This isn’t rocket science .

Please don't take it personally, but this just sounds like one of those instances where a man is doing the science without actually taking the time to ask the women who actually are living or doing the study in question - what their reality is.But, even so, even if you regularly fill the dishwasher in your home and otherwise wash all kitchen-related things - do you not first hand-wash or rinse most items prior to putting them into the dishwasher? 

But Sackrete's concrete patcher is better than Quikrete's, the two most readily available solutions.Concrete is not rocket science.

oh okay,  but its cute that you're a physician who thinks he knows about the science behind airborne smoke remnants 

This business is not rocket science.

It seems to me like that may be more of an art than a science. 

It's not rocket science. 

As @Roger Poulin mentioned, SEO is more of an art than it is a science, and it could take months if not years to achieve results. 

Checking out and replacing a dishwasher is not rocket science and should be easy enough to quote sight unseen.

Think of the data in terms of a Punnet Square (remember Gregor Mendel from middle school science?).