What is it that turns red litmus paper blue?

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In chess, which piece only moves diagonally?

What dish, named for a famous general, is coated in foie gras, mushrooms, and puff pastry?

What is a clarsach?

Who wrote the lyrics of the Christmas carol "Silent Night"?

What bird is New Zealand's national symbol?

What is the most obvious physical difference between snails and slugs?

Galena is a major ore of which metal?

What color is malachite?

What actor played the role of Ichabod Crane in the 1999 movie "Sleepy Hollow"?

Who took the crown from Pope Pius VII's hands and physically crowned himself emperor?

What was the name of Hannibal's father?

The Nuremberg Trials were held during which years?

What general family are orcas in?

Which organ secretes insulin?

Who painted "The Starry Night"?