That blue star symbol isn’t random, and in fact, it’s an important part of modern, standard emergency medicine services. Read on to find out what it means and how it became a universal symbol.

For example, in some buildings, the star next to the ground floor might indicate that it's a designated emergency or service access floor. In buildings with multiple levels of parking garages ...

At least 40 city and state flags have adopted or are considering new flag designs featuring the unfamiliar symbol that has rarely appeared in American iconography, if ever.