The second advantage claimed for naturalism is that it is equivalent to rationality, because it assumes a model of reality in which all events are in principle accessible to scientific investigation.
The overall view of the human genome project has been one of great excitement and positive press, but there are people who have concerns that are quite reasonable, and they are frightened of things they don't understand.
Crime is a fact of the human species, a fact of that species alone, but it is above all the secret aspect, impenetrable and hidden. Crime hides, and by far the most terrifying things are those which elude us.