Dark Bilious Vapors

But how could I deny that I possess these hands and this body, and withal escape being classed with persons in a state of insanity, whose brains are so disordered and clouded by dark bilious vapors....
--Rene Descartes, Meditations on First Philosophy: Meditation I

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02/20/2005: Thought for the Day:


From a scientific perspective, one of the most frustrating things about intelligent design is that (unlike Darwinism) it is virtually impossible to test. Old-fashioned biblical creationism at least risked making some hard factual claims -- that the earth was created before the sun, for example. Intelligent design, by contrast, leaves the purposes of the designer wholly mysterious. Presumably any pattern of data in the natural world is consistent with his/her/its existence.

But if we can't infer anything about the design from the designer, maybe we can go the other way. What can we tell about the designer from the design? While there is much that is marvelous in nature, there is also much that is flawed, sloppy and downright bizarre. Some nonfunctional oddities, like the peacock's tail or the human male's nipples, might be attributed to a sense of whimsy on the part of the designer. Others just seem grossly inefficient. In mammals, for instance, the recurrent laryngeal nerve does not go directly from the cranium to the larynx, the way any competent engineer would have arranged it. Instead, it extends down the neck to the chest, loops around a lung ligament and then runs back up the neck to the larynx. In a giraffe, that means a 20-foot length of nerve where 1 foot would have done. If this is evidence of design, it would seem to be of the unintelligent variety.

Such disregard for economy can be found throughout the natural order. Perhaps 99 percent of the species that have existed have died out. Darwinism has no problem with this, because random variation will inevitably produce both fit and unfit individuals. But what sort of designer would have fashioned creatures so out of sync with their environments that they were doomed to extinction?

The gravest imperfections in nature, though, are moral ones. Consider how humans and other animals are intermittently tortured by pain throughout their lives, especially near the end. Our pain mechanism may have been designed to serve as a warning signal to protect our bodies from damage, but in the majority of diseases -- cancer, for instance, or coronary thrombosis -- the signal comes too late to do much good, and the horrible suffering that ensues is completely useless.

And why should the human reproductive system be so shoddily designed? Fewer than one-third of conceptions culminate in live births. The rest end prematurely, either in early gestation or by miscarriage. Nature appears to be an avid abortionist, which ought to trouble Christians who believe in both original sin and the doctrine that a human being equipped with a soul comes into existence at conception. Souls bearing the stain of original sin, we are told, do not merit salvation. That is why, according to traditional theology, unbaptized babies have to languish in limbo for all eternity. Owing to faulty reproductive design, it would seem that the population of limbo must be at least twice that of heaven and hell combined.

It is hard to avoid the inference that a designer responsible for such imperfections must have been lacking some divine trait -- benevolence or omnipotence or omniscience, or perhaps all three.
--Jim Holt


Len on 02.20.05 @ 08:58 AM CST



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