The obvious answer is compartmentalization. Many people can maintain contradictory beliefs through compartmentalization. For example, one could function as a skilled scientist at work and a committed Christian at home. The dissonance we would expect holding contradictory positions to cause can be avoided or at least minimized through compartmentalization.
And yet, this explanation seems incomplete at best. My co-workers seem more likely to consider Christianity part of who they are and science as merely what they do. Many are perfectly willing to introduce their religious beliefs into conversations in the workplace. And whenever I question this, the answer is always the same:
This is the South. What do you expect?I do not think I will ever find that an acceptable answer. I realize this where I am, but I have no interest in accepting the status quo.