What distinguishes an outrageous idea from a reasonable one? And how are these different from a true or a false idea? I suspect that many people confuse reasonable/outrageous with true/false, which can make it difficult to understand sometimes counterintuitive scientific findings.
Remember how irrational numbers petrified the bejesus out of the Pythagoreans? Or the interminable time it took mankind to introduce a zero into arithmetic? Recall the centuries of debate that occurred over whether negative numbers are valid or not?
Reductionism has its limitations. Is a human being -- one who bristles at injustice, weeps at Pachelbel's Canon, loves her children, is awestruck by beauty, and craves chocolate -- simply the product of Pavlov's conditioned reflexes to stimuli?
A logical deduction can tell you nothing that is not already embedded in its premises. All a logical deduction does is enable you to determine whether or not some conclusion is consistent with some set of premises.