Colour.

What is the difference between colour and color? Why, a U of course. Sadly, that is not all. Though most people do not know it, colour is also... well, maybe I shouldn't tell you. You could have nightmares. I mean, if I accidentaly let it slip that colour is the second word in the scientific name for a lemon-headed aardvark, then it would be very dangerous. Oh well, I am sorry to say that you can't know that colour is the second word in the scientific name for a lemon-headed aardvark.

Thank you for listening to my random babbles.