“If, as the editors of Nature claim, our minds are merely the product of materialistic evolution, then the opinion that our minds are merely the product of materialistic evolution is itself just the product of evolution.” - Michael Egnor¹

In other words, if their theory is true, we cannot know it or prove it, because there is no true intelligence to be doing the thinking. It is all just the random interactions of random atoms. In order for rational thought to proceed, we must assume that, whatever is true, materialist philosophy is false.

The sun not only varies in brightness, it also has a major impact on how much cosmic radiation reaches the earth. Between the two, it is the primary cause of change in our climate.¹ This article focuses on a series of mud cores from Canada, but also has a number of references to scholarly journals.