What is the name for the soft white layer that forms on teeth?

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The Nobel Prize for Literature is presented in what Scandinavian city?

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What children's classic first chapter is titled "In the Drain"?

What river flows through Utah's Glen Canyon?

Which country's capital is Belmopan?

How old was astronaut Neil Armstrong when he passed away in 2012?

What color does blue litmus paper change to in acid?

In the Steve Miller song "The Joker', what men’s name do "some people call him"?

What future star played Natalie Portman's stand-in queen in "Star Wars Episode I: The Phantom Menace"?

What Al Pacino movie portrayed a bank robbery on August 22, 1972?

Who played Ashley Judd's husband in the 1999 movie "Double Jeopardy"?

During WWI how did the Germany Army make ammonia for explosives?

Who created the New Model Army?

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Where were the Pillars of Hercules located?