These are interesting times in which to live. The world is changing around us, and we don't know what it will look like in five to ten years. That thought can be frightening, but it also can be intriguing; it depends on your point of view.
Every once in a while, it behooves us to put things in perspective. This week's video (2 1/2 minutes long), which has been widely seen on the Internet, shows how planets compare to one another (and to stars) in size. As you watch it, keep in mind the biggest problems you are currently facing. It may make you feel better.