In "Men in Black," what's the device used to erase memories called?

Neuralyzer

What Greek god is associated with the sun, music, and prophecy? Who almost killed his son Jonathan inadvertently due to a rash vow about not eating before victory? In the Halloween folklore, witches fly on what objects? Who wrote and recorded the song "American Pie"? What is the name of the fictional wizarding school in "Harry Potter" that Viktor Krum attended?