Did you know that celery have negative calories - it burns more calories eating a piece of celery than it actually gives you?
Did you know that polar bears actually have black skin and transparent fur, light reflects off of the transparent fur which makes it look white (same for ice and snow), and because the fur is so thick you cannot see any of the black skin except around the mouth?
Did you know that bats always turn left after leaving a cave?
Did you know that camels have three eyelids to help protect their eyes from sandstorms?
Did you know that the term "rule of thumb" was originally an old English term meaning that a man could only beat his wife with nothing bigger than the width of his thumb?
Did you know that your eyeballs stay the same size from the moment you're born, but your nose and ears continue to grow until the day you die?
Did you know that if you act like you're shaking salt onto your tongue, you will actually taste salt?
And finally, did you know that all of the above questions are facts except the last one, which makes you look like you're performing fellatio?
These are all just facts that come to mind right now, I know a load of weird things like also, on average a cow produces 200,000 glasses of milk in its lifetime and that Henry Ford didn't invent the car, a German man called Karl Benz (as in Mercedes-Benz) invented the car over 50 years before Ford invented the production-line.
Oh and also, an interesting fact. Echolalia is the involuntary repetition of what another person says, whereas echopraxia is the involuntary repetition of another person's movements.
I'll stop before my head begins to hurt.