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The Talk.Origins Archive: Exploring the Creation/Evolution Controversy

Feedback for October 1999

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Author of: Punctuated Equilibria
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The reader misquotes Colby's FAQ. Colby did not say that "Creation is 100% crap." What Colby said is that "Scientific creationism is 100% crap." Colby went on to document that his statement was in fact true. Scientific creationism is a specific doctrine promulgated by YECs designed to supplement or supplant discussion of evolutionary biology in secondary school science classrooms. It is not the same thing as "Creation". Saying that "scientific creationism is 100% crap" may be harsh, but I find that it is accurate. There are many other views of creation, as Robert Pennock ably documents in his book, "Tower of Babel: The Evidence Against the New Creationism".

Wesley

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Response: It means that unless the copyright note says something along the line of "reproduction without permission prohibited" you can print it out and read it, as long as you do not modify it or attempt to publish it yourself.

I have often given permission for my own oervres to be distributed in hard copy for discussion purposes.

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Author of: Punctuated Equilibria
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Who is it that claims to already have the answers in hand? That sounds like the theistic anti-evolutionists. Perhaps our anonymous correspondent should take this up with one of the anti-evolutionary pages that actually espouses such a stance.

Wesley

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Response: The Earth is about 4.55 billion years old; but this is not relevant to your second question. Speciation can occur in very short periods of time. Every new individual nearly always has some small changes in DNA sequences from their parents, and if circumstances are such that these changes accumluate, there is more than enough variation to permit quite drastic changes in species over a few thousand years. The vast majority of DNA remains the same in related species. So, no, there is certainly no mathematical problem.
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Response: What really matters most in this issue is quality science education in public schools. So, yes, it really does matter.

The main inconsistency between the two camps is the quality of the science. In creationism, the outcome that the bible is literally true is all that really matters, and any scientific finding or empirical evidence that contradicts this preconceived conclusion is ignored or demonized.

The study of evolution does not endorse any religious viewpoint, as can be seen from the fact that people of ALL beliefs accept it as true. Evolution is true science by virtue of it being formed from the evidence, not (as in the case of creationism) before the evidence or even in spite of the evidence.

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Response: I think that their view is equally as improbable as the Wynne-Edwards version Williams attacked in the 60s, but not because group selection is impossible. Rather it is because they make groups "superorganisms", and that is such a hard claim to substantiate.

For a group to be a superorganism, it would need to have a high degree of cohesion of the right kind, and be able to reproduce, to a high degree of accuracy, the properties that are being selected. Groups do have properties, but they are rarely hereditable (other than biogrography, or niche constructions like beaver's dams).

Now I greatly respect Sober and Wilson's work, but I don't think they have established that groups are ever of the kind of individual that can by definition undergo selection. I much prefer Elisabeth Vrba's Effect Hypothesis - the properties of groups (including species in some circumstances) leads them to be sorted but sorting is a superset of selection, and does not involve group-level heredity.

However, on the view I adhere to, species are not the sort of groups that could even be sorted in that way, unless they were identical with demes (effective populations in the biogeographic and reproductive sense).

I hope this helps.

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Author of: Punctuated Equilibria
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No matter how many people look at it, the Berlin specimen of Archaeopteryx lithographica continues to clearly display feather imprints. Observation... and repeatability... all right there.

A necessary aspect of scientific research is that it proceeds by intersubjective experience. This does not make necessary that all phenomena have to be reproducible in a lab in order to be explored via scientific methodologies. Historical events sometimes leave behind evidence, and this evidence allows us to make observations and inferences with just as much validity as those which result from laboratory work.

Evolution as such has been observed, both in the lab and in the field. There is evidence of evolutionary change in populations, whether the correspondent wishes to recognize it or not.

Wesley

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Author of: Punctuated Equilibria
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Some browsers, like Netscape, allow one to override the font and color choices in pages. This can be very handy for those who have trouble reading certain pages.

For Netscape 4.5+, click on "Edit", select "Preferences", then select "Appearance". Under that, there are options for specifying one's own font and color scheme and for forcing pages to be rendered using those rather than the ones specified by the page.

Wesley

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Author of: Punctuated Equilibria
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This web site archive is run by volunteer effort. There is no one person who handles incoming mail. That's why we have the very nice feedback system that Brett Vickers has coded. It allows a number of interested volunteers to respond to issues raised in feedback.

That said, there are many email addresses available here. Most of the FAQ files have email addresses for the authors. In the feedback section, one will find almost every response comes with the email address of the person making a response. Pick someone whose interests seem to cover the topic and send them email. Or better yet, use the talk.origins newsgroup to post items aimed at widespread exchanges of information.

Wesley

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Response: This website is not concerned with biblical errancy, but with evolutionary biology and geology, and refuting the specific claims of creationism.

Internet Infidels keeps a listing of what you are looking for.

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Response: Polonium radio halos are discussed in the The Po-Halo Mystery FAQ. The short answer to your question is that Polonium-218 is a decay product of Radon-222, which is produced in the decay series of Uranium-238. Radon is an inert gas which can migrate into certain crystals and leave Polonium in its wake. The above FAQ and its links provides ample evidence demonstrating this is the likely way it happened.
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Author of: Creation Science and the Earth's Magnetic Field
Response: Carbon 14 (14C) is produced in the upper atmosphere by the bombardment of atmospheric Nitrogen 14 (14N which makes up about 79% of the atmosphere) by neutrons (n) generated by cosmic rays. The resulting 15N nucleus should be stable, but the cosmic ray neutron carries too much energy and the 14N falls apart quickly into 14C plus a proton (p). In the standard notation of nuclear physics this is written as 14N(n,p)14C where the incoming "n" and outgoing "p" are inside the parentheses, and the initial nucleus 14N and final product 14C surround them.

As long as there are cosmic rays there will be 14C. But the abundance in the atmosphere is not constant, and has to be calibrated. One common method is to use treerings, but there are other ways as well. The Radiocarbon Web is a good place to find out about the details & applications of radiocarbon dating. Also, I might add that my own Radiometric Dating Resource List has more links to radiocarbon dating explanations, as well as many other radioisotope (radiometric) dating methods, and specific criticisms of creationist arguments.

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Author of: Punctuated Equilibria
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The intrinsic rate of increase poses no bar to six billion humans arising from some small number of forebears in a relatively short period of time.

But the facts of genetics argue strongly that humans had no recent genetic bottleneck of the sort posed by the tale of Noah's ark.

Wesley

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Response: Please find a biologist or a biology teacher, and ask him or her how the Big Bang happened, and how matter formed, and how galaxies condensed, etc. They will probably stare at you for a moment, and then tell you that they don't know. They may have never even studied the subject at all; they might have restricted their studies to their chosen field: biology. The response they will give you would probably be to go ask a cosmologist. And I suppose that is my answer to you as well.

Evolution does not deal with anything other than living organisms that reproduce and change over time in response to environmental pressures and genetic variables. Evolution does not even deal with the origin of living cells.

And, by the way, you're right that a dog, seeing itself in a mirror, sees itself as another dog. But a chimpanzee, humanity's closest relative, can indeed recognize itself in a mirror, just like we can. Do you feel that this is a coincidence?

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From: Chris Stassen
Author of: The Age of the Earth
Response: Most of the authors of our FAQs have spent much effort studying creationist works. Some of us have read more creation "science" materials than most creationists have. Further, our site has on conspicuously display an extensive library of links to creationist web sites. This allows any visitor the luxury of reading pro-creationism and anti-evolution materials, produced and maintained by creationists themselves. If you are concerned about "balance," you might try following those links and seeing just how few of the creationist sites have any "opposing view" links back to sites such as this one.

In my opinion, the real problem is that creation "science" is very bad science, regardless of the value of the religious beliefs it is used to support. When the issue is approached from any scientific perspective ("mainstream" or not), creation "science" has little value to offer. In writing the Age of the Earth FAQ, I'd gladly have included legitimate scientific data that stands up to critical inspection and indicates an age of 6,000 years for the Earth, if there were any. In a way it was like writing a "round Earth vs flat Earth" FAQ -- it's simply not possible to be totally "balanced" because the evidence is so one-sided. Without being misleading (e.g., using arguments that are demonstrably false) it is not possible to even make a decent-looking (let alone truly solid) scientific case for a 6,000-year-old Earth. If you think you can demonstrate otherwise, feel free to contact me offline. I'll always listen to new information, but to date the young-Earth crowd hasn't had much success in dealing with my nearly-a-decade-old FAQ.

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Response: We do have an entire series of FAQs on creationists' claims that the Earth is only six or ten thousand years old. I am unfamiliar with assertions of the discovery of dinosaur blood or unfossilized dinosaur bones. Additional feedback on this subject is welcomed.

We try very hard to keep a civil tone on this site; after all, you catch more flies with honey than vinegar. I'm glad you found that to be the case.

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Author of: Punctuated Equilibria
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The trueorigins site illustrates the adage about imitation and flattery. It is the nature of anti-evolutionary material to be presented with great confidence. Unfortunately, it does not appear to be a tradition that these materials also be compatible with empirical evidence. Without exception, I have found anti-evolutionary arguments to be erroneous, mistaken, misleading, outdated, oversold, or some combination of the foregoing.

I entered this debate with my attendance at a SciCre lecture given by someone billed as a geologist. As a zoology student, I knew very little concerning geology, and it seemed to me that some of the arguments that the lecturer gave were very compelling. I talked with him after the lecture, and he kindly gave me a copy of a little book by Dr. Henry M. Morris of the Institute for Creation Research. The title was, "The Scientific Case for Creation". I thanked him and went off.

When I started reading Morris' little tome, I started finding things that were disturbing. Either much of every science class I had taken was in error, or Morris was rather badly missing some basic points. I started marking each sentence which was to my knowledge incorrect. Within a short while, most pages in the book contained one or more such marks. I soon came to the conclusion that either Morris was almost completely inept or that he was being deliberately deceptive. The aggressive promotion of his authority as a scientific writer, though, made it less tenable to simply chalk it up to ineptitude.

This exposure to anti-evolutionary ethics or lack thereof has caused me to since become involved in opposing arguments made in that mode. I find that quotes provided by anti-evolutionists make me want to read the original source, or that arguments made make me want to find expositions outside the anti-evolutionary genre. When I do these things, I routinely discover more shenanigans being pulled by anti-evolutionary authors. One doesn't have to be a technical whiz to look up a quote and find that the original author made a point inconsistent with what the anti-evolutionist quoting him claims he said. Do this a few times and one will take with a large grain of salt anything such a person says.

Wesley

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Author of: Punctuated Equilibria
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It seems to me that much of the archive is devoted to taking up claims made by anti-evolutionists of "unanswered questions" or "errors" on the part of biologists and showing how those claims are wrong. If there is some "correct" anti-evolutionary belief, I would like to make its acquaintance. Perhaps "lk4" could post the details to the talk.origins newsgroup. In the meantime, this archive is host to one of the most extensive list of links to online anti-evolutionary materials that one can find. "lk4" is invited to nag some of those sites concerning parity in their listing of arguments and in their making available links to opposing viewpoints.

Wesley

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Author of: Evolution and Chance
Response: Science does not either support or deny the existence or operation of a creator, and so cannot credit or discredit belief in one. All that you say is correct, except in one point: evolution is not a belief system. It is a scientific theory, or rather a set of theories, that is undergoing revision and which commands respect only so far as it is supported by the evidence.

Just as "creationism" is not synonymous with the doctrine of creation in orthodox theisms, neither is evolution a belief system.

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Response: You say that some among us here (or all of us) give dishonest answers. Sir, I challenge you on that statement. Please supply ONE dishonest answer that has been made on this website. As to "disowning God", many of the contributors to this website do not, and have not.

Your personal opinions about anyone else's theological beliefs you should keep to yourself. Such issues do not, I repeat do not enter into any scientific discussion. You have not addressed a single scientific issue in your letter.

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Response: Your main point, that the calculated probabilities make assumptions that require justification, is quite true. This point can be expressed as follows:

It's not possible to do a "probability of abiogenesis" calculation in any meaningful way.

This applies for Ian's calculated probabilities also.

However, let us note that the above quote is lifted directly from the introduction to Ian's FAQ! Ian also makes the same point again in his conclusion. His calculations are not intended to be actual measures of the real likelihood of abiogenesis. They rather show the enormous effect of unstated assumptions used by people who do propose worthless probability calculations as meaningful criticisms.

The particular calculation to which you allude, which assumes a sea filled with a dilute solution of amino acids, is not proposed as a realistic model of biogenesis, and the opening paragraph of that section reads as follows:

So lets play the creationist game and look at forming a peptide by random addition of amino acids. This certainly is not the way peptides formed on the early Earth, but it will be instructive.

The FAQ is actually filled with conditional phrases and disclaimers to say that it is not about proposing the way things did happen.

I think that you and I and Ian are all basically agreed that probability calculations and statistical analysis of this kind are not sensible as measures of how things actually happened. So if you can find a direct extract or quote from the FAQ which implies or suggests that the calculations are based on knowledge of exactly how things did happen, let us know, or even propose a better wording. I cannot see any such phrases myself, however; and plenty of disclaimers to make clear that this is not the intent.

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Author of: Darwin's precursors and influences
Response: This is a worthwhile point to make. But allow me to interpret Darwin's comment.

In recent years a movement known broadly as the evolutionary epistemology school has tried to defend the reliability of human knowledge from Humean doubts, by arguing that it has to be reliable or it would not have evolved.

This is obviously panadaptationist and overly optimistic. That Darwin saw this problem is to his credit, and it remains a major reason why the evolutionary epistemology movement has either become more subtle or is not acceptable to modern philosophy.

However, this is a problem whether you think we have evolved from organisms with less cognitive skill or are descended from fallen angels, or are mystified by the illusory nature of things. In other words, it's a general problem to anyone that thinks we learn about the world in some way, not just to Darwinian thinking. If one accepts the value of scientific knowledge, then being fallible is part of it. It makes as much difference to engineering, astronomy and accounting as it does to evolution.

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Response: First of all, all the timeline shows is that neandertals existed from around 200,000 years ago to 30,000 years ago, while Homo sapiens sapiens (modern humans) existed from around 50,000 years ago. So, they overlapped in time. This does not mean that they are members of a series, but branches on a tree.

Neandertals are not thought to be the same species as humans, but a closely related species in the same genus. The Linnean species name used does not indicate this, and recently the taxonomic name for neandertals and modern humans has been changed: they are Homo neandertalensis and we are Homo sapiens, one of two major forms (the "modern"). In fact, some modern scholars even think that we and erectus are the same species.

A recent claim was made that sapiens and neandertals routinely hybridised in Portugal. This is disputed, but people I trust who are paleoanthropologists think it is either true or plausible. On that account, the two species are sibling species - close enough to occasionally hybridise.

DNA differences are not a perfect guide to cross-fertility. Many species have massive regional and subspecific genetic variation and yet are able to crossbreed, and some distinct species have very similar genetic structure and makeup and yet cannot, and all combinations in between. It is likely that we are distinct species from neandertals, but the possibility remains that we aren't.

I hope this clears up your confusions on the matter.

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Response: I hate to be the one to inform you, but "facts" are simply those things we have so much evidence for that to deny them would be preposterous. One of those facts is that the Earth is more than a few thousand years old. We have evidence from tree rings and Antarctic ice cores, from coral layers and tidal deposits, from supernova light and from radioisotope dating. All of these point to an old Earth.

Nothing is "proven" in science the way it is in mathematics or logic. A scientific proposition is "proven" when the overwhelming weight of the evidence points in its direction.

On death: Most Christian denominations hold that the "death" the Bible speaks of is not physical death, but the death of the soul to sin. And what makes you think "evolutionists" don't want to accept God? Plenty do. See the God and Evolution FAQ.

Evolution operates on preexisting, reproducing, organisms. It doesn't care where those organisms came from. Space aliens, magic pixie dust, abiogenesis, the Voice of God -- it doesn't matter a whit to evolution.

I did look at your quotes. You have done what so many others have done -- taken quotes out of context and substituted them for real argumentation. Rather than quote-mining from some pamphlets, why not examine what those scientists actually say and believe? Better yet, why not read a good textbook on evolutionary biology? It sounds to me like you need to learn what evolution actually says, rather than what creationists say it says.

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Response: As you say, this site provides what is probably the largest selection of links to creationist websites available anywhere.

I wonder if you have written to any creationist websites, similarly chastizing them for their lack of fair and balanced treatment towards the evolutionist view. They prolifically present their opinions, and it is only fair that the evolution side of this debate be accurately presented by evolutionary scientists. That is what this site is for.

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Response: Evolution is not based on pure chance. The process of natural selection, which is responsible for the development and retaining of adaption, is the very opposite of pure chance. See the Evolution and Chance FAQ.

Computer programs do not necessarily require programmers. Selection processes analogous to natural selection of living organisms can give rise to working computer programs which no-one really understands. Some of the best examples of this are in development of field-programmable gate arrays (a bit like programmable hardware). The circuits work, but use principles totally unlike those adopted by human programmers, and no-one fully understands how they work. See Adrian Thompson's home page at the University of Sussex, and a New Scientist article on the subject (both offsite).

Species are not simply alike: they are alike in a very regular way, called a nested hierarchy. This is what allows us to say, for example, that a whale is unambiguously a mammal, and not a fish. Molecular evidence confirms this nested hierarchy, which is characteristic of cummulative inherited change. By way of contrast, computers and calculators are designed objects, and they do not have this pattern. Advances which make calculators better get reused in computers, and vica versa, which means that there is no clear cut basis for classifying computing devices into a hierarachy. This is a major difference betwwen designed objects and evolved objects.

Mutations are sometimes bad, often neutral, and occassionally beneficial. See the Are Mutations Harmful FAQ.

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Response: Does it matter if I, or anyone else, believes or disbelieves? The evidence remains the same either way. Belief does not enter into it. And to answer your question, there are many people who contribute to this website who believe.
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Author of: Creation Science and the Earth's Magnetic Field
Response: The organization you are looking for is The National Center for Science Education.
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Response: After reading dozens of letters condemning this site for its "bias," I am quite pleased to see that at least one person understands its purpose. Thank you!

I do wonder, however, why you think it is "obvious" that you must be a creationist if you are a Christian. Believing in the Christian God and accepting that evolution best explains Earth's biodiversity are not mutually exclusive positions. See the God and Evolution FAQ.

Or perhaps I am just misunderstanding what you mean by "creationist." If by that you mean that God had a hand in the origins of life and the universe, that position is not incompatible with science in general or evolution in particular.

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Response: You said "there is no proof of evolution, no matter what is said..."

That sums up the problem right there. No matter how strong the evidence, no matter how logical the arguments, no matter how sound the conclusions, you will not even consider them.

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Author of: Punctuated Equilibria
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Dr. Phillip E. Johnson believes that Darwinian natural selection has only been shown to produce minor changes in traits of organisms. This part he has no problem with, but he asserts that the larger claims for natural selection's role in common ancestry will soon be set aside. See this page for an in-depth review of Johnson's "Darwin On Trial".

Dr. William A. Dembski certainly does not say that evolutionary theory is outlandish. Dembski, too, accepts that natural selection can do some things in the history of life. But Dembski claims that some events cannot possibly be the result of the operation of natural selection. See this page for links to both Dembski's essays and to commentary upon those essays.

Wesley

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Response: Your messages exhibits a serious lack of understanding of evolution which you should really undertake to correct.

You say "ALL of the fossils found to date are conveniently completely formed or parts of completely formed animals or plants." You called it a "damning fact" against evolution. Do you think that evolution requires that fossils should be found of incompletely formed creatures (whatever those might be)? That is not the case. Evolution is driven by species being well-adapted to their environments. Evolution does not predict the existence of "incompletely formed" animals.

Your claim that mutations must produce "microscopic, random cellular changes that would produce grotesque, asymmetrical life forms that would dominate the fossil record" is simply erroneous, uninformed and completely baseless. Your use of the word "entropy" here is also completely misapplied. Despite your wishes, the origin of life is indeed a scientifically answerable question. In your last paragraph you say "this has nothing to do with religion", but the last sentence betrays your real purpose.

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Author of: Macroevolution FAQ
Response: On Macroevolution:

The definition of macroevolution, derived from Filipchenko via Dobzhansky, is the correct definition, as far as it goes. However, many authors, particularly those who think, as many do, that the processes occurring above the species level cannot be just the effect of or the same as those occuring below the species level, are not actually referring to processes when they use the term "macroevolution". Instead, they are referring to patterns of evolution, whether they are aware of it or not.

To discern a pattern at macroevolutionary scales, you need to have several (minimally three but many more in practice) taxa to compare. There is no pattern for one or two species. Since the evolution of one new species from another one is the minimum of macroevolution, when people talk about "major transformations" or "large scale evolution", they must be meaning the patterns of evolution.

So, both are correct, if that distinction is borne in mind. The least macroevolution is a single speciation event. Major transformations are patterns of many speciation events, and are by definition macroevolutionary, but that isn't all that is macroevolutionary.

This point pops up a lot, so I must amend the FAQ sometime to make it clearer. Thanks for your feedback.

From: Chris Stassen
Author of: The Age of the Earth
Response: When shuffling a deck of cards: (A) the odds of ending up with a shuffled deck of cards are very nearly 1; while (B) the odds of ending up with a particular ordering of the cards are about 10-68. Confusion between those two (applying the (B) odds to the (A) event) is an after the fact probability fallacy. You're only beating the long odds if you specify the "target" outcome in advance (or at least independently of peeking at the result of any trial).

Even if we go further and add multiple trials (as you requested), I don't see that it makes a significant difference. If we generously assume that you'll shuffle cards about a million times in your lifetime, the odds of you getting any particular sequence in your lifetime fall, but only to about 10-62. That's still a trillion times less likely than Borel's 10-50 threshold. This doesn't mean that it's not possible for you to shuffle a deck of cards; it means that it's a practical impossibility for you to predict the exact ordering in advance of any deck that you shuffle in your lifetime.

Similarly, the odds discussed by the creationists (in the feedback entries to which you refer) are not the odds of any life evolving, but instead the odds of exactly the same result that we've had -- which means that their argument involves that exact fallacy. It is also true, as you point out, that creationists' anti-abiogenesis calculations lean on a large number of questionable assumptions, and that there are huge uncertainties in the field that render such calculations useless. But regardless of that, they need to get their basic mathematics straight.

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Response: I can think of at least six answers to your question off the top of my head:
  1. Dinosaurs lived throughout most of the Mezozoic Era, a span of roughly 185 million years. In contrast, hominids have been around for only 5 million years or so.
  2. The grouping "dinosaur" comprises many more species than the grouping "hominid." It's like comparing the population of the United States, a country, to the population of Toronto, a city.
  3. Many dinosaurs were larger in size than we are. We're pretty large as terrestrial organisms go; our imagination tends to be captured by the few things larger than we are. The public pays attention to dinosaurs.
  4. The large size of many dinosaurs and numerous bony parts makes them good candidates for fossilization and discovery. Smaller animals are less easily fossilized and are more difficult to discover once fossilized.
  5. Even "complete" fossils are rarely 100% complete. "Sue," perhaps the best-preserved Tyrannosaurus rex fossil ever discovered, is only about 90% complete. Paleontologists are quite skilled and experienced at filling in the gaps; they have to be.
  6. Dinosaurs roamed over much of the earth, and can be found in great number in easily accessible places, such as Utah, where exposed rocky terrain and modern transportation and communications infrastructure make them relatively easy to search for, discover, and extract. Fossil hominids are found almost exclusively in certain regions of Africa, where the terrain is at times not as hospitable to fossil discovery and where a fully modernized infrastructure is often lacking.
Regardless, we do have evidence of transitional fossil hominids. See the Fossil Hominids FAQs.
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Response: Why do you believe man is only 6,000 years old? What evidence prompted you to this conclusion? Human remains and artifacts have been discovered that are far older than that.

You must ask yourself why God would have made a world "instantly old". He certainly would not have had to. Taking your line of thought further... this leads to conclusions that God has deliberately intended to deceive the world into thinking the world is billions of years old. These immense ages are exactly what's needed for evolution to take place, hence God's deliberate deception of creating an instantly old universe also aids in the widespread acceptance of evolution.

One thing is definately for sure: The world was never, in its entire history, submerged in a global flood. This cannot be refuted.

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Response: Can you spell "satire"?
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Response: S-A-T-I-R-E. Oh, wait, that's irony.
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Response: Unfortunately the evidence is scattered throughout journals and textbooks. This is because that's where most scientific work gets published, and you cannot depend upon popular treatments to give the best summary of the field.

So, the best I can do is list some texts that may help you.

First, the history of opposition to Darwinism:

Bowler, P. J. (1983). The eclipse of Darwinism: Anti-Darwinian evolution theories in the decades around 1900. Baltimore and London, John Hopkins University Press.

Then a text that opposes Darwinism in favor of an alternative approach to biology:

Webster, G. and B. C. Goodwin (1996). Form and transformation : generative and relational principles in biology. Cambridge, U.K. ; New York, N.Y., Cambridge University Press.

Next, one of the standard textbooks in the field.

Futuyma, D. J. (1998). Evolutionary biology. Sunderland, Mass., Sinauer Associates.

and then a book that summarises experimental work done on natural selection:

Bell, G. (1996). Selection: The mechanism of evolution. New York, Chapman & Hall.

and finally, a discussion about alternative ways to think about evolution, taking development (growth of organisms) as the central theme.

Schlichting, C. D. and M. Pigliucci (1998). Phenotypic evolution: A reaction norm rerspective. Sunderland, MA, Sinauer Associates.

It's hard to be more specific than this unless you can refine your queries. Science is a massive enterprise, and simple summaries are hard to find.

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Author of: Creation Science and the Earth's Magnetic Field
Response: See my response to the same question earlier on this page. I am in the process of writing an extended article on this question, for the archive.
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Author of: Punctuated Equilibria
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I rather doubt that there is much personal animosity towards anti-evolutionists here. Quite a bit of scorn and well-deserved contempt for the low tactics and arguments made by anti-evolutionists may well be evident. I don't happen to see that as a minus.

I also don't think James gets around enough if he thinks anti-evolutionists do not get hostile. Let's have a look... Go to Altavista, click on "Advanced Text Search", and then enter the following search criteria: evolutionist near (deluded or stupid or ignorant or evil or lying or misquoting or lies or misquote or bad or mistaken or censor or censorship or discrimination or discriminate or Satan or Satanist). I got 85 hits back from that. What do we see when we look inside some of these?

Thus evolution is one of the many cults of Satan built upon faith.

- Evolution: The Truth?

Thus Lucifer became the first evolutionist, and this great lie by which he deceived himself became the basis of his later deception of Eve and then of the founders of all the varied pantheistic religions of the world, as well as modern evolutionism and New-Age philosophies.

- Days of Praise: Daily Bible Readings and Devotional Commentaries: November 1992

Now I read what evolution is, in another way so that you can see that it is infidelity. Then, if you find yourself an evolutionist, you know at once that you are an infidel: "The hypothesis of evolution aims at answering a number of questions respecting the beginning, or genesis, of things."

[...]

Are you a creationist now, or are you an evolutionist? Will you go out of this house with an evil heart, or with a new heart, created by the word of God, which has in it creative energy to produce a new heart?

- Creation or Evolution, Which?

How about a charge about deliberate deception?

In other words, even though the circular reasoning processes which evolutionists have relied upon leaves much to be desired from the intellectual standpoint, they never felt compelled to justify their position because to many gullible people were willing to accept what they said on face value.

[...]

But then that is exactly what evolutionists have been doing since Darwin first proposed his theory. They conveniently overlook facts which they themselves have observed, when those facts interfere with their naturalistic explanations. The evolutionist's prejudice against God is stronger then their desire to find the truth.

[...]

The evolutionist however will either deny the very facts which his own investigation has uncovered, or he will misrepresent them. As such, he will continue moving backward in time until he has abandoned all pretext of scientific inquiry.

[...]

However, since most evolutionists don't like either bad dreams or evangelical theologians they simply ignore the facts we have just examined. Rather than acknowledge their error, they willingly go back down the mountain of ignorance into the valley of the absurd. They have chosen instead to walk along the path of the preposterous where they are joined by their hiking companions, Piltdown Man and Nebraska Man.

- Evolution: Guilty As Charged - Chapter 5

All the talk about "pre-biotic soup," mutations, natural selection and "missing links" is nothing more than a deceptive attempt to explain away God!

- The Wrath of God

That is to say it's been validated in the sense that you do need a creator after all, but even more, what's been validated is the biblical view that it's a major part of the human project to get rid of the creator; because their deeds were evil, they did not want to honor god as God, and so instead they imagined various forms of idolatry and nature worship of which Darwinian evolution is just the most prevalent modern form. So, at this point, you say that not only has it been revealed that science points to the reality of a creator after all, but the enormously bad and self-deceptive thinking of the Darwinian evolutionist is something straight out of Romans 1.

- Communiqué Interview: Phillip E. Johnson

In a feeble attempt to explain this mystery, modern evolutionists, like their predecessors also rely upon their active imaginations.

- Chapter II: I'd Rather Not Talk About It

The Evolutionist has a trail of deceit, tampered evidence and faulty conclusions to which they have bound into a volume of Holy writ.

- http://www.geocities.com/Heartland/Meadows/5466/man.htm

I think James may be getting the idea by now.

Anti-evolutionists have been caught using deception and rhetoric in order to advance their sectarian viewpoints and get non-science taught in science classrooms. That does not cause me to hold them in greater esteem.

Wesley

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Response: Most likely, the reason some oriental women try to let their eyes look western is because they think it looks nicer. Ironically, for the same reason some western women try to alter their eyes to look more oriental. There's just no accounting for taste.

Generalizations on oriental/western eyes are difficult, since in different parts of the orient, or the west, there are all kinds of eyes overlapping in appearance. It is really quite a subtle difference.

I'm not sure we can be definite on reasons for such differences; what has me astounded is that you consider this a reason for preferring creationism. Since you are not a biblical creationist, perhaps you believe that the "orientals" were created seperately from the "westerners" with various special differences. I think this is contradicted by the subtle gradations in forms of eyes in the many populations which defy simple classification into "oriental" and "western"; and that only some kind of evolutionary change makes sense of the evidence. Bibilical creationists generally assume humanity is descended from a single couple, which leaves subsequent evolutionary change as their preferred explanation also.

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Response: It is pointed out, but literalists have all sorts of ways around that. One is to "reconcile" the two accounts, which must be possible if the text is the literal Word of God. The other is to dismiss such observations as the result of liberal biblical scholarship, due to those dastardly "humanists", and so not worth responding to.

Evidence convinces some, but then they aren't creationists any more. However, there's a steady stream of new ones to fill that gap.

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Author of: Punctuated Equilibria
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George brings up an interesting point, but his conclusions do not necessarily follow from his premises.

We can set up the probability problem such that it is parameterized, allowing us to treat the beneficial mutation case and the harmful mutation case in the same fashion.

Each species has a (large but) finite number of organisms that live and die over its time of residence. We'll call this number N.

Each species will tend to have a characteristic probability that any particular individual's remains become a part of the fossil record and available for discovery later. We'll call this probability the "Per Individual Preservation Potential" or PIPP.

For each class of mutations that we are interested in, there are a set of parameters that we can apply to characterize the effect of these mutations. First, there is the per-individual probability that such a mutation occurs at all. Let's call this probability C. A mutation may be retained in the population at some frequency, or it can be lost shortly after appearing. The probability that any particular mutation of the type in question is retained in the population can be called R. (Thus the probability of loss is (1-R).) When a mutation is lost, it will have affected one or some small number of individuals. The average number of individuals affected by a mutation lost shortly after appearance is L. Mutations can occur at various times in the history of the species, and thus those individuals that lived before retetion of a mutation cannot possibly have the trait. The average time at which a mutation enters the population can be expressed as a number between 0 (time of speciation event producing the species) and 1 (time of extinction of the species). If a mutation is retained, then it will tend to achieve some equilibrium freqeuncy in the population after introduction. We'll call this proportion A.

The number of individuals which might be seen as fossils bearing a trait of a particular mutation type can be calculated as

Mut. type fossils = ((Individuals having mutation type that were lost)
+ (Individuals having mutation type that were retained))
* PIPP


We aren't quite at the point of plugging in our terms discussed above. Each individual organism might carry more than one mutation of the type being considered. What we need is to calculate the probability that an individual does not carry any such trait. First, we need the probability that an individual does not carry a particular trait of the type in question.

Probability that a trait that occurs is not carried by an individual =

1 - ((probability of a retained mutation) + (prob. of a lost mutation))

1 - ((((N-(N*K))*R*A)/N) + ((1-R)*L/N))


Given the probability that an individual doesn't carry a particular trait of the type being examined and an assumption that multiple such traits are independent of each other, we can work out the probability that an individual does not carry any such trait.


Probability that an individual carries no trait of a type =
(Probability of an individual not carrying a particular trait) ^ (Number of instances of the type of trait) =
(1 - ((((N-(N*K))*R*A)/N) + ((1-R)*L/N))) ^ (C*N)

We have in hand a set of parameters to apply. How do the numbers that get installed in these parameters differ between the beneficial mutation case and the harmful mutation case? Certain of them won't. The number of individuals is the same. The timing of retention or loss should not be assumed to differ. It is likely that the number of individuals affected by a trait that is lost will be very small whether the trait was beneficial or harmful. This leaves three parameters, C, R, and A. The probability of occurrence C can be stipulated to be larger for the harmful mutation case than for the beneficial mutation case. However, both R and A should be very much larger in the beneficial mutation case than in the harmful mutation case. A harmful mutation will only be retained in a population rarely, and then it will be confined to a very small proportion of the population. A beneficial mutation, on the other hand, will tend to be retained far more commonly, and its representation in the population will tend to be very high.

What one finds when these equations are applied is that there are values for the parameters which yield an expectation of many more beneficial traits than harmful traits to be seen in fossilized specimens. Further, these values are arguably reasonable values. Let's assume that any sort of mutation susceptible to discovery from fossil remains is rare, perhaps one in a billion (1E-9). Further, let's postulate that a harmful mutation is only slightly rarer, at 1E-10. Let's make beneficial mutations a nice round million times rarer than harmful ones, at 1E-16. For probability of loss of a beneficial mutation, let's be pessimistic and say that half of them are lost outright. Take 3 as our number of individuals affected by a mutation before loss for either beneficial or harmful mutations. For beneficial mutations, take the proportion for retained traits as one half. For harmful, this proportion is more like one in ten thousand or 1E-4. Likewise, harmful mutations are far more likely to be eliminated, again let's take one in ten thousand as our figure. I'll summarize...

Parameter Beneficial Harmful
C 1E-16 1E-10
R 0.5 1E-4
A 0.5 1E-4
K 0.5 0.5
L 3 3

The selection of numbers favors, if anything, George's position. Are beneficial mutations a million times rarer than harmful ones? No. Is the average proportion of beneficial traits at equilibrium 0.5? Usually, it would be very close to 1.0. Are beneficial mutations retained only half of the time? The real number probably lies closer to 0.75.

Plugging those in, one will find that there is a broad range of numbers of individuals for which many more beneficial traits will be evident than harmful ones. The range covers several orders of magnitude. At very small total N, one would find that the PIPP will make it unlikely that any fossils at all can be found. At very large total N, the numbers of both beneficial and harmful mutations available make it unlikely that any individual carries none of each. At the intermediate values, beneficial mutations are much more common than harmful ones.

Wesley

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Response: You are in luck. We have not one but three articles discussing Archaeopteryx. Archaeopteryx lithographica shows characteristics of both birds and reptiles. See the Archaeopteryx FAQs for details.
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Response: What the fossil record proves, beyond any reasonable doubt, is that living creatures have been around on the Earth for billions of years; and that over that time the form of living creatures has changed. Various forms arise in the fossil record, and diversify, and also become extinct. Forms existing in the recent past are more similar to those living now; forms existing in the remote past tend to be very different. This fact of change in the forms of living creatures over time is often called evolution.

Evolution also refers to the processes which we observe right now to cause changes in living forms. We observe the fact of change in the fossil record, and we study the processes leading to change in the present.

In science, the word "theory" generally refers to the study of the principles and foundations for some area of study. Hence we have a theory of calculus, a theory of relativity, and a theory of evolution. The word "theory" in this sense suggests a deeper theoretical level of understanding for certain observations; it does not mean the same thing as "hypothesis" or "guess".

This study of evolution does not eliminate the hand of God; unless you believe that God has no hand in the outcome of natural processes. Christians generally accept the observed facts of natural processes guiding embryonic development and leading to the development of a new individual; and they also believe that God is their own personal creator. Evolution is no more a denial of the hand of God than embryology.

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Author of: Punctuated Equilibria
Response:

Radiocarbon dating utilizes C14 and C12 ratios to produce a date. But where does C14 come from? It turns out that the C14 isotopes needed for doing dating come from the atmospheric reservoir, and thus only carbon artifacts resulting from a terrestrial and atmospheric carbon utilization will be accurately dated by these methods.

Notice that all of the examples given of discordantly dated artifacts result from organisms from aquatic environments or which obtain significant amounts of carbon from aquatic sources. Since carbon in aquatic environments may have long since have been removed from atmospheric sources, it will have depleted its ratio of C14 to C12 already to some degree even before incorporation into the organism eventually tested. Trying to produce a C14 date when the initial assumptions are violated is not likely to succeed.

Wesley

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Author of: Punctuated Equilibria
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The range of spiritual beliefs held by the volunteers who work on this web site runs the gamut. We include Christians, agnostics, and atheists. I haven't checked lately, but there may be a few Buddhists here, too.

What we have in common is a sense that science classrooms should teach science. Science teachers should not be forced to teach non-science, or to single out some one field of scientific inquiry for especial skepticism.

Recent events point out the seriousness of the problem. Kansas has removed both evolution and cosmology from its list of test questions for students. Kentucky is looking to substitute "change over time" for the keyword "evolution" in its educational materials. There are a variety of local school boards considering adoption of the propaganda of intelligent design in the form of the "Of Pandas and People" text. Whether YEC, OEC, of Intelligent Design Creationist, these groups all share the characteristic of wishing to change the content of science courses to suit their theistic agendas. I will expend a great deal of effort to oppose that.

The other reason why is that it is sometimes fun to point out a new and different error made by one or another anti-science advocate.

Discussions should be moved to the talk.origins newsgroup. I suggest posting the original comment there. I suspect that plenty of discussion will ensue.

Wesley

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Author of: Punctuated Equilibria
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Yes, dolphins have many adaptations for a marine existence. However, dolphins also show the traces of a terrestrial mammalian ancestry. For example, dolphins have the usual arrangement of the mammalian middle ear, which includes the incus-malleus-stapes chain of ossicles which for terrestrial mammals matches the impedance of air-borne sound received at the tympanum with the fluid of the inner ear's cochlear structure.

Testing of white whales, another species of odontocete mammal, at depths up to 300m showed that auditory thresholds were not significantly different from those at the surface. Terrestrial mammals whose hearing is tested under pressure show a significant increase in auditory thresholds as pressure increases. Odontocetes like white whales and dolphins still have the traits of the mammalian middle ear impedance matching apparatus, but apparently do not rely upon this structure for function.

Wesley

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Author of: Punctuated Equilibria
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I hope that George's calculations in physics are founded on better assumptions than the ones he asserts must hold for evolutionary change.

George says that 10^18 seconds have elapsed since the Big Bang. George posits this as a bound on the possible number of favorable mutations, though no reason why is given to relate the two. Biology is a science that uses big numbers, too. Let's say that some bacterium has a paltry 1/1000th the number of nucleotide bases in its genome as does a human, or about 3 million such bases. Let's assume that point mutations are the only type of mutation around. Let's assume a typical rate of mutation, say 1E-9 per base per copy. Let's assume that each bacterium in this strain divides every ten hours. Let's assume a constant population size of a trillion bacteria since the Archean age six hundred million years ago. (Such a population might be comfortably kept in a large beaker.)

Number of nucleotide bases copied per generation: 3E6 * 1E12 = 3E18

Number of point mutations per generation: 1E-9 * 3E18 = 3E9

Number of generations in 600 MY: 5.2E11

Number of point mutations in 600 MY for one small population of bacteria: 5.2E11 * 3E9 = 1.6E21

That number is sufficient to indicate that every single possible point change to a 3 million base genome was tried an average of 1.7E13 times over the course of a small bacterial population's 600 MY life.

That finding is sufficient to indicate that while George may think that he has a handle on the math, he is actually quite mistaken.

Wesley

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Author of: Creation Science and the Earth's Magnetic Field
Response: The moon currently recedes from Earth at a rate of 3.82±0.07 cm/year, according to Lunar laser ranging measurements (Dickey et al., 1994). The current average Earth-moon distance is 384,400 km. Extrapolated backwards over 4.5 billion years, the rate of 3.82 cm/yr would put the moon 212,500 km from Earth. In order to be physically unacceptable, the moon has to be within the Roche limit of 2.97 Earth radii (Stacey, 1977), or about 18,920 km.

The moon recedes from Earth because of the tidal interaction between them, and we do know that it must have been stronger (and the rate of recession faster) in the distant past. According to creationist arguments, the physics of this tidal interaction is incompatible with an evolutionary (i.e, 4.5 billion year old) Earth-moon system. But the creationist arguments invariably use the wrong physics to describe the tidal interaction, and therefore lead to spurious conclusions.

Creationist arguments invariably take into account only the effect of the tidal bulge, and ignore all dissipative processes, such as ocean tides (creationists Walter Brown and Don DeYoung both use this erroneous argument), but creationist Thomas Barnes doesn't even bother with that much detail, preferring to use vague generalizations, and sources as much as 100 years old! While Barnes' approach to the problem is simply useless, Brown decides that the maximum age of the Earth-moon system is about 1.2 billion years, and DeYoung derives a maximum age of 1.4 billion years. It would seem that these could hardly be happy results for somebody who wants Earth to be no more than 10,000 years old. DeYoung solves the problem by expediently deciding that the moon was created in place, while Brown dances around and pretends that the Earth-moon system could be a lot younger, without doing a very good job of explaining why. But both of them used extremely oversimplified models guaranteed to underestimate the true dynamic age of the system, a fact that seems to have escaped their collective attention altogether.

A correct derivation of the tidal interaction shows that it is dominated by the water oceans of Earth, an effect totally ignored by creationists. By 1982, it was known not only that the oceans dominated the interaction, but that the way the continents were distributed made a big difference (Hansen, 1982). So any attempt to understand the long term evolution of the system has to include plate tectonics and continental drift. It took quite a while to get the mathematical and computational capacity to attack the problem seriously, but that has now been done. The tidal evolution of the Earth-moon system has been computed, and shown to be compatible with an evolutionary age, because the rate of recession is not as fast early on as some thought, although more variable over relatively short periods than was thought (Ross & Schubert, 1989; Kagan & Maslova, 1994; Touma & Wisdom, 1994).

The creationist argument that the true age of the Earth-moon system is much younger than allowed by standard (i.e., evolutionary) theory is seriously flawed by virtue of being extremely oversimplistic. A correct analysis of the tidal interaction shows that there is no incompatibility. Observational evidence of clues left behind by the rotation rate of the youthful Earth confirms the correct analysis and refutes the simplistic creationist arguments (Sonett et al., 1996; Williams, 1997; Sonett & Chan, 1998)

References

Dickey, J.O. et al.
"Lunar Laser Ranging: A Continuing Legacy of the Apollo Program"
Science 265: 482-490; July 22, 1994

Hansen, Kirk S.
"Secular Effects of Oceanic Tidal Dissipation on the Moon's Orbit and the Earth's Rotation"
Reviews of Geophysics and Space Physics 20(3): 457-480; August, 1982

Kagan, B.A. & N.B. Maslova
"A stochastic model of the Earth-moon tidal evolution accounting for cyclic variations of resonant properties of the ocean: an asymptotic solution"
Earth, Moon and Planets 66: 173-188, 1994

Ross, M.N. & G. Schubert
"Evolution of the lunar orbit with temperature- and frequency-dependent dissipation"
Journal of Geophysical Research 94(B7): 9533-9544; July 10, 1989

Sonett, C.P. et al.
"Late Proterozoic and Paleozoic Tides, Retreat of the Moon, and Rotation of the Earth"
Science 273(5271): 100-104; July 5, 1996

Sonett, C.P. & M.A. Chan
"Neoproterozoic Earth-moon dynamics - Rework of the 900 Ma Big Cottonwood Canyon tidal laminae"
Geophysical Research Letters 25(4): 539-542; February 15, 1998

Stacey, F.D.
Physics of the Earth, John Wiley & Sons, Inc., 1977
Appendix B, "The Roche limit for the gravitational stability of the moon"

Touma, Jihad & Jack Wisdom
"Evolution of the Earth-moon system"
Astronomical Journal 108(5): 1943-1961; November, 1994

Williams, G.E.
"Precambrian length of day and the validity of tidal rhythmite paleotidal values"
Geophysical Research Letters 24(4): 421-424; February 15, 1997

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Response: Omit the "s", and try www.creationevidence.org. I've also marked it for addition to our links page. Thank you.
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Response: As it states in our Icecore Dating FAQ, Antarctic ice core samples show no evidence of a global flood. What they do show is that the Earth is at a minimum 160,000 years old. (Of course, it is actually much older than that.)
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