In motor racing, what does a yellow flag mean?

More Questions:

What four-letter word describes an arena for public roller-skating?

What are you doing if you "yarn over" or "pop corn"?

What's the name of Barbie Doll's boyfriend?

Rodin's "The Thinker" is believed to be a portrait of what Italian poet?

Whose "Coffee Cantata" concerns a girl whose father demands she loses her addiction to coffee before marriage?

Who won a Nobel Prize for discovering Prions?

What name is given to the device which consists of a frame with parallel wires carrying beads used for computation?

Who played Lieutenant Saavik in "Star Trek II: The Wrath of Khan"?

Who danced alongside Shirley Temple in the motion picture "Captain January"?

Who played the blind character in the movie "A Patch of Blue"?

In which film did Michael Douglas play the part of Gordon Gekko?

In the "Great Upheaval', three quarters of what people were forcibly removed from Nova Scotia?

In 1967, what company introduced the first consumer model of microwave oven designed for home use?

In what year was the first opera created?

What animal lives in a holt or couch?