66% knows the answer to this question: "Who was Antonie van Leeuwenhoek? "

And do you know the answer to this one? "Which London street is the busiest shopping street in Europe?"

46% 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?"

79% knows the answer to this question: "What type of medication stops germs growing? "

And do you know the answer to this one? "Hayden grew 34 pumpkins in his vegetable patch. Rabbits ate 4 of the pumpkins, and Hayden sold 9 of them. How many does he have left?"

51% knows the answer to this question: "Which animal produces a terrible odor? "

And do you know the answer to this one? "Which item is part of the grains group?"

47% knows the answer to this question: "What sort of geographical features are the Tigris and the Euphrates? "

And do you know the answer to this one? "In which movie did Heath Ledger play the character Sir William Thatcher?"

55% knows the answer to this question: "What pop music group consisted of Anni-Frid Lyngstad, Björn Ulvaeus, Benny Andersson and Agnetha Fältskog? "

And do you know the answer to this one? "Nadia Comaneci earned perfect scores in which sport in 1976?"

41% knows the answer to this question: "Which of these words means "to examine carefully"? "

And do you know the answer to this one? "The earliest surviving man-made sculptures are made of what?"

71% knows the answer to this question: "What creme-filled cookie did Nabisco introduce in 1912? "

And do you know the answer to this one? "London's Theatre-land is also known by which name?"

52% knows the answer to this question: "The Roman God of what? the sea was called "

And do you know the answer to this one? "Which fruit will turn brown when cut?"

90% knows the answer to this question: "The longest river solely within England is which one? "

And do you know the answer to this one? "Who sang the famous song "Mama Said" (1961)?"

38% knows the answer to this question: "Which country has borders with the USA, Guatemala and Belize? "

And do you know the answer to this one? "In which US state is the city of Chicago?"

70% knows the answer to this question: "In what country was Peugeot founded in 1889? "

And do you know the answer to this one? "By what names are the train and bank robber duo Robert LeRoy Parker and Harry Alonzo Longabaugh better known?"