ALMOST every conceivable creationist claim is listed and debunked at the TalkOrigins website: Index to Creationist Claims. We link to that resource often; but like everyone else on the sane side of The Controversy between evolution and creationism, we’ve done some of our own debunking.
We’ve collected a few of our humble efforts into this post, so that we’ll have them in one place to which we can refer in the future. That should be far more convenient than scrambling through our archives when the need arises. We’ll be adding additional items from time to time, so perhaps the utility of this post — at least to us — will increase.
Creationists acknowledge what they call “micro-evolution” (observed changes due to mutation and selection, as with Darwin’s finches) but they insist that what they call “macro-evolution” (the result of cumulative changes over time) is impossible. We sometimes call this the “micro-macro mambo.”
If you ask a creationist why “macro” changes are impossible you’ll be told that it’s just impossible — some magic barrier interferes to preserve the integrity of scriptural “kinds.” Because of that unevidenced magical mechanism, which only the magic designer — blessed be he! — can overcome, creationists flatly assert that regardless of time, one species cannot evolve into another — despite the abundant fossil evidence to the contrary. Therefore, creationism requires belief in a two-part dogma consisting of: (1) the Great Barrier; and (2) the miracle that breaks through the barrier.
The error is enormous, because first it involves accepting, at the scale of a few visible generations, both the fact of and the mechanism for evolution (variation and natural selection), and then rejecting the inevitable consequences of what has been accepted. We’ve previously posted Micro Macro, Tutti Frutti. See also: Discoveroids Dance the Micro-Macro Mambo.
Here, being clueless as to how anything might have come to be, the creationist quotes some big number he copied from somewhere to claim that the universe (or a protein molecule, or life, or DNA, or human evolution) coming into existence or happening “by chance” is improbable, therefore … Oogity Boogity! But ignorance isn’t evidence of anything, except the need to get to work trying to figure it out.
The typical “odds” argument is easily rebutted. Here’s how we do it: There are 52 playing cards in a deck. The odds against the sequence resulting from a good shuffle are — as the mathematicians say — 52 factorial. You need to multiply 52 x 51 x 50, etc., and keep going until you get to the last card. That’s what factorial means. Fifty-two factorial is a big number. It works out to be 8.06581752 × 1067. That’s 8 (and a tad more) times 10 to the 67th power, a far larger number than the creationist usually quotes (or makes up) to “prove” that the odds are against evolution. For comparison, 52 factorial is much larger than the estimated number of stars in the universe, which is “only” 1021 (source: this NASA webpage). But there are decks of cards all over the place; and each of them is arranged in an extremely improbable sequence. Further, as we explained three years ago, the algorithm of evolution can easily defeat those odds. See The Inevitability of Evolution (Part III).
This is related to the micro-macro issue. Creationists seem unaware of this list of transitional fossils. They claim that a transitional creature is impossible, because — and here they regurgitate comic-book creationism — such a creature would have one fin and one leg, or one lung and one gill, or half an eyeball, or some other ridiculous and impossible set of features. No creature like the creationists’ caricatures ever existed, and no biologist thinks otherwise. Gross genetic deformities sometimes occur, but are rarely viable. What we now recognize as transitional creatures were fully-functional and fully-formed members of a breeding population of similar creatures, entirely capable of surviving in their environment. Except for lines that suffered extinction, each ancient species was a link in the long chain of life between its ancestors and its descendants.
In one sense, every creature that produces offspring is transitional, but in a brief time-span there are no visible evolutionary effects. For example, your father is obviously transitional between you and your grandfather, but you’re all clearly the same species. However, if we find a fossil from the middle of a long evolutionary chain that stretches over millions of generations, changes are evident. The fossil will have some characteristics that were common to its early ancestors but that don’t appear later, and some other characteristics that its ancestors didn’t have, but which are common to its distant descendants. That’s the value of the fossil record — with enough specimens, each is like a single frame in time-lapse photography, or a page in a flip-book.
We’ve devoted an entire post to Piltdown Man. As for Nebraska Man, that’s well debunked here by TalkOrigins, but there’s more to say. Nebraska Man is one of the biggest non-frauds in history. His fanciful image that was briefly seen in the press was created by a newspaper illustrator, and it was promptly criticized by the biologist who first suggested the tooth he found might be hominid. He reportedly called the illustration “a figment of the imagination of no scientific value, and undoubtedly inaccurate.” The error in identifying the tooth was discovered three years later. Nebraska Man should be in a category of honest errors, like the canals on Mars.
That so-called “law” which allegedly disproves evolution is a childish misunderstanding of Louis Pasteur’s work on spontaneous generation. This distortion of Louis Pasteur’s work is found only in creationist literature. Pasteur demonstrated that sealing food from airborne contamination would end the supposed “spontaneous generation” of mold and such. This has nothing to do with Darwin’s theory of evolution or with the ultimate origin of living things. Some fool or freak or fraud posted a crazed misinterpretation of Pasteur’s work at a creationist website and it’s been endlessly repeated ever since. Also, see Abiogenesis FAQs: Articles on the Origin of Life.
The Anthropic Principle — that the laws of nature and the fundamental physical constants seem remarkably suited to our own existence — is an interesting speculation; but as a scientific hypothesis pointing toward a Designer it’s a bit of a dead end because it’s utterly untestable. It shouldn’t surprise us that everything we discover about the universe is consistent with our existence — were it otherwise we wouldn’t exist. But it doesn’t follow that the universe exists for the purpose of our existence.
But if the universe were such that life could not exist, yet we found ourselves in a miracle bubble with unique physical laws, that would argue for a Designer — at least of our bubble. But as no bubble is required, it seems to us that such is also true for the hypothetical Designer. (And no, the Earth isn’t a miracle — it’s an entirely natural planet.)
Whenever the Anthropic Principle is mentioned, we find ourselves compelled to ask: What makes you think that without supernatural tinkering, the universe would have been different? How does one compute the odds against this specific universe? From where we sit, the odds favoring the universe seem to be 100%. Where is the evidence suggesting that this particular universe shouldn’t exist, or that its attributes should have been different from what they are?
The fundamental constants are either accidental or they’re not. If they’re an accident, so be it. We can accept that (and the universe wouldn’t care if we didn’t). But if they’re not accidental, that doesn’t establish that they were designed. In the absence of the Designer himself, the only verifiable alternative to accident would be a demonstration that the fundamental constants exist as they are because of physical necessity. It may be that we will eventually discover some deep principle that governs these fundamental values, such that they couldn’t have been anything other than what they are. We have no idea how to investigate this, and such a deep organizing principle may never be discovered even if it does exist. But while there is that alternative, and no genuine reason (other than our own existence) to suspect that the universe is in any way unusual, the magical mystery designer seems to be an unlikely and unnecessary explanation.
But we’re never upset by someone’s choosing to believe in something for which there is no evidence. In such cases one is free to indulge his personal preferences. Being a Curmudgeon, we’ve spoofed the idea: Intelligent Design: The Dung Beetle’s Tale.
Creationists claim that because copying something found in nature requires conscious effort on our part, this means that nature required intelligence to produce the results we try to copy. However, genetic algorithms are excellent evidence of nature’s ability to produce spectacular design results without thought. The everyday use of genetic algorithms to solve difficult problems clearly demonstrates, again and again, that the unthinking processes (mutation and natural selection) identified by Darwin are quite sufficient for the task.
There are numerous applications. Here are more specific examples of genetic algorithms being used to solve a variety of engineering problems. We posted about this here: Nature Doesn’t Need To Think. See also: The Woodpecker and the Intelligent Designer.
This creationist claim is easily refuted by the distant starlight problem — if the universe were only around 6,000 years old, then how is it possible that we see light coming from stars and galaxies that are millions of light-years away from us?
Their attempt to side-step that problem by claiming — without evidence — that the speed of light used to be much faster in the past is spectacularly refuted by our observation of supernova SN1987A, which undeniably indicates that lightspeed hasn’t changed for more than 168,000 years. There’s no way the universe we observe could be only 6,000 years old. We posted about this here: How Old Is The Creationists’ Universe?
This is the claim that Darwin’s most famous book, Origin of Species, is racist, and so was he. It’s one of the dumbest of all criticisms. We debunked all versions of that here: Racism, Eugenics, and Darwin. In particular we mentioned the most common slur, and by far the most ignorant one:
Such attacks on Darwin often rely on the title of his best-known book: On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life. That title is often the only thing by Darwin the creationists ever read, and they mindlessly misinterpret it.
That book doesn’t even discuss the evolution of humans, so the charge of racism — based solely on that title — is grotesquely misinformed. We also said:
In the on-line text of that book, we see that Darwin, like his contemporaries, uses the terms “race,” “sub-species,” “variety,” and similar expressions interchangeably in connection with a great number of animals (dogs, horses, etc.) and also plants (flowers, cabbages, etc.), sometimes intermixing them in the same context.
In that same post we also discuss Darwin’s alleged (but non-existent) connection with eugenics and selective breeding of humans. Those ideas are at least as old as Athens and Sparta. Unless Darwin had a time machine which enabled him to instruct the Spartans about destroying defective infants, and to encourage Plato to write about a selective breeding program for the republic, he’s innocent of the charges so unthinkingly made by creationists.
A list is given of pre-Darwin scientists, which always includes Isaac Newton. Before Darwin, there wasn’t much of an alternative to creationism. But the belief those men may have had in the Genesis creation account didn’t result in anything of scientific value. Nor have those beliefs produced anything since, nor will they ever. No scientific theory is based on six-day creation or Noah’s Ark. The accomplishments of science in the past have occurred in spite of scripture, and whenever there was a conflict — as with the Galileo affair — it was a disaster. There are a few present-day scientists who are also creationists, but like their predecessors, their work isn’t based on scripture.
This presumption of epistemological equivalence is utterly erroneous. Religion and science are totally different activities, and they have completely different definitions:
Science: The use of evidence to construct testable explanations and predictions of natural phenomena, as well as the knowledge generated through this process. [Source: National Academy of Sciences.] Faith: Now faith is the substance of things hoped for, the evidence of things not seen. [Source: Hebrews 11:1 (King James Version)] See: Creationist Wisdom #283: The Truth.
That’s a completely bogus distinction. It’s true that there are many historical sciences, such as cosmology, geology, climatology, plate tectonics, anthropology, paleontology, and of course evolution. This is in contrast to the “experimental sciences” like chemistry, that can be mostly conducted with lab experiments. Although historical events can’t be re-created in the lab, historical sciences are indeed scientific, because they’re based on verifiable observations and they produce theories are testable. See: ICR Says Scientists Don’t Understand Science, and also Creationism and Science.
The creationists’ claim is that “historical” science is a belief system based on unproven assumption, and there is no way to go back in time and use observational science to prove these assumptions are correct. But in a way, there is — by looking at the evidence to see if it fits in with what we’ve predicted based on everything else we know. See The Lessons of Tiktaalik.
As for being unproven, that’s true of all science. Unlike geometric theorems, scientific theories (and the propositions upon which they rely) are never literally proven. But they’re constantly being tested by experiments and observations; and those that fail are rejected (see Superseded scientific theories). Accepted theories are supported by all the available evidence, and contradicted by none.
Further, the different branches of science don’t exist in independent bubbles. Biology is consistent with geology and chemistry, and those — along with astronomy and cosmology — are consistent with physics. The strongest theories are cross-confirmed by independent lines of evidence, and they don’t contradict other branches of science; therefore we can be confident that all of science is describing the same reality.
Science is the only globally consistent view of reality. In contrast, the doctrines of one religion irreconcilably conflict with those of competing religions — and there are denominational conflicts within religions too. Were there no such unresolvable conflicts, then there would be only one religion, and it would have no long-lasting denominational disputes. The great variety of religious beliefs compared to the consistency of science is perhaps the most compelling argument of all.
Is reality — the natural, observable world — just a belief system? Maybe so, but it’s the only game in town that plays by a dependable set of rules we can understand and use, so that’s where to place your bets.
Complexity suggests design: it’s William Paley’s watchmaker argument.
Tornado in a junk yard: That one has its own Wikipedia article: Hoyle’s fallacy.
Mutations produce no new “information”: There are abundant examples to the contrary. See: Creationism and Nylon-Eating Bacteria. See also How One Gene Becomes Two Different Genes, and also Human Brain Gene “Sprang From Nowhere”?
Evolution = leftist politics: Not necessarily. Your Curmudgeon certainly isn’t of that persuasion, and the Institute for Creation Research is openly communistic. See: Creationist Wisdom — Example 68: Communism.
Laws of nature require divine will: Not really. So-called scientific laws are descriptions of observed regularities. They are observed because everything that exists has specific characteristics and acts accordingly — e.g., an electron always acts like an electron, and not a neutron. The laws of nature are an inevitable corollary of existence itself — not a capricious afterthought. See: Answers in Genesis Explains Science to Us.
Evolution (and all of science) is naturalism, which is atheism: That’s a common blunder which equates philosophical materialism with something very different — methodological materialism. See: Bring Me An Angel Detector!
“Were you there?”: This is related to the creationists’ claim that the past is unknowable — except through scripture. We dealt with it here: Hey, Ken Ham: “Were You There?”
See also: The Mystery of the Cambrian “Explosion”.
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