The US shares a border with how many countries?

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Which artist's song was the 10 billionth iTunes download?

What color is vermilion a shade of?

What title character of a classic 1891 novel is arrested at Stonehenge?

Which literary work's title character is named Isabel Archer?

What is the main currency on the island of Oahu?

What country borders Guatemala to the north?

What popular aquarium fish is known as pla-kad in its native Thailand?

By what name is the spinal disease "amyotrophic lateral sclerosis" better known?

What approximate distance is the Astronomical Unit based off of?

What movie did the villain Regina Giddens appear in?

What game was the game show "Pantomime Quiz" based on?

What actor, despite playing a small role, received top billing in 1978's "Superman" movie?

Who won a 1991 best male vocalist Grammy despite having died in 1988?

Which UN Secretary-General was killed in an airplane crash in 1961?

Who wrote the 1981 novel "Who Censored Roger Rabbit?"?