Quarrelsome characters make stories interesting and unpredictable.

And origin shapes perspective.

 

 photo Steve Hillebrand U.S. Fish & Wildlife Service

Here is a docked research ship. Create two scientists with distinctive, opposing belief systems, and put them on the ship. Now show them in an interaction that is shaped by the friction between their perspectives.

One grew up here:

photo Steve Hillebrand U.S. Fish & Wildlife Service

and the other grew up here:

 photo Paolo Neo