Why do biologists look forward to casual Fridays?

Why did the teacher lead a marine biology seminar?

If H2O is the formula for water, what is the formula for ice?

Why is it safe to tell a mummy your secret?

Did you hear about the Labor Day joke?

How are teens like cats?

What is the first day of orientation called for locomotive conductors?

Why did the kid bring a ladder to school?

Why do rabbits make good jewelers?

What kind of dog does Dracula have?

Who won the race between two balls of string?

Why did the sisters start stealing from stores together?

What do you get if you cross a cat with a tree?

What was so bad about the Fourth of July picnic?

Why do crabs never give to charity?