Why does that family that only wears denim look so young?

Why did the biologist break up with the physicist?

Why did electricity win the race?

Why aren't there any knock-knock jokes about the United States?

Why are dogs allowed on airplanes?

How do elephants talk to each other from long distances?

What kind of motor vehicle is in the Bible?

Why was the caboose always sneezing?

Why did the train always get heated in an argument?

Why is the coffee bean so sensitive?

Why does Santa love to work in the garden?

What do you get if you cross a sheepdog with a jelly?

If athletes get athlete's foot, what do astronauts get?

Who won the race between two balls of string?

What's a locomotive's favorite Proverb?