Which dessert made from meringue, cream, and fruits was named after a Russian ballerina?

Pavlova

Who was the leader of the Titans, overthrown by his own son Zeus? In 'Call of Duty: Zombies', what's typically used to barricade doors and windows against zombies? What magical object does Rita Skeeter use to spy on students? What type of rock forms when sediments are cemented together through compaction? What is the northernmost capital city in the world?