What gives beer its distinctive bitter flavour?

More Questions:

Which Saint is said to have carried his own head for six miles after his death?

Klaxon horns were used on what type of vehicle during World War II?

Which items are melting in Salvador Dali's painting "The Persistence of Memory"?

What Broadway musical featured the song "Chicago"?

For whom did Robert May write the story of Rudolph the Red-nosed Reindeer?

In what part of the body would you find aqueous humour?

What do x and y chromosomes combine in making?

Which film won an Oscar for Best Visual Effects in 1990?

Which very successful pop duo consist of Roland Orzabal and Curt Smith?

What was the name of the club in Liverpool made famous for the Beatles early appearances?

What 1968 hit was the first to include the phrase "heavy metal" in its lyrics?

Frank Wathernam was the last inmate to leave what infamous prison?

What was the primary source of food for the Comanche Indians?

In the opera "Don Giovanni", what was Leporello job?

What did Frosty the Snow man have for a nose?