31% knows the answer to this question: "You can eat this thistle's "heart," the fleshy lower portions, but you are more likely to eat its unopened flower buds. What is it? "

And do you know the answer to this one? "What thin, unleavened flat bread has a name that means "little cake" in Spanish?"

54% knows the answer to this question: "Poet and engineer Joseph Strauss designed what art deco bridge, which was the longest suspension bridge span in the world when it was completed in 1937? "

And do you know the answer to this one? "Despite having had his security clearance revoked in 1954, the Department of Energy awarded me the Fermi Award in 1963 for "contributions to theoretical physics as a teacher and originator of ideas, and for leadership of the Los Alamos Laboratory and the atomic energy program." Who am I?"

74% knows the answer to this question: "Semifreddo is half ice cream and half whipped cream, so its name means "half cold" in what language? "

And do you know the answer to this one? "Illusionary artist M.C. Escher drew a famous image of a hand on paper drawing what?"

40% knows the answer to this question: "What is the correct name of the Foo Fighter's 1999 album? "

And do you know the answer to this one? "In 2006, an all-female cast took on the life of a British prime minister in what musical, in which each cast member played one of nine incarnations of the protagonist?"

55% knows the answer to this question: "What is the name of the port city at the eastern end of the Trans-Siberian Railway? "

And do you know the answer to this one? "Which of these battles was not fought during the American Civil War?"

63% knows the answer to this question: "The Battle of St. Pierre took place in which French-Canadian colony? "

And do you know the answer to this one? "Kemal Ataturk was a member of the Committee of Union and Progress, one of the factions known by what name?"

87% knows the answer to this question: "Angora cats, sheep and goats are named for the Ankara region of what country? "

And do you know the answer to this one? "How many lower chambers are there in the human heart?"

87% knows the answer to this question: "Who wrote the book "Desperation"? "

And do you know the answer to this one? "The word "lobster" takes its name from the Latin for which insect?"

30% knows the answer to this question: "What Japanese menu item, popular with vegetarians, has a name that literally means "fermented bean"? "

And do you know the answer to this one? "In 2010 UNESCO recognized the healthy Mediterranean diet as an Intangible Cultural Heritage of Italy, Greece, Spain and what African country?"

45% knows the answer to this question: "Andy Warhol's art career began after he received a college degree in what? "

And do you know the answer to this one? "Diego Rivera graduated from painting on large canvases to painting what?"

51% knows the answer to this question: "What ocean liner sank in 1912 because its center propeller didn't work in reverse, crippling the rudder; because the compartments in the hull were not in fact watertight; and because the steel's high slag made it brittle in the cold? "

And do you know the answer to this one? "What is the full title of Roald Dahl's book 'James and the Giant...'?"

71% knows the answer to this question: "On June 14, 1940, Nazi troops entered what city, leading to the resignation of Premier Paul Reynaud soon thereafter? "

And do you know the answer to this one? "Which country was formerly known as Siam?"