More specifically, CompScis, NatScis and MathMos. Often includes MatScis and things. Some would want to include Engineers and suchlike as well. The generic term is apparently XScis. Really doesn't include GodScis, unless someone's being really pedantic.
MathMos are not scientists: they're string rewriting tools.
MathMos are not scientists: they're not Doomed on a regular basis.
[MathMos] are not scientists: they're makers of retro 60's lighting.
It is a principle of Science that If theory does not agree with experiment then the theory is wrong. In Mathematics this is the other way around. Therefore: