56% knows the answer to this question: "What determines how loud or soft a sound is? "

And do you know the answer to this one? "Which species best matches this description, "glide from trees, using a loose flap of skin between their legs and arms"?"

59% knows the answer to this question: "Famous in the First Gulf War, how was General Norman Schwarzkopf usually described? "

And do you know the answer to this one? "What is the missing word: Better safe than ...."

52% knows the answer to this question: "Which daughter of Zeus was considered the most beautiful woman in the world? "

And do you know the answer to this one? "Which Greek philosopher was a boyhood tutor to Alexander the Great?"

84% knows the answer to this question: "Humans are omnivores and therefore eat what? "

And do you know the answer to this one? "What fluid-filled sac surrounds the human embryo?"

36% knows the answer to this question: "Someone describes as sedentary spends a lot of time doing what? "

And do you know the answer to this one? "REM is a normal stage of sleep, what does REM stand for? "

69% knows the answer to this question: "Famous as a party destination, what "drunken" New Orleans street is found between Canal and Esplanade? "

And do you know the answer to this one? "Who sang the famous song "Moonlight Becomes You" (1943)?"

61% knows the answer to this question: "What aromatic leaf from the laurel tree is used as a herb? "

And do you know the answer to this one? "What color do you get by mixing blue and yellow?"

35% knows the answer to this question: "Of these cities, which is in England? "

And do you know the answer to this one? "The study of growing gardens, orchards and ornamentals is known as what? "

34% knows the answer to this question: "Which two Japanese cities were bombed by atomic bombs in World War II? "

And do you know the answer to this one? "Kate Middleton is known as Countess of Strathearn when she is in what country?"

56% knows the answer to this question: "Who sang the famous song "Think" (1968)? "

And do you know the answer to this one? "Who sang the famous song "Bad Moon Rising" (1969) ?"

62% knows the answer to this question: "Ships have crossed this body of water for centuries. In 1785, it was first crossed by air, in a balloon. In 1875, Matthew Webb swam across it. What is this place? "

And do you know the answer to this one? "A public square called Campus Martius is part of the effort to rebuild what US city, devastated by the decline of its auto sector?"

74% knows the answer to this question: "The huge Ferris wheel beside the River Thames in London is known by what name? "

And do you know the answer to this one? "Which of these mammals lays eggs?"