True science is never settled. It is always open to new discoveries, inquiry, curiosity and even refutation of existing hypotheses.
The term "settled science" is a fabrication by persons with a legalistic mind set. The great scientists were the ones who upset the existing theories by proposing new ones based upon new data or deeper insight.
5 posted on 03/12/2015 2:22:32 PM PDT by reg45
(Barack 0bama: Implementing class warfare by having no class.)