Admin Note: This thread was split from a discussion in the TKD forum. Please keep it polite and respectful, as you've done so far, and stay out of politics. Interesting example but not one I would use due to difference in ease of testing. Move X can be tested to accomplish Y purpose. Climate change? In the 1070's we had articles about entering anew ice age. Climate change is a a fact . Been changing since earth existed. Modeling reasons is another story. Similar to trying to model Physiology with physics. not always so easy. Like the earth, the Body is not a simple thing to model.