55% knows the answer to this question: "Who sang the famous song "California Dreamin'" (1965)? "

And do you know the answer to this one? "Who sang the famous song "Theme From 'New York, New York'" (1980)"

45% knows the answer to this question: "Mary I, daughter of Henry VIII, was called Mary Tudor. Catholics wanted her to be succeeded by Mary Stuart, grand-niece of Henry. She was also known by what name? "

And do you know the answer to this one? "In a 1995 Panorama interview, who famously confessed to Martin Bashir, "There were three people in this marriage, so it was a bit crowded"?"

53% knows the answer to this question: "What is made by white blood cells to help fight off infection? "

And do you know the answer to this one? "What is the potential energy in the nucleus of an atom called?"

81% knows the answer to this question: "Extending from Kingsdown to Capel-le-Ferne in England, it is visible from Cap Gris Nez in France and composed mainly of coccoliths. What? "

And do you know the answer to this one? "What popular Japanese food is often served with sweet, pickled ginger, wasabi, and soy sauce?"

49% knows the answer to this question: "Memphis International Airport is located in what U.S. state? "

And do you know the answer to this one? "Belgium is known for what pale ale, often made with pilsner malt, whose name suggests that it "has more fun"?"

67% knows the answer to this question: "The frankfurter wiener gets its name from two different cities, where the locals speak what language? "

And do you know the answer to this one? "In Brazil, fejoda is this pig part, pickled. Americans eat it as trotters. What pig part is it?"

81% knows the answer to this question: "Vienna is the capital of which European country? "

And do you know the answer to this one? "Where is the Eurotunnel?"

73% knows the answer to this question: "What emperor, Russia's first, died when he leaped into the cold Gulf of Finland to save some drowning sailors? "

And do you know the answer to this one? "How many times has an Atomic Bomb been used in history?"

40% knows the answer to this question: "What is the name of the digital music service started by Apple in 2001? "

And do you know the answer to this one? "One of these is a real city, which one?"

30% knows the answer to this question: "The Secret Service was powerless when what wildlife attacked Secretary of State Hillary Clinton as she left a Malawi airport in 2012? "

And do you know the answer to this one? "Neuromorphic engineering develops computers that mimic something. What?"

76% knows the answer to this question: "Cradle cap affects which part of the body? "

And do you know the answer to this one? "Who wore an eye patch in the movie "True Grit"?"

50% knows the answer to this question: "Which big wheel is a major tourist attraction in London? "

And do you know the answer to this one? "Who was the director of the famous 1958 movie 'Vertigo'?"