What's the difference between a politician and a snail?

What Washington D.C. landmark is great at punctuation?

What grade did the NASA employee get on her exam?

What do eye doctors do in their spare time?

Why did the turtle cross the road?

What is the name of the story that combines science and Christianity?

Why was everyone surprised when the engineer had a bad temper?

Why are the Middle Ages sometimes called the Dark Ages?

Why do the Moon and the Earth get along best during the summer?

What is the difference between fleas and dogs?

Why was the goat sad when her son went to college?

Knock knock. Who's there? Nobel. Nobel who?

My Valentine this year is a goalie.

What did the mother worm say to the little worm who was late?

Which superhero is here to solve world hunger?