Here are some randomly selected joke topics
Obesity
New study of obesity looks for larger test group
Think
I used to think.
What made you stop?
Teachers
Did you hear about the cross-eyed teacher?
She couldn't control her pupils!
Captain Kirk
How many ears has Captain Kirk got?
Three - his left ear, his right ear, and the final frontier!
Light Bulbs
How many boring people does it take to change a light bulb?
One.
Remember
Knock, knock.Who's there?
Snow.
Snow who?
Snow good, I can't remember.
Waiter
Waiter, waiter, this food isn't fit for a pig.'
'Very good sir. I'll go and get you some that is.'
Relatives
What type of person lives the longest?
A rich relative.
Waiters
What do you get when you cross a hen and a waiter?
A hen that lays tables.