always had a soft spot for, I guess what you would call educational(?), jokes. Jokes to do with maths and the likes.
best two I've heard recently
My dad once told me i had a lot of potential, right before he pushed me off the balcony.
&
(not so much a joke, but I like it)
sodium sodium sodium sodium sodium sodium sodium sodium BATMAN!
anyone else out there with an awful sense of humour?