55% knows the answer to this question: "What sugar-regulating human hormone was first isolated in 1922? "

And do you know the answer to this one? "Which smartphone app was downloaded more than 1 million times in 2013?"

44% knows the answer to this question: "What pasta comes as broad, ruffled sheets, baked in layers with cheese, tomatoes and (generally) meat? "

And do you know the answer to this one? "What are kid's meals called at McDonald's?"

55% knows the answer to this question: "A bartender at Hotel Metropole in Brussels is credited with creating what cocktail in 1949, when he mixed vodka and coffee liqueur? "

And do you know the answer to this one? "Which flag, used by pirates, featured a skull and cross-bones?"

59% knows the answer to this question: "Which of these is a city? "

And do you know the answer to this one? "Fed by the Darling and Murrumbidgee rivers, the Murray forms much of the Victoria-New South Wales border. It's also what country's longest river?"

73% knows the answer to this question: "The definition of "an experiment in patients" best fits which medical term? "

And do you know the answer to this one? "What would an unexpected or abnormal function be called?"

89% knows the answer to this question: "What is a crown? "

And do you know the answer to this one? "Which band fronted by Thom Yorke released "The King of Limbs" in 2011?"

62% knows the answer to this question: "Before reaching the adult stage, which of these creatures undergoes metamorphosis? "

And do you know the answer to this one? "Who did singer Beyoncé marry in 2008?"

30% knows the answer to this question: "Auld Lang Syne is based on a Robbie Burns poem. When is it usually sung? "

And do you know the answer to this one? "Who sang songs 'I Will Always Love You', 'I Have nothing', etc for the 1992 movie 'The Bodyguard'?"

88% knows the answer to this question: "What two colors are associated with Christmas? "

And do you know the answer to this one? "Who is the "gift-giver" in France on Christmas?"

67% knows the answer to this question: "Which type of warfare is particularly associated with World War I? "

And do you know the answer to this one? "What is the name of the royal residence located in Kensington Gardens?"

78% knows the answer to this question: "Mother's Day "

And do you know the answer to this one? "In which desert was there no rain for 10 years?"

72% knows the answer to this question: "Who co-authored the famous pamphlet 'The Communist Manifesto' with Friedrich Engels? "

And do you know the answer to this one? "What body of water does the Rio Grande flow into?"