What does P.S. stand for at the end of a letter?

More Questions:

Which bird is the national bird of Argentina?

What type of surface is curling played on?

In which direction do speed skaters race?

Whose still-life painting, "Rideau Cruchon et Compotier', sold for $60.5 million in 1999?

Mount Suribachi is the highest point where?

What is the capital of Catalonia?

What cave, found in central Kentucky, is the world's longest cave system?

What did Pieter van Musschenbroek create at a namesake Dutch university in 1746 by lining a glass jar with silver foil?

The tranquilizer diazepam is better known by what trademarked name?

What percentage of air is composed of nitrogen?

Who played the role of T.E. Lawrence in the 1962 movie "Lawrence of Arabia"?

How many legs does the catbus have in "My Neighbour Totoro"?

Who did Michael Caine play in the 1965 film "The Ipcress File"?

Rogers is the last name of which Scooby-Doo character?

Which war included an infantry assault known as Pickett's Charge?