33% knows the answer to this question: "French scientist Leopold Trouvelot brought what pest to Massachusetts, which got loose and started eating its way through New England's trees? "

And do you know the answer to this one? "The pericardium is a lining around which organ?"

56% knows the answer to this question: "What river is also called Old Man River and the Big Muddy? "

And do you know the answer to this one? "What is the traditional color to wear to a funeral in the United States?"

59% knows the answer to this question: "What kind of human cells did scientists successfully clone for the first time in 2013? "

And do you know the answer to this one? "At a 1998 conference, what single currency did 12 European nations agree to adopt?"

69% knows the answer to this question: "The four-leaf clover, which symbolizes good luck, is what color? "

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

48% knows the answer to this question: "Which is an old school arcade style casual game you chop wood and avoid the branches? "

And do you know the answer to this one? "Breathing through a tube that touches the surface while swimming is known as what?"

48% knows the answer to this question: "What name was given to a ruler of Ancient Egypt? "

And do you know the answer to this one? "What was the name of the Soviet Union's infamous national security agency between 1954 and 1991?"

51% knows the answer to this question: "What region makes up 75% of Russia? "

And do you know the answer to this one? "Which country used to be called Persia?"

32% knows the answer to this question: "What killed Otis Redding (and the Bar-Kays), Buddy Holly and most of the Winter Dance Party, Patsy Cline, Rick Nelson, Jim Croce, most of Lynyrd Skynyrd, Aaliyah and Stevie Ray Vaughan? "

And do you know the answer to this one? "What animal builds canals and multi-chambered homes called lodges, using wood that they gnaw so it doesn't crush them?"

51% knows the answer to this question: "Match species with this description, "brightly-colored, flattened fish that live in shallow warm waters"? "

And do you know the answer to this one? "Which of these was a large, elephant-like animal that lived during the ice ages?"

32% knows the answer to this question: "Who sang the famous song ”Blueberry Hill” (1956)? "

And do you know the answer to this one? "Who sang the famous song ”Jolene” (1973)?"

32% knows the answer to this question: "Which animal is called the ship of the desert? "

And do you know the answer to this one? "What is the collective name for the religiously sanctioned military campaigns that were waged by large parts of Catholic Europe in the 11th, 12th and 13th centuries?"

50% knows the answer to this question: "What do you use to hang clothes on a clothesline? "

And do you know the answer to this one? "What piece of furniture has a flat top supported by one or more legs?"