So Relativity, sr and gr via different mechanisms (Speed vs. Gravity), can: Dilate/Bend/Warp...TIME ??
Well slight misunderstanding. Relativity is a description of what the theories demonstrate, that space and time are relative things. They are, and yes time can dilate, and space can warp. If you travel through space at the maximum speed possible (the speed of light), all of your movement is in one direction - through space. So no time will pass for you. If you are travelling slower, more time will pass. And yes, this effect is measurable.
What on Earth? How could someone write a "Scientific Theory"..... WITHOUT experimental evidence, when Scientific Theories are the Consequent/ "RESULT" of Validated Experiments, pray tell??
The fact that would even ask this question shows me straight away that you probably do not know what Darwin wrote, and your probably not interested in knowing what it is he did write.