This was puzzling, but I soon realized the problem: I had neglected to tell the class that I was implementing a third pattern in addition to MVC and DAO.

Your ideas seem very obscure to me.

Dawson and his students hope to solve one of the most puzzling aspects of the world’s oceans: where they get all their energy.

Thanks to Google Earth and puzzling new TSA rules, all you need to know to get on a plane these days is the color of your house.

Puzzling Observation 2: Americans do/do not care about the environment.