On Homeland Security's Color-Coded Advisory System, what does the color blue mean?

More Questions:

What magazine began publishing its annual list of the 500 most-successful companies in the US in 1955?

What is the Wankel engine typically referred to as?

What is tripe on a menu?

Nelis, Seckel, Forelle and Bosc varieties of what?

Who wrote the novel "Gone with the Wind"?

Whose first novel was titled "This Side of Paradise"?

Which is the largest state in the US?

What is another term for the sternum?

How much does the adult giraffe heart weigh?

What do all mammals have?

Who is Bugs Bunny's archenemy?

What TV sitcom followed the lives of June, Ward, Wally and Theodore?

What was banned in the US under the terms of the 18th Amendment?

Which country saw the Mau Mau Uprising?

Wayne Brazel shot and killed what Western figure?