Misc: What two-word pen-name is used by American etiquette expert Judith Martin?

Questions

Chemically pure gold contains how many karats?

What is the surface area inside the average adult human lung (in square feet only)?

On which Beatles album does the hit "Ticket to Ride" appear?

Who wrote the stories on which Disney's, "Jungle book" is based"?

What is the significance of the temperature in the title of the 1960's science fiction film "Fahrenheit 451?