14. What if trains were never made?

Take a ride on the Rex Express this week as we find out how the world might work without any trains. Plus... dinosaurs! We'll meet Q-Rex, a young dinosaur with insatiable curiosity, Pops-Dino, his stubborn dad, and Tara Dactyl, the crotchety old flier who keeps all the other beasts in check.

Take a ride on the Rex Express this week as we find out how the world might work without any trains. Plus... dinosaurs! We'll meet Q-Rex, a young dinosaur with insatiable curiosity, Pops-Dino, his stubborn dad, and Tara Dactyl, the crotchety old flier who keeps all the other beasts in check.

If you or your child would like to submit a "What if?" question or tell us about one of Mr. Eric's famous flubs you can do so in the following ways:

• Leave a voicemail at (205) 605-WHAT

• Write an email to whatifworldpodcast@gmail.com

• Tweet at @whatifworldpod

 Make sure you're ready with your first name, something you really like or like to do, and your "what if" question. And don't worry if you have to call two or three times. :)

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