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Post Archive
Category Archives: Theology
Adam and the yuk factor
There’s been a lively exchange on the website of Catholic philosopher Ed Feser in response to a paper by Kenneth Kemp, putting forward a version of the Homo divinus model of anthropology. You may know that this is the theory that seeks to reconcile scientific accounts of human origins with a historical first couple, and I’ve expressed qualified support for it before, eg here . The discussion has provoked some reaction from Uncommon Descent’s Vincent Torley both on Ed’s blog and in his own articles. One of his main problems is with the concept that newly ensouled/rational humans would then necessarily intermarry with irrational “pre-Adamic” men, a concept which seems … Continue reading
The illusion of illusion
In my last post I looked at how the real heart of Darwinian evolutionary theory is a mental concept, comparable to the Anthropic Principle, that enables one to conceive of design witout a designer. This is what makes the theory so malleable to any actual data. I want to carry on with the example I was using there of the first self-replicating molecule, as it’s relatively uncomplicated to imagine. The question, you’ll remember, is whether it makes any difference (for a theist) to consider such a complex and closely specified self-replicating molecule as the work of God-as-designer, or as the work of God-as-behind-a-rational-and-scientific-fluke-of-extreme-improbability. I concluded that the only real difference … Continue reading
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Theory, or mental back-flip?
What did Darwin actually present in 1859? I suggest it wasn’t so much a scientific theory as a plausible new way of looking at things. It wasn’t his evidence that “swept away the illusion of design” but the mental flip that suddenly enables one to see how design could happen without a designer. Darwin presented some evidence for descent with modification, but that in itself wasn’t new but common currency in the scientific community. His Big Idea was natural selection, and the only evidence he presented for that was a comparison with artificial selection. If a breeder can select for useful traits, why should not nature itself do so? It’s … Continue reading
The vagaries of vagueness
One thing you notice as soon as you participate in evolution discussions is that you don’t understand anything about evolution. This is true whatever your background. You notice in most of the criticisms of a biochemist like Behe or an origins-of-life PhD like Meyer that they somehow neglected to learn the rudiments of evolution. My own background was zoology and medicine, but it has never prevented the “You don’t understand the first thing…” accusations. Some people might argue that those with weak arguments prefer to say, “You wouldn’t understand…” than argue their case, but the alternative is to go back and try to reach that basic, essential comprehension. So let’s … Continue reading
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The river of ideas
I posted a piece about my old edition of The Cambridge Natural History a week or two ago, including a reference to the section on man. Yesterday I was browsing through a very nice collection of quotes on evolution on bevets.com (quite a labour involved there), and noticed some familiar words and concepts. See what you think of this series.
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More on protein synthesis
Another interesting paper, again brought to my attention by an ID website (sorry). But again, I was interested in looking at the original in PLoS Genetics, which fortunately for us all has open access. The basic finding is a surprisingly high number of de novo protein-coding genes in the human genome, to the tune of 60. This was compared to chimpanzee and other primate sources. This, they say, is three times more than what was found hitherto – but then they looked harder.
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Prior commitments – 2: theistic
My last post showed the prevalent, and crippling, metaphysical bias of those who assess the evidence for evolution with a materialistic prior commitment. Richard Lewontin makes the case eloquently. Despite the popular rhetoric, though, theism as such has very much less at stake in the matter. Not to put too fine a point on it, God could have created using evolution, or in pretty much any other way. In practice things are not that simple, if we look at specific examples.
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Prior commitments – 1: atheistic
In some e-mail correspondence over the weekend I mentioned the unwillingness of biologists to engage seriously with mathematical challenges to random mutation in protein synthesis. My correspondent replied that he didn’t share a theist’s need to prove the biologists wrong. I answered that the issue might equally involve materialist biologists’ need to prove the mathematics wrong. The exchange got me to thinking about prior commitments in relation to evolution, especially as I happened to turn up the original source for Richard Lewontin’s much-quoted statement on the matter. Indeed, only today it is cited in an excellent article by David Berlinski .
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Here’s who
The quote in the previous post is actually by zoologist and leader in the field of population genetics, Richard Lewontin. It comes from Testing the Theory of Natural Selection published in Nature on March 24, 1972, p.181. Lewontin’s other famous quotation about science’s prior commitment to materialism comes from a book review of The Demon-Haunted World: Science as a Candle in the Dark by Carl Sagan, which is posted in full at http://www.drjbloom.com/Public%20files/Lewontin_Review.htm. It says quite a lot about Neodarwinism, quite a lot about Lewontin, a fair bit about Sagan and even a little about Richard Dawkins. I’ll return to it in a future post.
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Who said this?
“Darwin’s theory of evolution by natural selection in particular is hopelessly metaphysical, according to the rules of etiquette laid down in the Logic of Scientific Inquiry and widely believed in by practicing scientists who bother to think about the problem. The first rule for any scientific hypothesis ought to be that it is at least possible to conceive of an observation that would contradict the theory. For what good is a theory that is guaranteed by its internal logical structure to agree with all conceivable observations, irrespective of the real structure of the world? If scientists are going to use logically unbeatable theories about the world, they might as well … Continue reading
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