puzzle

Data from Voyager II has presented astronomers with a puzzle about why our outermost planet exists.

You just defeated Nazism with a crossword puzzle.

Ok, so what's the puzzle?

And this has presented climate scientists with a puzzle.

So really we are working with just a few pieces of a big puzzle.

The puzzle defied solution.

Well, I'm really quite excellent at crossword puzzles.

So there’s reason to believe that we will get an answer to that piece of the puzzle one day.

And the puzzle is how does the click sounds get transmitted into the water?

Uh, you know, I recently read an interesting article about an archaeologist who tried to solve this puzzle with the help of his computer.

I am puzzled by his failure to reply.

And then they were puzzled as to why it didn’t seem to be happening.

The problem that has puzzled scholars for centuries is how were these blocks lifted up the height of this massive structure and then fit into place and without the benefit of modern technology.

I've been puzzling over all the figures, trying to find what happened to the missing money.