Jeff J Mitchell/Getty ImagesDoing my best to make you just a little bit smarter.  Did you know?

Centuries ago, streets in Europe were made of clay.  When it rained, poor people would go out and did up clay to make pottery.  This would leave holes in the street where the clay was removed.  This is where the term pothole came from.

So, there you go, you are now just a bit smarter than you were a minute ago.