43% knows the answer to this question: "What do human adults usually have 32 of? "

And do you know the answer to this one? "What can cause tonsillitis?"

39% knows the answer to this question: "As of 2007, which of these bird species is already gone, having last been seen off Iceland in 1844? "

And do you know the answer to this one? "What does a photovoltaic cell convert into electricity?"

54% knows the answer to this question: "A Peter Paul Rubens work shows a mythological boy who shares his name with which French city? "

And do you know the answer to this one? "Edouard Manet created shapes using blocks of color instead of giving them what?"

83% knows the answer to this question: "Where was the world's first human heart transplant performed in 1967? "

And do you know the answer to this one? "In the music video for "Justify My Love," who kisses former Roxy model Amanda Cazalet, who is dressed as a man?"

91% knows the answer to this question: "The Battle of the Somme took place during which conflict? "

And do you know the answer to this one? "What country did General Manuel Noriega run in the 1980's?"

52% knows the answer to this question: "What is another name for a volt-ohm meter? "

And do you know the answer to this one? "What can you measure in units of Pascal, Torr, or Bar?"

55% knows the answer to this question: "Who recorded the hit single "The Reflex" in 1984? "

And do you know the answer to this one? "Who popularised the classic love song "You are so Beautiful"?"

94% knows the answer to this question: "Ill Be Missing You by Puff Daddy featured which song by The Police? "

And do you know the answer to this one? "As James Gandolfini would've known, what is the highest register among normal human voices?"

48% knows the answer to this question: "Which of the following animals is not a member of the Order Carnivora? "

And do you know the answer to this one? "A Swedish ship, the Baychimo, was abandoned, but broke free of ice in 1914 and was still seen 55 years later above water. Where?"

55% knows the answer to this question: "A teenage girl once wrote to Einstein to ask for help with what? "

And do you know the answer to this one? "In European history, which country was at civil war in 1936?"

79% knows the answer to this question: "What was President Reagan's first name? "

And do you know the answer to this one? "What was T E Lawrence famously known as?"

76% knows the answer to this question: "In which country is the Copenhagen Airport located? "

And do you know the answer to this one? "What disgusting thing will a wine buff do after taking a sip, and not even get thrown out of the wine bar?"