58% knows the answer to this question: "What part of the microscope do you look through to see specimens? "

And do you know the answer to this one? "If you're like most people, what can't you do with your eyes open?"

39% knows the answer to this question: "In which country is the Copenhagen Airport located? "

And do you know the answer to this one? "What are the body's smallest blood vessels called?"

38% knows the answer to this question: "Which screen idol died in 1955, having only starred in three films? "

And do you know the answer to this one? "Which President married Jacqueline Lee Bouvier in 1953?"

87% knows the answer to this question: "As the story goes, the first time Norma Jean Baker signed an autograph under her stage name, she had to ask how it was spelled. Can you spell it? "

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

49% knows the answer to this question: "What is the most populair flower to give to your love on Valentine's Day? "

And do you know the answer to this one? "Which planet did the Babylonians dedicate to the love goddess Ishtar?"

92% knows the answer to this question: "The Elephant Parade features 44.5-ft-elephant sculptures, and began in what Dutch city? "

And do you know the answer to this one? "What musical produced a Spanish version called "Vaselina"?"

49% knows the answer to this question: "Ravi Shankar provided sitar music for what 1962 movie, in which the title character rescues the local elephants from a power dam project? "

And do you know the answer to this one? "Who directed his wife, Joanne Woodward, in the 1968 movie Rachel, Rachel and first co-starred with her in Rally 'Round the Flag Boys?"

89% knows the answer to this question: "What is the missing word: Even a ... will turn "

And do you know the answer to this one? "What is the missing word: If ... were horses, beggars would ride"

83% knows the answer to this question: "Despite being mostly empty calories, a bar of what substance (the darker the better) has as many polyphenols as a glass of red wine? "

And do you know the answer to this one? "Rembrandt was Dutch, and Rembrandts are late-blooming varieties of what perennials, associated with the Dutch?"

75% knows the answer to this question: "Your vet has given you a weed from the mint family called Nepeta cataria. But what do most of us call it? "

And do you know the answer to this one? "What reduces the efficiency of machines, because it turns kinetic energy into heat?"

83% knows the answer to this question: "Which word is spelled wrong? "

And do you know the answer to this one? "Which word is spelled wrong?"

56% knows the answer to this question: "After being blown away at a demo at Xerox's Park in December 1979, Steve Jobs co-founded what "insanely great" company in his parents' garage, in Los Altos, California? "

And do you know the answer to this one? "Which word is spelled wrong?"