30% knows the answer to this question: "Sir Alexander Fleming is credited with this discovery? "

And do you know the answer to this one? "Which of these is not a Pacific salmon, but is instead a kind of trout that anglers love because of the fight it puts up when it gets caught?"

57% knows the answer to this question: "How does insulin travel around the body? "

And do you know the answer to this one? "Who was the first President of the Russian Federation, serving from 1991 to 1999?"

69% knows the answer to this question: "Some define the Arctic as being the 50-degree isotherm, where the average summer temperature is roughly where the tree line is. What is this area called? "

And do you know the answer to this one? "Back in the 1970s, which of these items might have been quadraphonic?"

87% knows the answer to this question: "In which city did Julius Caesar die? "

And do you know the answer to this one? "In 2012, which country held its first election following the death of Muammar Gaddafi?"

52% knows the answer to this question: "What Khmer capital was reclaimed by the jungle sometime after the Thais conquered it in 1431? "

And do you know the answer to this one? "What US national park has about half the world's roughly one thousand geysers?"

37% knows the answer to this question: "Chiropody is the old name for podiatry, a medical speciality involving what? "

And do you know the answer to this one? "Proverbially, "it takes two" to do what dance of Argentinean origin?"

43% knows the answer to this question: "When Christopher Columbus first landed in Jamaica in 1494, who claimed it as a territory? "

And do you know the answer to this one? "A 1562 ordinance against public ostentation turned what city's famous gondolas black?"

34% knows the answer to this question: "What does a carnivore eat? "

And do you know the answer to this one? "In a survey in the early 1990s, what French Riviera nation had the world's highest number of Rolls Royces per capita?"

63% knows the answer to this question: "Who lives in the Palais de l'Élysée, at 55 Rue du Faubourg Saint-Honore, not far from the Champs-Élysées? "

And do you know the answer to this one? "Which word completes this classic lyric: 'There's a tear in my beer, Cause I'm crying for you _____'?"

57% knows the answer to this question: "Which fruit has a fuzzy skin? "

And do you know the answer to this one? "Finish The Lyric: "Yesterday, all my troubles"?"

66% knows the answer to this question: "Which of these is smallest? "

And do you know the answer to this one? "The isle of Ireland is nicknamed for this variety of beryl. Like Ireland, this gem is associated with tranquillity. (Hmmm ... maybe not.) What is it?"

69% knows the answer to this question: "Which of the following is a fish? "

And do you know the answer to this one? "Which animal provides the majority of the world's milk supply?"