Reaching to open a door and having the knob actually come off in your hand is like a scene out of a silent movie, but it's something many of us have experienced. When this happens, your first ...

With a little know-how and the proper terminology, you can keep those doors swinging open and shut.

Pause, make three air circles with your right foot, and then ask the door for permission. This is how one shows respect to a Finnish door.