Assumptions about the quality of the information we receive, requires something to stand in contrast, if we are to prove that information to be accurate.
Tools that scientists use to do their work, are afflicted by the same assumptions with regard to our sensibility.
As Max Planck stated, "...in a synthesis of thought where there is an all around logical coherence, any alteration of one part of the structure is bound to upset other parts also...no alteration in a well built synthesis of thought can be effected unless strong pressure is brought [upon it] from the outside. This strong pressure must come from a well-constructed body of theory...".