What's the binary representation of the decimal number 5?

101

In the Pixar movie "Up", what is the name of the boy who accompanies Carl on his adventure? What type of pastry is traditionally used to make croissants? Which European city hosted an infamous witch trials period from 1692–1693? Which famous Soviet cosmonaut became the first human in space? Which defensive team had a famous nickname 'The Steel Curtain'?