The two i always tell people (because i know that they are true)
-A pig's orgasm lasts for 22 minutes - not the half an hour most forwards of trivia will tell you (i know this because mum's degree is in rural science... guess what she had to do
)
- Cat's urine glows under black light
And here is something i only learnt recently (in a German exam of all places...)
Birmingham (UK) has more canals than venice!!!