Posted on 12/11/2002 6:28:08 AM PST by A2J
By WILL SENTELL
wsentell@theadvocate.com
Capitol news bureau
High school biology textbooks would include a disclaimer that evolution is only a theory under a change approved Tuesday by a committee of the state's top school board.
If the disclaimer wins final approval, it would apparently make Louisiana just the second state in the nation with such a provision. The other is Alabama, which is the model for the disclaimer backers want in Louisiana.
Alabama approved its policy six or seven years ago after extensive controversy that included questions over the religious overtones of the issue.
The change approved Tuesday requires Louisiana education officials to check on details for getting publishers to add the disclaimer to biology textbooks.
It won approval in the board's Student and School Standards/ Instruction Committee after a sometimes contentious session.
"I don't believe I evolved from some primate," said Jim Stafford, a board member from Monroe. Stafford said evolution should be offered as a theory, not fact.
Whether the proposal will win approval by the full state Board of Elementary and Secondary Education on Thursday is unclear.
Paul Pastorek of New Orleans, president of the board, said he will oppose the addition.
"I am not prepared to go back to the Dark Ages," Pastorek said.
"I don't think state boards should dictate editorial content of school textbooks," he said. "We shouldn't be involved with that."
Donna Contois of Metairie, chairwoman of the committee that approved the change, said afterward she could not say whether it will win approval by the full board.
The disclaimer under consideration says the theory of evolution "still leaves many unanswered questions about the origin of life.
"Study hard and keep an open mind," it says. "Someday you may contribute to the theories of how living things appeared on earth."
Backers say the addition would be inserted in the front of biology textbooks used by students in grades 9-12, possibly next fall.
The issue surfaced when a committee of the board prepared to approve dozens of textbooks used by both public and nonpublic schools. The list was recommended by a separate panel that reviews textbooks every seven years.
A handful of citizens, one armed with a copy of Charles Darwin's "Origin of the Species," complained that biology textbooks used now are one-sided in promoting evolution uncritically and are riddled with factual errors.
"If we give them all the facts to make up their mind, we have educated them," Darrell White of Baton Rouge said of students. "Otherwise we have indoctrinated them."
Darwin wrote that individuals with certain characteristics enjoy an edge over their peers and life forms developed gradually millions of years ago.
Backers bristled at suggestions that they favor the teaching of creationism, which says that life began about 6,000 years ago in a process described in the Bible's Book of Genesis.
White said he is the father of seven children, including a 10th-grader at a public high school in Baton Rouge.
He said he reviewed 21 science textbooks for use by middle and high school students. White called Darwin's book "racist and sexist" and said students are entitled to know more about controversy that swirls around the theory.
"If nothing else, put a disclaimer in the front of the textbooks," White said.
John Oller Jr., a professor at the University of Louisiana-Lafayette, also criticized the accuracy of science textbooks under review. Oller said he was appearing on behalf of the Louisiana Family Forum, a Christian lobbying group.
Oller said the state should force publishers to offer alternatives, correct mistakes in textbooks and fill in gaps in science teachings. "We are talking about major falsehoods that should be addressed," he said.
Linda Johnson of Plaquemine, a member of the board, said she supports the change. Johnson said the new message of evolution "will encourage students to go after the facts."
Don't get me wrong; the world does appear to be older than the 6000 years deduced by Bishop Usher. Nonetheless the billion-year figures you see in geology books do not appear to be on any firmer ground than the bishop's calculations were.
Varves are one example of the problems involved.
A vew examples:
Some thick and extensive sedimentary layers have remarkable purity. The St. Peter sandstone, spanning about 500,000 square miles in the central United States, is composed of almost pure quartz, similar to the sand on a white beach. It is hard to imagine how any process, other than global liquefaction, could achieve this degree of purity over such a wide area. 16 Almost all other processes involve mixing, which destroys purity.Streams and rivers act on a small fraction of the available sediments and deposit them along a narrow line, but strata are not linear features. Liquefaction during the flood acted on all sediments and sorted them over large areas in a matter of weeks or months.
Sedimentary layers usually have boundaries that are sharply defined, parallel, and nearly horizontal. Thin, sharply defined layers are sometimes stacked vertically, thousands of feet deep. If each layer had been laid down thousands of years apart, erosion would have destroyed this parallelism. Again, liquefaction explains this common observation...
Varves are extremely thin layers which evolutionists claim, without much justification, are laid down annually in lakes. By counting tens of thousands of varves, they believe elapsed time can be determined. However, since varves are so uniform, show no evidence of the slightest erosion, and are deposited over wider areas than tiny "stream deltas," they are better explained by liquefaction. PREDICTION 14: If representative corings are taken in the bottom of any large lake, they will not show laminations as thin, parallel, and extensive as the varves of the Green River formation....
Fossils not formed by gradual processes:
Dead animals and plants quickly decay, are eaten, or are destroyed by the elements. Their preservation as fossils requires rapid burial in sediments thick enough to preserve their bodily form. This rarely happens today. When it does, such as in an avalanche or a volcanic eruption, the blanketing layers are not strata spanning hundreds of thousands of square miles. Liquefaction provides a mechanism for the rapid burial of trillions of fossils in appropriate layers. A similar statement can be made concerning fossilized footprints and tracks of many animals. (See also 21. Rapid Burial on page 7 .)...
The absence of meteorites in deep sediments is consistent only with a rapid deposition of all the sediments. (See 77. Shallow Meteorites on page 28 .)...
Almost all animals are directly or indirectly dependent on plants for food. However, geological formations frequently contain many fossilized animals without fossilized plants. 17 How could they have survived? Apparently the fossilization process involved a sorting that treated plants and animals differently....
The article neglects to mention that a global flood could wash animals into basin areas for burial while plants and trees, having roots, would be somewhat harder to wash away or might take longer to uproot and then get washed into other areas. Like I say, the entire general approach taken by geologists does not appear to be on solid ground.
Thanks for all of your hypocracy. It makes it easier to deal with you. You have called the entirety of us racists. You have mentioned our insanity. You are just as guilty and yet you take the high road. Very liberal of you gore3000.
Ah, the old LBB definition of evolution -- that critters evolve into more complex critters -- which has absolutely no bearing on the real definition of evolution -- that critters change to fit their environments.
When multiple forms of radiometric dating come to the same conclusion as to the age of a rock sample, one can come to a fairly definite conclusion as to the age of that rock. I have a lovely link on radiometric dating from a Christian perspective which you might find interesting.
That you are ignoring 1352, a more detailed explanation of the difference between a varve and a Mt. St. Helen's style ash-layering, looks bad in itself. But it's straight from the creationist combat manual to just sort of brazen on no matter how your legs get cut from under you.
It can't be very difficult for someone who has surveyed all Nobel Prize winning work and has declared that it all disproves evolution. An intellect of such sweeping power should be able to give us his answer. HOW OLD IS THE EARTH?.
Accepted.
The fact that placing an arbitrary mass next to another arbitrary mass results in a predictable perturbation. This is done in student labs everyday, where students are asked to measure the "gravitational constant" G by the use of a torsion balance.
Oh, you can measure gravity, sure. I'm willing to bet that you have not performed torsion-balance tests for the moon, however, or for the galaxy. Ultimately, you trust the practitioners in the field to perform different types of tests, and you trust them when they say that the theory is a good fit to the data. In this way, the universality of gravitation and the common descent of species (to compare apples to apples) are on the same intellectual footing from the layman's point of view.
Universal gravitation has overwhelming experimental evidence. It can be observed in the present at any time we wish.
But there's a fly in that ointment. Once you get beyond the scale of the solar system, a naive application of Newton's Law of Universal Gravitation breaks down. Stars on the rim of the galaxy orbit too quickly than can be accounted for by adding up the visible matter of the galaxy. (Google up the exact phrase "flat rotation curve" and you'll get a heap of information about this.) The standard explanation is that there's an undiscovered form of invisible matter permeating the galaxy, but until the precise nature of dark matter is elucidated, it falls in the category of an ad-hoc "fudge factor". (Amusingly, it's the creationists who howl the loudest about this.) If there is no dark matter--and we haven't found it yet--then gravity cannot have the same form everywhere and at all scales. In other words, gravity is not universal.
The same cannot be said of evolution. If for no other reason, its time scale is too large. Meaningful predictions cannot be verified.
I can level the same charge against universal gravitation, and in a supreme twist of irony, the relevant time scales are about the same. You see, in order to examine the behavior of gravity on a large scale, it is necessary to observe the light from distant stars and galaxies. Light has a finite speed, however, so when we observe the motion of stars around the galaxy, we are looking back 100,000 years, because they are up to 100,000 light years away. (Incidentally, 100,000 years is about as far back as you have to look in the fossil record to see evolutionarily meaningful changes in human fossils.) If you want to test the universality of gravitation on a still larger scale, by looking at the motions of galaxies in a cluster, you have to look back 100 million years. (In the fossil record, this takes you back to the time of the dinosaurs.) To test on a cosmologically meaningful scale takes you back to the time when life was beginning on Earth.
I myself have not performed these fossil-light tests of the universality of gravitation. (They have been performed by people whose word I take for it, however, with the dark-matter-contingent confirmation I mentioned before.) I have, however, personally performed tests of evolution upon the fossil record.
The slate beds of Pennsylvania provide a remarkably complete picture of a coastal ecosystem over a 34-million-year span of time. People have assembled long chains of fossils showing the morphological changes in several classes of animal. All it takes to falsify the picture of descent-with-modification is to find "later" forms in "earlier" beds. With my own hands I have dug fossil crinoids, trilobites and brachiopods, and verified that they occurred in exactly the beds where they should.
Several studies by several methods seem to bracket the answer rather tightly. If you know what you're talking about in discussing the age of the earth, you have some awareness of that.
Below is a table of radiometric ages derived from groups of meteorites:
|
|||
Type | Number Dated |
Method | Age (billions of years) |
---|---|---|---|
|
|||
Chondrites (CM, CV, H, L, LL, E) | 13 | Sm-Nd | 4.21 +/- 0.76 |
Carbonaceous chondrites | 4 | Rb-Sr | 4.37 +/- 0.34 |
Chondrites (undisturbed H, LL, E) | 38 | Rb-Sr | 4.50 +/- 0.02 |
Chondrites (H, L, LL, E) | 50 | Rb-Sr | 4.43 +/- 0.04 |
H Chondrites (undisturbed) | 17 | Rb-Sr | 4.52 +/- 0.04 |
H Chondrites | 15 | Rb-Sr | 4.59 +/- 0.06 |
L Chondrites (relatively undisturbed) | 6 | Rb-Sr | 4.44 +/- 0.12 |
L Chondrites | 5 | Rb-Sr | 4.38 +/- 0.12 |
LL Chondrites (undisturbed) | 13 | Rb-Sr | 4.49 +/- 0.02 |
LL Chondrites | 10 | Rb-Sr | 4.46 +/- 0.06 |
E Chondrites (undisturbed) | 8 | Rb-Sr | 4.51 +/- 0.04 |
E Chondrites | 8 | Rb-Sr | 4.44 +/- 0.13 |
Eucrites (polymict) | 23 | Rb-Sr | 4.53 +/- 0.19 |
Eucrites | 11 | Rb-Sr | 4.44 +/- 0.30 |
Eucrites | 13 | Lu-Hf | 4.57 +/- 0.19 |
Diogenites | 5 | Rb-Sr | 4.45 +/- 0.18 |
Iron (plus iron from St. Severin) | 8 | Re-Os | 4.57 +/- 0.21 |
|
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After Dalrymple (1991, p. 291); duplicate studies on identical meteorite types omitted. |
As shown in the table, there is excellent agreement on about 4.5 billion years, between several meteorites and by several different dating methods. Note that young-Earthers cannot accuse us of selective use of data -- the above table includes a significant fraction of all meteorites on which isotope dating has been attempted. According to Dalrymple (1991, p. 286) , less than 100 meteorites have been subjected to isotope dating, and of those about 70 yield ages with low analytical error.
Further, the oldest age determinations of individual meteorites generally give concordant ages by multiple radiometric means, or multiple tests across different samples. For example:
Meteorite Dated Method Age (billions
of years)
Allende whole rock Ar-Ar 4.52 +/- 0.02
whole rock Ar-Ar 4.53 +/- 0.02
whole rock Ar-Ar 4.48 +/- 0.02
whole rock Ar-Ar 4.55 +/- 0.03
whole rock Ar-Ar 4.55 +/- 0.03
whole rock Ar-Ar 4.57 +/- 0.03
whole rock Ar-Ar 4.50 +/- 0.02
whole rock Ar-Ar 4.56 +/- 0.05
Guarena whole rock Ar-Ar 4.44 +/- 0.06
13 samples Rb-Sr 4.46 +/- 0.08
Shaw whole rock Ar-Ar 4.43 +/- 0.06
whole rock Ar-Ar 4.40 +/- 0.06
whole rock Ar-Ar 4.29 +/- 0.06
Olivenza 18 samples Rb-Sr 4.53 +/- 0.16
whole rock Ar-Ar 4.49 +/- 0.06
Saint Severin 4 samples Sm-Nd 4.55 +/- 0.33
10 samples Rb-Sr 4.51 +/- 0.15
whole rock Ar-Ar 4.43 +/- 0.04
whole rock Ar-Ar 4.38 +/- 0.04
whole rock Ar-Ar 4.42 +/- 0.04
Indarch 9 samples Rb-Sr 4.46 +/- 0.08
12 samples Rb-Sr 4.39 +/- 0.04
Juvinas 5 samples Sm-Nd 4.56 +/- 0.08
5 samples Rb-Sr 4.50 +/- 0.07
Moama 3 samples Sm-Nd 4.46 +/- 0.03
4 samples Sm-Nd 4.52 +/- 0.05
Y-75011 9 samples Rb-Sr 4.50 +/- 0.05
7 samples Sm-Nd 4.52 +/- 0.16
5 samples Rb-Sr 4.46 +/- 0.06
4 samples Sm-Nd 4.52 +/- 0.33
Angra dos Reis 7 samples Sm-Nd 4.55 +/- 0.04
3 samples Sm-Nd 4.56 +/- 0.04
Mundrabrilla silicates Ar-Ar 4.50 +/- 0.06
silicates Ar-Ar 4.57 +/- 0.06
olivine Ar-Ar 4.54 +/- 0.04
plagioclase Ar-Ar 4.50 +/- 0.04
Weekeroo Station 4 samples Rb-Sr 4.39 +/- 0.07
silicates Ar-Ar 4.54 +/- 0.03
After Dalrymple (1991, p. 286); meteorites dated by only a single means omitted. Also note that the meteorite ages (both when dated mainly by Rb-Sr dating in groups, and by multiple means individually) are in exact agreement with the solar system "model lead age" produced earlier.
So yes. To claim there's no reason to think one thing versus another is to appear uninformed.
You're even ignoring that your own chosen and linked definition specifically calls for alternating layers of clay and silt, not layers of different consistencies of volcanic ash. No geologist except a creationist would be confused for more than thirty seconds telling one from the other.
Why are you doing this? What would anyone who can see what you miss be thinking in letting himself be informed by one so wilfully, blissfully ignorant?
Where on earth did you go to school, child? The middle ages? That's not even in left field.
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