Which drug can be extracted from the bark of the cinchona tree?

More Questions:

What century did curling originate in Scotland?

What superteam includes Angel, Beast, Cyclops, Iceman and Marvel Girl?

In one myth, what dance was first performed by Hi'iaka to appease the volcano goddess, Pele?

The city of Muskogee is located in which US state?

Which US state is home to White Sands National Monument?

What is a calm ocean region near the equator called?

What are the three main types of sugar?

Which member of the cat family cannot retract its claws?

Who does Fred Savage play on the TV show "The Wonder Years"?

Who released an album called "Ghost in the Machine"?

At what age did Robert Downey Jr. study ballet in England?

Who played the role of Charlie Runkle on the TV show "Californication"?

Whose scary movie character has the real name of Charles Lee Ray?

Who, per her dying wish, is buried next to Wild Bill Hickok?

What did the 13th Constitutional Amendment ban?