Wild Bill Hickok, who raced for ten days, carrying the mail 1800 miles? "

And do you know the answer to this one? "Thanks in part to British imperial policy, by 1905, about a quarter of Chinese men were addicted to what narcotic, made from the latex of immature poppy seedpods?"

51% knows the answer to this question: "Diana Ross fronted which group? "

And do you know the answer to this one? "Which band, fronted by Brian Wilson, created "Good Vibrations" in the 1960s?"

95% knows the answer to this question: "Moscow is the capital of what very large European nation? "

And do you know the answer to this one? "The Rocky Mountains are in which continent?"

43% knows the answer to this question: "Who sang 'Don't Go Breaking My Heart' with Elton John in 1976? "

And do you know the answer to this one? "Who sang "House of the Rising Sun"?"

56% knows the answer to this question: "What is a young deer called? "

And do you know the answer to this one? "Which of these is a city in Texas?"

60% knows the answer to this question: "Which of these musicians is a member of The Rolling Stones? "

And do you know the answer to this one? "What was the name of the American inventor who is regarded as the inventor of the light bulb, alongside Sir Joseph Swan?"

40% knows the answer to this question: "What is the brand of this car logo? "

And do you know the answer to this one? "What is the brand of this car logo?"

89% knows the answer to this question: "What is damage to the brain called, in a medical context? "

And do you know the answer to this one? "What helps reduce tooth decay?"

54% knows the answer to this question: "While working in Paris in 1921, American bartender Fernand Petiot mixed equal parts vodka and tomato juice to create what drink, named for a customer of his at Chicago's Bucket of Blood nightclub? "

And do you know the answer to this one? "Which Stewart had a 1993 hit with 'Have I Told You Lately'?"

66% knows the answer to this question: "Had the previous night's rain not delayed Napoleon's attack until noon of June 18, 1815, he might well have won what battle? "

And do you know the answer to this one? "What was the name of President Richard Nixon's second Secretary of State?"

51% knows the answer to this question: "What Christmas carol's chorus is "pa-rum-pa-pum-pum"? "

And do you know the answer to this one? "Geico's mascot is a gecko. Geico is an insurance company. But what is a gecko?"

89% knows the answer to this question: "What is an electrical tracing of the heartbeat or heart rhythm called? "

And do you know the answer to this one? "Which medical term means "not malignant, usually without serious consequences"?"