Some Interesting Facts:

It is impossible to lick your own elbow. (don't try this)
A crocodile can't stick its tongue out. (neener-neener!)
In a study of 200,000 ostriches over a period of 80years,
   no one reported a single case where an ostrich buried it's head in the sand. (unless it's dead...)
It is physically impossible for pigs to look up into the sky. (even if they are flying)
A pregnant goldfish is called a twit. (or just preggos)
Rats and horses can't vomit. (what about pigs?)
Wearing headphones for just an hour will increase the bacteria in your ear by 700 times. (how about techno?)
The cigarette lighter was invented before the match. (movie film was developed before b&w prints)
Thirty-five percent of the people who use personal ads for dating are already married.
A duck's quack doesn't echo, and no one knows why. (because ducks are not real)
A quarter of all photocopier faults worldwide are caused by people sitting on them and
   photocopying their buttocks. (this explains so much about office life)
In the course of an average lifetime you will, while sleeping, eat 70 assorted insects and 10 spiders. (and one iguana)
Most lipstick contains fish scales. (cigarettes are still worse)
Cat's urine glows under a black-light. (did someone find this out at a rave?)
Everyone's tongue print is different. (tasty ID scanners at CIA?)
I bet you tried to lick your elbow!