Creation-Evolution Headlines
July 2008
photo strip

“And so the question that survives, even in the wake of so momentous an achievement [as the Apollo moon missions], is whether those laws, and that engineering, are drawn from a culture, so to speak, that is to have pride of place in the matter of assessing all of reality.  The word itself, ‘reality,” presupposes a percipient.  It’s not a sophist trick to ask, ‘Whose reality?’ or, ‘Reality in relation to what?”  The aim throughout is to understand the setting of our own lives, at once physical, social, political and moral.  And it remains to be debated whether ultimate authority in these respects is held by science.” 
—Dr. Daniel N. Robinson, concluding a lecture on Philosophy of Science for The Teaching Company.
AstronomyBiomimeticsBirdsBotanyCell BiologyCosmologyDating MethodsDinosaursEarly ManEducationEvolutionFossilsGenetics and DNAGeologyHealthHuman BodyIntelligent DesignMammalsMarine LifeMediaOrigin of LifePhysicsPolitics and EthicsSETISolar SystemTheologyZoology     Awards:  AmazingDumb       Note: bold emphasis added in all quotations unless otherwise indicated.
2002 2003 2004 2005 2006 2007 2008
Search
 
  Watch for the Recycle logo to find gems from the back issues!

Wet Cave with Fossils Found in Dry Desert   07/31/2008    
July 31, 2008 — The Atacama Desert in Chile is one of the driest places on earth – it gets about 1mm of rainfall per year, if that – but scientists just discovered a wet cave there.  Robert Roy Britt reported for Live Science that these desert caves can contain water, and at least one is loaded with fossils – indicating a moist climate for the region in the past.
    The discovery was totally unexpected, the article says.  There is even evidence of prehistoric human activity.  Hundreds of thousands of bones in one of the Atacama caves, mixed with tree branches, were found eroding out of cave walls.  The article contains a link to a photograph of ungulate bones seemingly jammed together in the wall in a haphazard manner.  Ungulates (grazing animals that chew the cud) must have enjoyed a wealth of grass here at one time.
    The team led by J. Judson Wynne of the SETI Institute was exploring the desert for caves that might resemble those on Mars, in hopes of finding likely places to look for life.  Mars is still a question, but there was apparently plenty of life at this location in the past.  The team is seeking to determine whether the bones were “dumped into the cave by prehistoric people or if perhaps they were trapped by a flood.”  One of the team members was “marveling over the extent of this deposition as well as discussing what could have possibly led to the deposition of these bones.”  Readers may want to follow the adventures of the expedition on Wynne’s blog.
    Speaking of caves, another amazing underground feature has been exciting cavers since its discovery in New Mexico in 2001.  A large passageway in old Fort Stanton Cave sports a river of crystal running for over four miles – the longest known cave formation in the world.  See Live Science for the story.  Named the Snowy River by its discoverers, it is unique and beautiful.  They still have not determined how far it goes.  The Bureau of Land Management tells about its discovery and has a photo gallery of the river and the cave.  In a return trip last year, cavers were surprised to find water flowing over the crystal.  It had been dry on previous surveys.  Apparently new layers of calcite are deposited each time the underground river periodically flows.

What a planet we live on.  There are still phenomenal discoveries to be made.  Imagine hundreds of thousands of fossils and tree branches buried in one of the driest places on earth.  What does that suggest?
Next headline on:  GeologyAmazing Facts
  Visualize an Ethernet in your eyeball.  Revisit the 07/27/2006 entry.

What’s SETI Got to Do With It?   07/31/2008    
July 31, 2008 — The science news outlets are all posting a story from Space.com about how you can adopt a scientist.  Mark Showalter is an interesting guy – astronomer, scuba diver, amateur naturalist, award-winning photographer, and specialist in planetary rings.  But why was this story posted in the SETI column?
    There doesn’t seem to be anything Mark has done to find intelligent life in space.  It appears that the SETI Institute, with its “Adopt a Scientist” program, hopes that getting people to follow a scientist around will end up transferring his passion for science onto the search for life in space.  “When you adopt a scientist, you help lead the way towards answering profound questions regarding our place in the universe,” the article says.
    Another story from Live Science talks about a cave explorer adventuring in Chile who is also a member of the SETI Institute (see previous entry).  His work is aimed at comparing habitats on Earth that might compare to those on Mars where life might be found.  Again, though, the search for microbes has nothing to do with the search for extraterrestrial intelligence.

This is an example of the propaganda tactic of transfer or association.  The positive vibes you receive by getting to know an interesting person are supposed to transfer over into making you think that SETI is science, not religion.  Anybody can play the association game.  Mark is a nice guy with a lot of abilities and interests, but his personality does not put SETI in the Science column.  Science needs data.  SETI will become a science when Mark finds an alien in his viewfinder, on his next dive, or in the rings of Saturn.  Good luck.
Next headline on:  SETISolar System
Ethane Lake Found on Titan   07/31/2008    
July 31, 2008 — Liquid ethane has been detected in a lake near the south pole of Saturn’s moon Titan, reported JPL yesterday.  This confirms long-held suspicions that ethane, a byproduct of methane disruption by the solar wind, accumulates on the surface of the large atmosphere-shrouded moon.  A problem remains why there is so little of it.  Pre-Cassini predictions envisioned a global ocean of liquid ethane.
    Nature1 reported observations by the Cassini Visual and Infrared Mapping Spectrometer (VIMS) of a lake near the south pole that had been discovered previously.  The specular signal indicated an extremely smooth surface – smoother than any geological process could make.  The spectrum of ethane, a hydrocarbon that is liquid at Titan’s surface temperature, confirmed that ethane is present.
    Ethane is formed when atmospheric methane, CH4, in its gaseous form, is struck by the solar wind in Titan’s upper atmosphere.  The bombardment strips off a hydrogen atom.  The ionized methane molecules, CH3+, quickly combine into ethane, C2H6, which falls to the surface as rain.  A stable molecule, ethane should collect continuously on the surface in pools and lakes.  The chemical process is irreversible (03/11/2005).  Ethane cannot evaporate back up into the atmosphere, nor can it dissociate back into methane.  This should lead to the accumulation of liquid ethane on the surface of Titan over time.
    Calculations prior to Cassini’s arrival showed that a global ocean of ethane and liquid methane should have accumulated over 4.5 billion years – up to a half-mile deep or more.  Pre-arrival radar images from earthbound instruments cast doubt on the presence of a global ocean, but before the Huygens Probe parachuted to the surface (01/15/2005, 01/21/2005), scientists were still hoping for a splash.  The probe landed, instead, on a dry lake bed of what appears to be methane-saturated icy sand, with only traces of ethane present.
    “Before Cassini, scientists thought Titan would have global oceans of methane, ethane and other light hydrocarbons,” the JPL press release stated.  “More than 40 close flybys of Titan by Cassini show no such global oceans exist, but hundreds of dark, lake-like features are present.”  The southern lake, comparable to the Great Lakes in extent, has been named Ontario Lacus – Lake Ontario.  Science Daily posted a picture of the 150-mile-long lake from orbit.  It covers 7,800 square miles, slightly larger than its earthly counterpart.  How deep is it?  VIMS can only constrain the minimum depth to 3/4 of an inch.  It could be much deeper.  The presence of a beach around the perimeter, though, suggests that the lake is evaporating.  Scientists wonder if the lakes migrate from pole to pole as the seasons change during Saturn’s 29.4-year orbit.  Cassini has detected more and larger lakes in Titan’s northern latitudes (radar map) than in the south (radar map).
    The original paper began with the mystery of the missing ethane ocean: “Titan was once thought to have global oceans of light hydrocarbons on its surface, but after 40 close flybys of Titan by the Cassini spacecraft, it has become clear that no such oceans exist.”  The statement included references to five papers from 1982 to 1995 predicting an ocean (see 1983 and 1993 abstracts by Lunine), including two by Carl Sagan (1982, 2002).  Francois Roulin, commenting on the paper in the same issue of Nature,2 noted that “Titan’s lakes are probably a liquid ethane–methane mixture together with dissolved nitrogen, as previously proposed for the speculative oceans” that turned out to exist only on paper.  Jonathan Lunine, who had predicted a global ocean in 1983, told National Geographic News that the lakes “do not hold enough ethane to account for what can be produced over the age of the solar system.  So we still have a mystery here.”  See also the 02/15/2008 entry.
    The lake may contain other organic molecules besides ethane.  Hydrocarbons and nitriles such as propane, butane, acetylene and benzene have been detected in Titan’s atmosphere, as well as high-mass cluster ions.  Cosmic rays bombarding the lakes may produce additional exotic molecules.  Artwork tries to convey what an observer might see on this dim world with orange sky; here is another.  The surface near the Huygens Probe was actually photographed in realistic color in this historic image from the landing site.  Photographs of the descent have been put together into a stunning movie available from the Descent Imager website.
    Titan turned out to be drier than expected.  The equatorial regions are awash in dunes reminiscent of the Namib Desert – except that the particles are made of ice, probably coated with hydrocarbons manufactured in Titan’s bizarre chemical laboratory.
1.  Brown, Soderblom et al, “The identification of liquid ethane in Titan's Ontario Lacus,” Nature 454, 607-610 (31 July 2008) | doi:10.1038/nature07100.
2.  Francois Roulin, “Planetary science: Organic lakes on Titan,” Nature 454, 587-589 (31 July 2008) | doi:10.1038/454587a.
Here is a science project crying out for some mathematically-minded person to work on.  It can be done right at the desk without special equipment – just a literature search and a calculator.  Figure out how long it would take to get the observed lakes on Titan.  Inputs are conservative rates of ethane production in the atmosphere and the most optimistic estimates of lake volume.  The result should place a severe upper limit on the age of Titan.
    Scientists have downplayed the severity of this problem.  They usually mention it in passing only to change the subject.  Usually, they jump to the possibility that Titan’s organic chemistry might have something to say about the origin of life (07/26/2005) – a foolish distraction.  Where is the ethane?  There should be a huge ocean of it by now, according to their belief in billions of years.
    Their only escapes now are less credible.  They have to claim the chemical process started recently, or that the ethane remains in the atmosphere (how long could that last?), or that the ethane went underground.  They never, ever question the billions-of-years age!  Their problem would be solved by reducing the age of Titan (and Saturn, and the solar system) by a few orders of magnitude.  That would fit this observation and many others (e.g., 04/08/2005, 06/29/2008, 05/05/2008, 03/10/2008, 12/03/2007, 08/04/2007, 07/18/2007, 05/04/2007, 03/31/2007).
    So here is a challenge.  The long-age believers made a prediction that appears to have been falsified.  We want to know what they are going to do about it.  Don’t let them sweep this problem under the crust.
Next headline on:  Solar SystemDating Methods
Dinosaur Soft Tissue: Fooled by Slime?   07/30/2008    
July 30, 2008 — The claim made in 2005 that soft tissues in dinosaur bone had been discovered (see 03/24/2005) has been challenged by new research published in PLoS One.1  Maybe the pliable stuff is just slime.
    Thomas Kaye from the Burke Museum of Natural History in Seattle with two colleagues were actually hoping to find more soft tissue samples.  After analysis, they concluded instead that what they saw in both dinosaur bone, turtle and ammonite fossils is bacterial biofilm that grew in the hollow spaces inside the fossils.  This challenges the findings of Mary Schweitzer’s team who not only claim to have found flexible tissues and remnant blood vessels, but had also sequenced collagen protein in the samples (04/12/2007).  Kaye interprets the putative iron-rich blood cell remnants as framboids – microscopic mineral spheres.  Finding similar structures in an ammonite (squid-like animal with a shell) and turtle indicated to the team that these framboids were too common to be examples of exceptional preservation from the original tissue.  Instead, they postulate that bacterial biofilms grew inside and around the original tissue, maintaining the shape of it after it had decayed away.  The paper was summarized by Science Daily, PhysOrg and Reuters.
    According to New Scientist, though, Schweitzer is not convinced.  Her studies indicated that the dinosaur collagen resembled that of chicken, and the mammoth collagen resembled that of elephants.  Kaye offered no explanation for how that could happen, she said.  Other scientists quoted in the article conjectured that the tissues could be composites of both original tissue and biofilm.  The Reuters article quotes Kaye as saying, “We are not experts in the field.  We are not disagreeing with the fact that their instruments detected protein.  We are offering an alternative explanation.”
    The original paper offered more evidence that the proteins are from modern bacteria:
Bridged trails observed in biofilms indicate that a previously viscous film was populated with swimming bacteria.  Carbon dating of the film points to its relatively modern origin.  A comparison of infrared spectra of modern biofilms with modern collagen and fossil bone coatings suggests that modern biofilms share a closer molecular make-up than modern collagen to the coatings from fossil bones.  Blood cell size iron-oxygen spheres found in the vessels were identified as an oxidized form of formerly pyritic framboids.  Our observations appeal to a more conservative explanation for the structures found preserved in fossil bone.
The team investigated 15 genera from seven different geological formations, including the Hell Creek formation where the T. rex soft tissue had been found.  The tissues in this investigation were compared with modern biofilms grown in the laboratory.  Some of them bore branching structures mimicking blood vessels.  The procedure, however, is not as simple as just looking at the tissue with a magnifying class.  Their methods indicate significant alteration and interpretation:
A turtle carapace from the Hell Creek formation was selected for spectroscopy because of its proportionally large chambers in the trabecular bone that allowed scraping the coatings loose.  Two milligrams of material was ground with 450 milligrams of potassium bromide (KBr) and pressed into a pellet using 8 tons pressure.  Modern biofilms grown on microscope slides in pond water were allowed to desiccate for 7 days and 2.5 milligrams were pressed into a KBr pellet as above.  A 2.5 milligram sample of desiccated tendon from a chicken was ground with KBr and pelletized.  Spectrums were taken on a Nicolet 510P bench at 1 cm-1 resolution with a minimum of 15 scans.  Infrared flux was matched within 5% for all specimens and a clean KBr pellet used for background subtraction between specimens.  Excel cross correlation routines were used to determine percentage of similarity for spectrums.
The team did apply several cross-checks.  Bones from the surface and from burial meters down showed the same effects.  Spectra from living and fossilized specimens were compared.  They did not find as close a correlation of the tissues with modern collagen—only 37%.  In addition, the radiocarbon dates correlated with modern times.
    How did these biofilms grow to look so much like original soft tissue?  Here was their explanation:
A biofilm would coat the voids of vascular canals and lacunae, producing an endocast of the structure.  Once the bone is dissolved, these biofilm endocasts would closely mimic pliable vascular structures.  The results presented here suggest that the tubular structures and osteocytes are formed by this process.  The lack of observed cell structure in the transparent tubes is inconsistent with preserved tissues.
They further stated that bacteria are known to produce collagen-like proteins.  And since biofilms are ubiquitous in nature, existing on almost any water/surface boundary, they could be expected in the cave-like surfaces inside bones.  “They provide a protective medium against changes in the broader environment from pH levels, toxins, etc.,” they said.  “They are viscous, flexible and long lasting through mineralization.”  That’s how the earlier team was misled, they think: “When biofilms coat a substrate, and that substrate is subsequently removed, the biofilm will retain much of the original morphology.  This can explain the quantity and similarity of structures found in fossil bone and indicates that these structures are unlikely to be preserved dinosaurian tissues but the product of common bacterial activities.
    It appears, therefore, that they made a good case for interpreting the soft tissues as modern bacterial slime, not original dinosaurian remnants.  Further investigation will be required to answer new questions this interpretation raises – along with time for rebuttal from the Schweitzer team.
Update::  After our first posting of this story today, National Geographic reported it and said Mary Schweitzer is standing by her claims.  She offered four counter-arguments: (1) No biofilms have been reported with branching, hollow tubes such as the ones she found in the T. rex bone; (2) Over time, gravity would have made the films thicker at the bottom, contrary to what her team found; (3) Methane-breathing bacteria have never been reported inside bone; (4) Kaye’s team failed to address her team’s follow-up reports that employed chemical and molecular evidence for soft tissue.  Surprisingly, Kaye responded, “If they say they got T. rex protein, then we’re not disagreeing.”  He just questioned why they got so little of it.  A paleontologist at the National Museum of Natural History left it as a draw.  Both teams make compelling arguments.  “I think you do have two very interesting alternative hypotheses,” he said.
1.  Kaye, Gaugler and Sawlowicz, “Dinosaurian Soft Tissues Interpreted as Bacterial Biofilms,” Public Library of Science One 3(7): e2808 doi:10.1371/journal.pone.0002808.
We agree with Kaye that “You have to go where the science leads,” and if Schweitzer ever retracts the claim (based on the best evidence and further study) that these represent (at least in part) original soft tissues from the dinosaur, then so be it.  We’ll have to concede the point.  However, a number of questions arise from the new interpretation.  For one thing, as some observers noted in the New Scientist write-up, the structures could still be a composite of original tissue and biofilm.  And why did Schweitzer get a match of collagen in the dinosaur bone with that of chickens, while using the same techniques, got the collagen in mastodon bone to resemble that of elephants?  What about Schweitzer’s discovery of fragile medullary bone in the same dinosaur fossil? (see 11/11/2006).
    We asked a dozen follow-up questions in the 11/11/2006 entry when the slime interpretation was first raised.  More questions come to mind now.  Why was biofilm inside fossilized bone discovered now, after centuries of collecting fossils?  Is there something in common with the environments displaying this phenomenon?  What did all the scraping, grinding and pressing do to the original material?  Maybe less destructive techniques need to be used for corroboration.  Even if biofilms can conform to original tissues and persist after they decay away or fossilize, is it reasonable to believe they would remain unaltered for 68 million years?  If the biofilms date modern by radiocarbon methods, and bacteria are still seen swimming around, it would have to imply the bacteria have been sitting there all this time, incorporating carbon-14 as they grow and divide millions of times.  What did they live on after the original tissue was all gone?  Wouldn’t there be evidence of millions of generations of biological growth in the bacterial colony?  How reasonable is it to assume that for 68 million years, a biofilm would maintain such a good mimic of original dinosaur tissue (now long gone) that it would fool careful researchers in the lab?
    So even granting victory to the Kaye team’s interpretation would seem to still argue these bones aren’t that old.  Evolutionists tell us the world underwent drastic changes since this fossil was deposited.  A meteor nearly destroyed all life on earth.  Mountains rose, valleys sank, floods came, tectonic plates mashed against one another while others drifted apart, climates warmed and cooled, ice sheets blanketed continents and animal life was evolving like crazy.  Cows evolved into whales and shrews evolved into giraffes.  All that time, we are asked to believe, the bacteria in that bone held hands to maintain the shape of long-gone soft tissue for millions of generations, till in 2005 a team of scientists found it so perfectly matching collagen and blood vessels they announced to the world the discovery of original soft tissue.  How credible is that?  The fact that Kaye et al found similar biofilms in ammonite and turtle might just suggest those fossils aren’t millions of years old, either.
    This is a scientific controversy in progress.  It illustrates the tentative nature of scientific announcements.  The biofilm advocates might argue that Schweitzer’s soft-tissue interpretation is the extraordinary claim that demands extraordinary evidence.  One should take a conservative, guarded attitude about it till more observations can test it.  Fine; creationists were going strong without dinosaur soft tissue.  Their views do not require it.  It would be very interesting to them if the soft-tissue interpretation wins out, and they could employ it as additional evidence falsifying millions of years.  Even so, their claims were no less robust before the surprise announcement in 2005.  Creationists don’t need the soft tissue, but evolutionists need their millions of years.  As we have argued, the biofilm interpretation, even if it wins out, does not get rid of their difficulty.
Next headline on:  FossilsDinosaursDating Methods
  If humans harness cellular machines, is it intelligent design?  See the 07/20/2007 entry.

Leaf Assumption Challenged: Affects Climate Modeling   07/29/2008    
July 29, 2008 — A reasonable-sounding assumption has been overturned, leaving climate models in upheaval.  The assumption was that leaf temperature stays in equilibrium with air temperature.  It doesn’t.  Leaves are hotter than assumed during active periods of growth, such as at midday in the growing season.  They maintain a relatively constant temperature through their own biological air conditioning, regardless of what the weather is doing.  This affects the interpretation of oxygen isotopes in wood extracted from tree rings, which in turn affects inferences about past climate.  The story came unraveled in Nature last week.1
    Scientists have used the ratio of oxygen-16 to its heavier sibling oxygen-18 as a proxy for climate variations.  The interpretation, however, assumed that leaves are in equilibrium with ambient temperature.  Helliker and Richter (U of Pennsylvania) found that leaves can be 10° C hotter than air temperature, and were almost uniformly warm across a wide range of habitats.  This also affects calculations of relative humidity – a function of temperature.  “Our results explain this observation over a broad climatic range and further suggest that the overarching trend is to maintain leaves at an optimal temperature irrespective of mean climate,” they said.  F. I. Woodward (U of Sheffield, UK), commenting on this paper in the same issue of Nature, 2 explained, “During the growing season, with photosynthesis at its peak, leaf temperatures remain constant over a wide latitudinal range.  This is a finding that overturns a common assumption and has various ramifications.”
    One key ramification relates to climate models.  Scientists have built models of past climate on the assumption that the oxygen ratios they measured in wood reflected the air temperature during the growing season.  Now, it appears that assumption is misguided.  Pine needles, for example, cannot be modeled in isolation, because they usually are in tight clusters.  It seemed reasonable that a pine needle, exposed on all sides to the air, would be the same temperature as the air.  But in the dense forest canopy, clusters of densely-packed needles create their own microclimate as the needles actively expend energy manufacturing sucrose in response to photosynthesis.  Leaf temperatures, therefore, can be much higher than air temperature – and relative humidity correspondingly lower.  This affects the rates at which oxygen-16 and oxygen-18 diffuse and become incorporated into the cellulose in tree rings.
    Woodward summarized the potential impact of this finding on climate models: “The fact that vegetation canopy rather than leaf morphology dominates temperature control in the forests sampled by Helliker and Richter suggests the need for greater emphasis on understanding how the canopy responds to climate change, and to global warming in particular.”  The authors also suggested that the finding will force researchers to modify estimates of water loss in the forest canopy.  In addition, theories about how climate affects leaf evolution have been called into question.


1.  Brent R. Helliker and Suzanna L. Richter, “Subtropical to boreal convergence of tree-leaf temperatures,” Nature 454, 511-514 (24 July 2008) | doi:10.1038/nature07031.
2.  F. I. Woodward, “Ecology: Forest air conditioning,” Nature 454, 422-423 (24 July 2008) | doi:10.1038/454422a.
Do you see how unquestioned assumptions become weak links in chains of reasoning on which politicians and societies put their trust?  Maybe the modifications to theory required will not be dramatic in this case, but they could be.  Scientists had treated oxygen ratios in tree rings as bona fide scientific evidence of past climate conditions.  Scenes of scientists measuring isotope ratios to high precision in labs make for impressive visuals in documentaries.  The lay public becomes persuaded that scientists have a virtual crystal ball into the past.  All the while they were not measuring climate – they were measuring local microclimates right at the leaf surfaces, which can be significantly warmer than the air just a meter away.  Plants have a thermostat of their own that maintains near-constant temperatures during the growing season.  These temperatures are the ones recorded in the wood – not the climate conditions.  This little “whoops” discovery should teach us a healthy caution and skepticism about proxy measurements employed matter-of-factly by scientists.  We can all learn, furthermore, to question our own assumptions, as reasonable as they may seem to us.
Next headline on:  Plants
History Channel Airs Evolve   07/29/2008    
July 29, 2008 — A new 13-part series on the History Channel, called Evolve, begins with an episode on the evolution of the eye.  To sell the story, the blurb needed to cast Evolution as an inventor:
They are one of evolution’s most useful and prevalent inventions.  Ninety five percent of living species are equipped with eyes and they exist in many different forms.  Learn how the ancestors of jellyfish may have been the first to evolve light-sensitive cells.  Discover how dinosaur’s evolved eyes that helped them become successful hunters.  Finally, learn how primates evolved unique adaptations to their eyes that allowed them to better exploit their new habitat, and how the ability to see colors helped them find food.
Evolve seems to be used as a verb here.  If dinosaurs evolved eyes, and primates evolved color vision, were they doing it with purposeful intent?  Did they know how to commandeer the mutations necessary to give natural selection the raw materials on which to tinker, in order that the required function for survival would emerge?  This would certainly not represent the new-Darwinian view.  The terminology seems misleading.
    The series relies heavily on CGI animations.  These, however, depend on the imaginations of current-day people – not historical records.  History used to be defined in terms of written records.  Since this subject matter lacks written records, maybe the channel should be renamed the Prehistory Channel.  The hour before also contains an animated episode set in prehistory from the series Jurassic Fight Club about a supposed cannibal dinosaur.  Perhaps as a bow to those who respect written records, though, is the episode following Evolve.  It is entitled “Noah’s Great Flood” from the series Mega Disasters.  The film treats the Biblical story as myth, however.  It popularizes the theory of Ryan and Pitman that the Noah legend grew up out of a theorized historical megaflood restricted to the Black Sea region (see 04/06/2002).
    Illustra Media has been a leader in exploring the origin of life and complex organs from the alternative intelligent design perspective.  Readers familiar with Unlocking the Mystery of Life and The Privileged Planet may not be aware that they have also produced films about history for which there are written records: about Jesus Christ and the Exodus.  Their titles have just been gathered into one website at ApologeticsDVDs.com.
    Speaking of history on an unrelated topic, space program buffs will get a thrill out of finding “the most comprehensive compilation ever of NASA’s vast collection of photographs, historic film and video” at NASAimages.org.  The collaborative website between Internet Archive and NASA was launched July 24.
Evolution thrives on visual propaganda and the power of suggestion.  Animation fills in the holes in their story.  Don’t be fooled.  Carl Sagan weaved animation tricks decades ago in the Cosmos TV series.  In one of the most egregious cases of visual propaganda for evolution ever shown, his animators depicted a single cell morphing into one animal after the other, till the final output was upright-walking man.  The number of conceptual, evidential and philosophical obstacles he leaped over in a single bound makes Evel Knievel look like a pogo-stick rider.  OK, Carl, if you want to play the Imagination game, even Homer Simpson can do a better job evolving than that.  And Guinness Beer at least got the direction of evolution right.
Next headline on:  DarwinismMediaIntelligent DesignBible
Gems and Hot Ideas About Life’s Origin   07/28/2008    
July 28, 2008 — It seems that origin-of-life speculations are constantly looking for new plot lines.  PhysOrg published a new idea that life started on diamonds.  Yes, “Diamonds may have been life”s best friend on primordial Earth,” it began, raising the interesting question whether friendship was a concept before consciousness emerged.  Since diamonds are thought to be among the oldest minerals on earth, some German researchers studied whether their surfaces would make good incubators for the birth of the first cell.  “In a series of laboratory experiments, the scientists showed that after treatment with hydrogen, natural diamond forms crystalline layers of water on its surface, essential for the development of life, and involved in electrical conductivity.”  How does one say “necessary and sufficient conditions” in German?  “When primitive molecules landed on the surface of these hydrogenated diamonds in the atmosphere of early Earth, the resulting reaction may have been sufficient enough to generate more complex organic molecules that eventually gave rise to life, researchers say.”
    In another odd scenario, the BBC News suggested that life came from Venus.  If it is so difficult as to challenge the best astrobiologists on earth to imagine life forming on a congenial planet in the habitable zone, how much more from a scorching-hot, sultry cooker with a sulfuric-acid-drenched atmosphere?  The Wickramasinghe brothers (Chandra being long-time colleague of the late Fred Hoyle) don’t look at Venus that way.  They think “Venus’s clouds contain chemicals that are consistent with the presence of micro organisms.”  And so how did those Venus microbes arrive here on earth?  They were blown here by the solar wind.  A skeptical researcher considered this “not really very likely.”
How do wild ideas get such good press?  If you need a refresher course on why crystals are not templates for information, read the 02/19/2004, 02/15/2004, and 06/08/2007 entries.  Progress will be measured in some future day by the decibel level of laughter such conjectures evoke among thinking people.
Next headline on:  Origin of LifeDumb Ideas
  Backup systems in the cell challenge evolutionary ideas, from 07/21/2006.

Can Worms Outsmart Humans?   07/27/2008    
July 27, 2008 — Worms may seem creepy to some people, but they possess some amazing abilities.  How many of you had to struggle through calculus class, for instance?  Worms know it by heart, reported Greg Soltis at Live Science.  Their brains instinctively apply the logic of calculus to input signals from sensory inputs.  A University of Oregon biologist found that when a roundworm is sensing the presence of food, it essentially takes a derivative to arrive via the shortest possible path.
    In other worm news, engineers may have found a source for “super-strong, lightweight materials for use as construction and repair materials for spacecraft, airplanes, and other applications.”  It’s in the fang-like jaws of a common marine worm, reported Science Daily.  A unique histidine-rich protein identified in the jaw and pincers of this worm “rivals that of human teeth and exceed the hardness of many synthetic plastics,” yet is as lightweight as it is strong.  Nereis virens (sandworm or ragworm; see description), a marine worm prized as bait by Maine fishermen, uses the jaws to capture and cut up its food.

Maybe dogs learned calculus from worms (05/20/2003).  If an evolutionist tries to call this a case of convergent evolution, debate him.  It’s funny to watch them squirm and bark when challenged.
Next headline on:  Terrestrial ZoologyMarine BiologyBiomimeticsAmazing Facts
Lick Your Wounds   07/27/2008    
July 27, 2008 — Saliva contains a powerful anti-infection protein, say scientists from the Netherlands.  Science Daily reported that if this compound could be mass-produced, it offers hope for those with diseases, burns and injuries prone to infection.
    Saliva is a complex concoction with many kinds of molecules.  With controlled experiments, the researchers were able to identify histatin as the effective ingredient in promoting healing of wounds.
    The editor of the journal in which the results were published explained the significance of this finding.  “This study not only answers the biological question of why animals lick their wounds, it also explains why wounds in the mouth, like those of a tooth extraction, heal much faster than comparable wounds of the skin and bone,” he said.  “It also directs us to begin looking at saliva as a source for new drugs.
    A search on histatin revealed a paper in 2001 published in Infection and Immunity that also attributed antifungal and antibacterial properties to histatin-5, one of a family of polypeptides produced in the parotid and submaxillary glands.  “Like other salivary proteins, histatin 5 appears to be multifunctional,” they said. 
If you have been grossed out by the sight of an animal licking an open sore, maybe you should respect the animal for having tacit knowledge that scientists are just discovering.  How would evolution explain this?  How many animals had to die of infection before the right compounds emerged by chance?  How did the animal learn to lick the wound once the antiseptic did emerge?
    The creation perspective makes sense.  We are equipped with the substances needed to flourish in the environment that was created for our enjoyment.  This includes tools for handling routine exigencies that might arise from our curiosity.  You have an effective healing ointment right there in your mouth.*
     The shame is that modern science took so long to think about this cue from nature.  Sometimes civilization seems to train us away from the tacit knowledge we need as part of our design.  Will the Red Cross start teaching licking one’s wounds in First Aid class?
Next headline on:  HealthBiomimeticsAmazing Facts
*As the “Eden Principle” advises,** things are not necessarily the same now as in the original creation.  This finding about histatin should be modulated by the possibility of risks in human saliva offsetting some of the benefits; it does not, therefore, render unnecessary the proper application of modern antiseptics.
**Eden Principle: examination of the original interoperations of natural phenomena should provide our default understanding of their current optimal interoperations, unless historical changes indicate otherwise.  Corollary: the burden of proof is on the proposer of a health treatment if it was unnecessary in Eden.  Examples: (1) Vegetarianism was the prescribed diet in the Garden of Eden, but subsequent events permitted the eating of meat.  (2) If coffee enemas were not prescribed as routine health treatments in Eden, they are probably not needed today.
Dinosaurs Placed in Big Tree   07/26/2008    
July 26, 2008 — Dinosaurs didn’t take advantage of the big rise in diversity at the end of the Cretaceous, say British researchers.  Their big “supertree” of dinosaur evolution shows that the dinosaurs were just evolving at a regular speed while flowering plants, social insects, birds and mammals were evolving like crazy.
    Science Daily and New Scientist were among popular media reports that printed the supertree diagram and stated the claim without question.  An examination of the original paper,1 however, shows something interesting:
In order to obtain a well-resolved tree, we undertook some post hoc taxon pruning where poorly constrained species, producing unacceptably high numbers (more than 5000) of equally probable supertrees, were removed.  Choosing a tree for diversity analyses was based on overall supertree support.
In fact, numerous subjective decisions were made to come up with the supertree.  The authors had to decide which fossils qualified as distinct species, for instance.  They also ran various tree-building software programs and had to decide threshold values for agreement: e.g., “To enforce MIX to run a compatibility analysis, the threshold parsimony option was set to 2.  One hundred heuristic searches were performed, and characters were weighted (as described above) using a specifically generated weight file.”  Subsequent paragraphs show even more subjectivity.  Here is one selection from the “Materials and Methods” section, to give a taste of the tweaking behind the result.  Some definitions of terms were added in brackets.
Phylogenetic shifts in diversification were detected using SYMMETREE v.  1.0 (Chan & Moore 2005).  Analyses of tree shape are biased when a group is paraphyletic [composed of some but not all members descending from a common ancestor], as a particularly speciose clade (in this case, birds) is represented by a single terminal (Archaeopteryx).  A modification was thus required in order to account for the absence of birds.  Although it was not feasible in the present contribution to include all birds, a hand-drawn phylogeny of the better-known Mesozoic taxa (72 species in total) was inserted at the node subtending Archaeopteryx +Jinfengopteryx, effectively making the tree a Mesozoic time slice.  (This placement of Jinfengopteryx is based on the original description (Ji et al.  2005), but more recent analyses, e.g. Turner et al. (2007), have placed it within Troodontidae.)  Polytomies [divisions into three or more parts] were treated as soft, with the size-sensitive ERM [equal-rates Markov] algorithm set to perform 10000 random resolutions per individual node and 1000000 random resolutions for the entire tree.  Internal branches within the phylogeny on which diversification shifts are inferred to have occurred were identified using the Delta-2 shift statistic.  This process was repeated for time slices of the whole tree as described in Ruta et al. (2007) to avoid violating the ERM model.
The tree was also fitted to the geological time scale, which assumes the very evolutionary story that the researchers were trying to discern.  Then, they added missing data (a kind of oxymoron), or “ghost ranges,” to get a smoother result:
Ghost ranges, minimal basal stratigraphic range extensions implied by the geometry of the phylogenetic tree, indicate missing fossil data, and allow us to correct diversity profiles for the group through the Mesozoic and to compare diversification rates, the proportional change in observed species richness as a function of time, at different points (figure 2b, solid line): note how the addition of ghost ranges smoothes the curve.  In particular, peaks in observed diversification rate in the Norian and Campanian-Maastrichtian (bins 3 and 12) are greatly reduced when ghost ranges are introduced.  This is a minimal correction that does not take account of unknown taxon ranges before the first appearance of the older of a pair of sister groups.  In addition, this correction does not address possible upward range extensions.  However, peaks in the earliest, Middle and Late Jurassic are still observed after introduction of ghost ranges (figure 2b, dashed line).
Did anyone ask whether selective judgments in software settings and subjective decisions about which species to include and exclude would generate reliable inferences about an unobservable past assumed to be over 100 million years ago?  Could this kind of tweaking be guaranteed, instead, to reproduce the authors’ own biases?
    The authors did try to correct for some known biases, such as sampling error.  They also discussed uncertainties that are hotly debated among evolutionists, such as whether diversification typically occurs early in a radiation or not.  “The fossil record of continental vertebrates is clearly patchy, with large temporal gaps between sampling horizons.  The seriousness of sampling bias is debated,” they also granted.  Even so, they had to admit, “It follows that the fluctuations in diversification rate may not necessarily reflect evolutionary signal, and these must be tested rigorously.
    When all was said and done, after repeated rounds of tuning the knobs, the signal that dinosaurs did not take part in the alleged “Cretaceous Terrestrial Revolution” was weak.  The popular science articles, though, reported it as a discovery of science.
1.  Lloyd, Davis, Pisani et al, “Dinosaurs and the Cretaceous Terrestrial Revolution,” Royal Society Proceedings B, 0962-8452 (Paper) 1471-2954 (Online), DOI: 10.1098/rspb.2008.0715.
You have just watched professional divination in action.  What these scientists did has no more relation to the true history of the world than the tea leaves in a fortune-teller’s bowl reveal about the origin of tea plants.  This is pure hocus, foisted on a gullible public under the guise of science (i.e., knowledge).  We provided detailed quotes from the paper to reveal how the trickery is done.  You don’t have to understand the jargon.  Just look at how subjective it is.  Why do the popular media publish the bottom-line claims of these wizards as if knowledge has just been gleaned from the world?  This is nothing but Darwinist imagination masquerading as scientific research.
    Notice how the project was saturated with evolutionary religion from start to finish.  The fossils (admittedly scanty) were first placed into the millions-of-years evolutionary story.  This step has already been falsified by the discovery of soft tissue in dinosaur bone, bringing the millions-of-years assumption crashing down (see 04/26/2008).  Unabashed by that inconvenient fact, the authors continued their vision quest by borrowing other published evolutionary-diviner chants and spells.  It’s only polite, after all, to reference one’s sources.  Then they used Darwin-divination software.  They selected only the tea leaves and lighting guaranteed to support their story.  They published their resultant horoscope in a Darwin-divination journal, then handed it to the Darwin-inebriated press to herald to the unwashed masses.  A colorful image of the Magic Supertree Diagram was displayed to lend an air of mystical authority to the announcement.
    All these shenanigans are designed to create a sense of numinous awe in the public consciousness.  Readers are supposed to bow down and confess that the diviners possess The Wisdom of The World, and that they are to be heeded instead of those wicked, nasty, evil, insane Creationists who proclaim a different message: that the complex bodies of birds, mammals, dinosaurs and insects reveal design, not chance, and that mythical “Cretaceous Terrestrial Revolutions” are incapable of forcing undirected matter to invent complex organs and functions.
    Get wise to the tricks of the wizards.  This is not science.  It’s not even magic.  It’s deception.  The deceivers who believe their own lies are the most to be distrusted.
Next headline on:  DinosaursEvolutionary Theory
  Poultry excuses for evolutionary change, and we mean poultry, not paltry, because they are mere chicken feed: read why in the 07/25/2005 entry.  And could anyone today really suggest that anti-Semitism is an example of natural selection in action?  National Geographic did: see 07/19/2005.

Did Lyell Lie a Little?   07/25/2008    
July 25, 2008 — Science is supposed to be a collective process involving presentation of arguments by many people making reference to observational data.  Ideally, no one person’s world view should dominate what other scientists think.  Yet in the history of geology, the figure of Charles Lyell has loomed large as a guiding influence.  With rare exceptions, his principle that geological phenomena should be explained with reference to current processes at current rates (uniformitarianism) dominated geological practice for over 150 years.  Did Lyell “discover” this principle in the data, or impose it on the data?  Indications are coming to light that he not only pre-selected uniformitarian thinking as his own guiding principle, but through force of his writings and personal prestige succeeded in marginalizing opposing views.  His influence channeled generations of geologists to look at evidence through the lens of “slow and gradual” processes.
    Geologist Victor R. Baker had little good to say about Lyell in a book review in Nature.1  “Geological history turned upside down” is how he titled his review of a second book on the history of geology by Martin J. S. Rudwick, Worlds Before Adam: The Reconstruction of Geohistory in the Age of Reform (University of Chicago Press, 2008).  Baker began by stating that “geology also has its own set of attitudes that have accrued during the discipline’s long history.”  Attitudes can be taken as synonymous with presuppositions – those ways of looking at the world that precede actual investigation of the facts.
    Lyell was, of course, preceded by notable figures like Cuvier (a catastrophist who invoked multiple earth-changing events), and gradualists like Comte du Buffon, Werner, Hutton and others who had laid the groundwork for viewing earth history in terms of vast ages of gradual change.  Rudwick had discussed these in his prior work, Bursting the Limits of Time (U of Chicago Press, 2005).2   

Worlds Before Adam looks at how the ideas generated by Cuvier and others came together with more theoretical concepts between 1820 and 1845.
    Rudwick’s books are myth-busters, of which writers of introductory geology texts and popularizations should take note.  In both volumes he counters the Anglocentric view that James Hutton, William Smith and Charles Lyell were the founders of modern geology who shone their British intellectual light onto the darkness of continental musings.  To a large degree, he argues, the reverse was the case.
    Controversially, Rudwick challenges the view that geology’s development is a story of secular progress.
Lyell was a “man of faith” – but one who rejected the Mosaic chronology of Genesis.  He believed strongly that geological science should be free to investigate the history of the world apart from the framework of a recent creation and world-wide Flood that a straightforward reading of Genesis indicated.  Though a dozen or so “Scriptural geologists” in the late 18th and early 19th centuries defended that view, some of them with equal academic credentials and more field experience, Lyell and his band of academics had little time or interest in hearing them.  They were on a program: to advocate a uniformitarian approach to interpretation.
If contemporary lists of the greatest scientists feature a geologist at all, it is usually Lyell, a central figure in Worlds Before Adam.  Lyell intended the title of his great multi-volume opus Principles of Geology (first published in 1830–1833) to recall Isaac Newton’s Principia.  He sought to recast geology on firm foundations, just as Newton had done for physics.  Following his geologist contemporaries and predecessors, Lyell used the understanding of present-day causes to interpret the deep past – a principle termed actualism.  Rudwick explains that Lyell’s excellent descriptions of current geological processes, embellished with observations from his own geological excursions, derived from an original listing by the eighteenth-century German scholar Karl Ernst Adolf von Hoff.  Lyell greatly extended the actualistic method by making pronouncements about how the complex geological processes of the past occurred through the progressive action of small-scale procedures that were still in operation, and by prescribing how geologists should reason about these past processes.
So even though Lyell appealed to evidence, the force of his influence was in prescribing how geologists should reason about and interpret what they were seeing.  Surprisingly, his view faced strong opposition at the time and only gradually became dominant.  It was comparable, Baker said, to the influence of Darwin on biology.  Darwin had not proved gradual evolution or common descent, either, but had prescribed how biologists should reason and interpret the evidence through a lens of slow and gradual change.  In this, of course, he had been strongly influenced as a young man by Lyell’s own vision.  Principles of Geology was among his favorite readings aboard the Beagle.
    It’s interesting why Lyell initially faced opposition.  Notice the contrast between facts and reasoning about the facts:
Rudwick shows that Lyell’s ideas met with almost universal criticism.  This was not caused by his advocacy of actualism, which was widely used, nor was any serious denunciation forthcoming from the biblical literalists, who were considered anti-scientific by Lyell and by his critics.  Instead, the geological facts themselves seemed contrary to Lyell’s vision of uniform action by small-scale processes operating over a long time.  Examples include evidence for sudden mass extinctions from records in various ‘bone caves’, the existence of huge blocks sitting erratically out of geological place in the Alps and northern Europe, and deep U-shaped valleys containing streams too small to account for their excavation.  Lyell’s critics held that one should inquire into nature through evidence, rather than through privileged reasoning.
This excerpt from Baker’s book review underscores two notable points about the history of geology.  First, the “biblical literalists” (a term of derision still in use today by Darwinists) were dismissed not on the basis of the strength of their arguments or evidence, but because they were “considered anti-scientific” – i.e., they were marginalized by categorizing them out of science (a strategy still in use today by Darwinists).  Second, Lyell’s own contemporaries fought against the principle of applying “privileged reasoning” and argued for inquiry into nature based on evidence.  Apparently many of them felt at the time that Lyell failed to respect the evidence when it militated against his world view.
    The term “actualism” gave way to “uniformitarianism” through the nomenclature of William Whewell, a distinguished philosopher of science (see June 2007 Scientist of the Month), who sought to clarify the debate in a way that would discredit Lyell’s scientific method. 
It is an irony of subsequent developments in geology, and a testimony to the success of Lyell’s advocacy, that catastrophism came to be regarded as unconventional.  This perverted Whewell’s original intention, which was to show that the uniformitarians and Lyell were extreme in thinking that geologists should say in advance how nature works, through slow and uniform processes, before interpreting the evidence.
As an example, Baker (reviewing Rudwick) points out that Lyell stuck to his guns even when the evidence was against him.  When Louis Agassiz (“perhaps the greatest of the catastrophists”) presented evidence in favor of glacial theory, “Lyell resisted, remaining true to his epistemological project.”  Strictly speaking, an “epistemological project” is an agenda.  It says, “I am going to advocate for a different definition of knowledge” before going and looking at the evidence.  That might be what Baker was referring to in his title, “Geological history turned upside down.”
    The influence of Lyell pervaded the field of geology from about 1830 till the 1980s, when individual “neo-catastrophists” sought a place at the table.  One of the most colorful case studies is that of J Harlan Bretz who argued for the catastrophic creation of the Channeled Scablands of eastern Washington by means of a giant flood.  His story is told by a new NOVA program airing this week called Mystery of the Megaflood.  Information on the PBS website about this program reveals that this is a story as much about the nature of science as about a geological event.  It recalls how Bretz had trouble getting his fellow geologists to “see” data that contradicted their uniformitarian paradigm.  Since Bretz’s interpretation required phenomena for which there was no present example, such as powerful underwater vortices (kolks) capable of ripping racetrack-size potholes out of solid rock, they ridiculed his ideas for decades (see PBS article interviewing Vic Baker).  Bretz defied the uniformitarian consensus and was eventually vindicated (03/05/2008 commentary).  It is now more in vogue to offer catastrophist explanations for things (see 05/22/2003).3  Lyell’s ghost, however, has not been exorcised; it continues making frequent apparitions in the geological literature and popular media.
1.  Victor R. Baker, “Geological history turned upside down,” Nature 454, 406-407 (24 July 2008) | doi:10.1038/454406b.
2.  Lyell portrayed his predecessor James Hutton (1726-1797) as the father of uniformitarian geology.  This was largely a historical myth propounded by John Playfair, Hutton’s protègè, and by Lyell, who had propaganda needs for an English giant on whose shoulders to build his ideas.  Relying heavily on Rudwick’s 2005 book Bursting the Limits of Time, John Reed, writing in the latest Journal of Creation (22:2, 2008), explodes five myths about Hutton: (1) that he was the father of uniformitarian geology (those ideas were common in the 18th century), (2) that Hutton was an empiricist, (3) that Hutton was an objective thinker (he was in fact building a deistic system), (4) that Hutton was a secular martyr (neither religious people nor his fellow savants opposed him), and (5) that Playfair merely clarified Hutton’s hard-to-understand writing style (he actually cut-and-pasted sections to sanitize Hutton’s true beliefs).
3.  Uniformitarianism does not work for Venus, planetologists confess: see 11/26/2003 and 08/16/2004.
As Terry Mortenson documents in his detailed treatise on the Scriptural geologists, The Great Turning Point, the uniformitarian view was an agenda-driven worldview choice, not a requirement of the evidence.  Many of the Scriptural geologists were at least as qualified (if not more so) than the long-age advocates who wanted to compromise Christianity with the ancient-earth ideas of Hutton.  Lyell himself stated clearly in his letters that his agenda was to divorce geological inquiry from any and all consideration of the Mosaic record in Genesis.  He succeeded uniformly with catastrophic results for free inquiry.  A perusal of the abstracts from Geology any given month reveals Lyell’s paradigm nearly unchallenged.  Article after article is consumed with fitting this or that formation into its presumed place in the billions-of-years geological timescale.  The categories, names and dates are never questioned.  Out-of-the-box thinking plays second fiddle to keeping the story going.
    The Scriptural geologists argued that this approach was as doomed as trying to understand the Roman Empire by choosing to study only the monuments of Rome without reading any contemporaneous eyewitness testimony.  They had strong scientific justifications for evaluating the evidence within a creation and Flood framework.  They argued with scholarship and finesse, showing how the data fit with a global catastrophe as described in the Genesis Flood but did not fit with long ages and gradualism.  Flood geology died out around 1840 for reasons Mortenson gives in the conclusion of his book.  Among them was the fact that the Scriptural geologists acted alone and did not raise up a school of thought or society that could carry on their work.  The uniformitarians won by default and continued through sheer dominance of academia, till Flood geology emerged again (essentially independently from its 1830 predecessor) with the publication of The Genesis Flood by Whitcomb and Morris in 1961.  The secular geological societies continue to pay them no attention.  True to the Lyell playbook, they label them “anti-science” only to dismiss them.
    It is apparent from Rudwick’s book that the marginalization of the “biblical literalist” view was an example of a category error in science.  Lyell, Sedgwick, Buckland, Phillips and the other uniformitarians who captured 19th-century academic geology departments did not have to listen to the Scriptural geologists, review their books, answer their arguments or evaluate their evidences.  Why?  Because they had decided, in advance, that the Scriptural geology position was “anti-science.”  Sound familiar?  That is exactly what the Darwinians do to the creationists today.  How convenient it is to rule your opponent out of a debate by definition.  “I don’t have to listen to you; you are a fool.”  The real fool is often the one calling the other one a fool.
    Today’s entry fits well with the yesterday’s on philosophy of science.  What can science know?  Surely it is hard enough interpreting the causal thicket for things that we can observe and repeat in a lab.  Geology is a science necessarily historical in nature.  Is there any good reason for rejecting historical accounts a priori that speak of processes germane to one’s subject matter?  Much less so when the written records show a good fit to the evidence.  What the Bible described as a real event fits what we see: billions of dead things buried in rock layers laid down by water all over the earth, to borrow Ken Ham’s pithy phrase.
    So did Lyell lie a little?  In view of his negative influence on geology for 150 years, he lied a lot.  He pretended to be promoting objective science but really was imposing his own theological views on geological practice.  The Charlie & Charlie Company (Darwin and Lyell) are partners in crime – defining science so as to downplay the priority of evidence.  Now that we have seen that Lyell had an agenda, and that his “epistemological project” outran his respect for the evidence, it’s time we toss his ideas overboard and let them experience a little catastrophism up close.
Next headline on:  GeologyDating MethodsTheology and Philosophy
What Can Science Really Know?   07/24/2008    
July 24, 2008 — Two book reviews on philosophy of science appeared in the leading general-science journals Nature and Science last week.  Both of them downplayed the oft-told triumphalist portrayal of science as a progressive path toward infallible knowledge – the picture most students get in school.
    In Nature,1 N. David Mermin (Cornell) gave a surprising reprimand to an icon of triumphalist science: Alan Sokal (see 06/03/2008 commentary).  Sokal’s famous hoax against the postmodern deconstructionists in 1996 embarrassed them soundly and signalled the approaching end of the Science Wars of the 1990s.2  Sokal emerged as a champion of scientific realism.  His bold trick made him a darling of the scientific establishment.  The hoax’s value as a victory for scientific claims to epistemic superiority is debatable, though.  Some viewed it more as a boyish taunt than a serious conflict over ideas.  Among them is the reviewer of Sokal’s new collection of essays, Beyond the Hoax: Science, Philosophy, and Culture (Oxford, 2008).  Mermin, a physicist and colleague of Sokal, did not have much good to say about this book.  He considered Sokal’s treatment of critics of the triumphalist spirit of science as ill-informed, dismissive and shallow.  He found much to agree on, “But Sokal’s unwillingness to expand his frame of reference to accommodate legitimately different points of view undermines his effectiveness as a scourge of genuine rubbish,” he concluded.  “I would like to think that we are not only beyond Sokal’s hoax, but beyond the science wars themselves.  This book might be a small step backwards.
    In Science,3 Kim Sterelny (philosophy program, Australian National University and Victoria University of Wellington) reviewed William C. Wimsatt’s essay compendium, Re-Engineering Philosophy for Limited Beings: Piecewise Approximations to Reality (Harvard, 2007).  Wimsatt, whom Sterelny considers “among the most creative, original, and empirically informed philosophers of our day,” dealt with the problem of finite humans trying to form idealized conceptions of natural phenomena that are too complex to grasp in their entirety.  These idealizations are heuristic devices.  Scientists believe by faith they can be refined with further research and become better approximations to reality.  In turn, higher-order complex phenomena can then be reduced in terms of their simpler components: i.e., biology reduces to chemistry, which reduces to physics.  Scientific explanation becomes organized into hierarchical domains of increasing complexity.  So much for the triumphal picture:
It is common ground between Wimsatt and his targets that these ideas about science are idealizations, perhaps even extreme ones.  But Wimsatt argues that they are unhelpful idealizations.  For they idealize away from what we most need to explain: the cognitive success of limited beings.  Treating science as ideally rational is like a developmental biologist using preformationism to model development: the subject matter of the discipline has been idealized away.
Wimsatt respects the success of science but understands that causes and effects are not simple.  There exists a “causal thicket” because elements at one level are not always influenced by adjacent levels.  If you understand the chemistry of the atomic bonds in DNA, for instance, how much do you really understand DNA translation?
The world is messy.  We are fallible and bounded.  Yet science progresses with great reliability.  Wimsatt’s conception of science is organized around these three facts.  Like science itself, his account is partial and incomplete, an approximation organized around the idea of a heuristic.  Many questions are left open, and much could be challenged.
Perhaps one question that arises immediately is how a messy, heuristic approach to epistemology could yield reliable knowledge.  In a new lecture series on the solar system,4 professor Frank Summers (Southwest Research Institute) stated openly that concordance with reality is not important in science.  If a theory has good explanatory power and makes good predictions, that’s what matters.  With that in mind, he had surprisingly good things to say about Ptolemy’s earth-centered model of the solar system.  It explained complex motions in terms of simple geometrical shapes, and helped its users make predictions to sufficient accuracy for 1500 years – hardly an achievement to sneeze it, whether or not the model corresponded to the way things “really are.”
1.  N. David Mermin, “Science wars revisited,” Nature 454, 276-277 (17 July 2008) | doi:10.1038/454276a.
2.  The Sokal Hoax episode is discussed at length in a lecture series by the Teaching Company, “Science Wars: What Scientists Know and How They Know It” by Steven L Goldman, Lehigh University.
3.  Kim Sterelny, “Philosophy of Science: Addressing Complexity,” Science, 18 July 2008: Vol. 321. no. 5887, p. 344, DOI: 10.1126/science.1156895.
4.  Frank Summers, New Frontiers: Modern Perspectives on Our Solar System, The Teaching Company, 2008.
As these book reviews show, it’s overdue to dispense with the triumphalist, progressivist view of science.  None of these factors guarantee science has a grip on truth: (1) it gets a lot of money, (2) a lot of smart people practice it, (3), it appears to be successful, (4) the textbooks portray it as victorious over superstition, (5) it wins Nobel Prizes, (6) it has a “scientific method” (whatever that is), (7) geeks major in it at school, (8) it’s hard and uses a lot of math, (9) it explains things, (10) it uses a peer review system, (11) it has big organizations and publishes impressive journals, or (12) it owns lots of big buildings and museums.
    Clearly science seems “on to something” because of its practical successes in medicine, electronics and the space program, but even then, how much of the success is due to trial and error?  How much is due to practical engineering?  How much do we assume is true simply because it works according to the best theories of the day?  One only need look at history to see many examples of practical success using theories we now believe are wrong.
    The “hard sciences” like physics and chemistry arguably have the best case to make.  They give us practical benefits like lasers, computers and robotic spacecraft that arrive at distant planets on schedule.  But arriving at Saturn and taking pictures of its rings is different from explaining how Saturn got there in the first place.  Even physics gets pretty far out when it comes to the Copenhagen interpretation of quantum mechanics, or the many-worlds interpretation, or cosmology.  How much more the storytelling that goes on in psychology and evolutionary biology and uniformitarian geology?  It’s not beyond belief to foresee today’s leading theories being tomorrow’s pseudosciences.
Look at how many of science’s claims to epistemic priority have been undermined by philosophers of science:
  1. There is no one scientific method.
  2. Even if there were a scientific method, exercising a method cannot be done without making assumptions and judgments.
  3. There are no demarcation criteria between science and pseudoscience that can reliably keep the good stuff in (physics) and the bad stuff out (e.g., astrology).
  4. Scientific discovery follows no rules: it can come from hard work, tacit knowledge, accident, or even dreams.
  5. Scientific hypothesis-making follows no rules.  Few scientists arrive at a hypothesis out of raw data without some hunch or intuition of what to look for.  Many scientists have their hypothesis before looking at any evidence at all.
  6. Scientific explanations are fraught with logical pitfalls.  Reducing a complex phenomenon into simple principles runs the risk, for instance, of “explaining away” the very thing to be explained. 
  7. Induction is subject to serious criticism.  It begs the question that patterns in past experience will continue in the future.
  8. Prediction is no reliable guide to good science.  Astrologers and other pseudoscientists often succeed at predictions.  Predictive success runs the risk of affirming the consequent: a logical fallacy.  That’s why Karl Popper denied predictive success has any role in scientific justification.
  9. Falsification rarely succeeds in overcoming a paradigm’s web of belief.
  10. Scientific reasoning may differ in diligence but not in substance from other kinds of reasoning.
  11. The requirement for natural laws is fraught with pitfalls.  Are laws descriptive or normative?  Statements that sound like laws may be nothing more than accidental generalizations.  Laws also make claims that far outrun experience; on what basis can they be justified?  Should natural laws be permitted that have zero instances?  Newton’s did – e.g., “A body in motion acted on by no external forces will continue in a straight line forever.”  Some legitimate sciences, like biology, employ few natural laws, and the ones they do employ are often plagued by exceptions.
  12. Science is a vague term with wannabees trying to latch onto the prestige of the word.  Where does one draw the line?  At social science?  political science?  economics?  Christian Science?  Scientology?  The speculations even within a “hard science” like physics are arguably just as unproveable as those of a “soft science” like psychology.
What are you left with?  “What works for our needs right now.”  We call something scientific if it gives us some nice feelings with its explanations, allows us to make useful predictions, or gives us some practical control over the world.  Its grip on reality or truth is tenuous at best.
    Once we get past triumphalist science, we should take a more informed look at other avenues of human knowledge.  History and the humanities might want to re-assert some of their claims in the marketplace of ideas.  Likewise, philosophy and theology have been footstools of imperial science for too long.  Provided that scholars in other fields apply sound principles of reason, use thorough research methods, interact where theories are analyzed and different points of view are considered, and build on prior knowledge, are their methods really so different from those of science?  Aren’t these good practices for any kind of research?
    At the end of the 19th century, science was king.  Two world wars later, and a century of revolutions in philosophy of science later (with no clear winners), it’s time to re-evaluate science’s claims to special epistemic status and cultural priority.  Take another look at that quote by Dr. Daniel Robinson at the top right of this page.
Next headline on:  EducationTheology, Philosophy, or HistoryPolitics and Ethics
Tree of Life in the Genes? Not Yet   07/23/2008    
July 23, 2008 — Now that we have hundreds of animal genomes in the bank (the GenBank), is Darwin’s tree of life becoming visible?  If the image is present, it is extremely weak, said Michael J. Sanderson of the Department of Ecology and Evolutionary Biology at University of Arizona.  Writing for Science,1 he showed that only a small fraction of genomes show even minimal support for a phylogenetic (evolutionary) tree.
    His report was accompanied by a circle diagram with 876 taxonomic orders represented by small rectangles along the rim.  He shaded blue those that contained a minimal phylogenetic signal, and yellow those that did not.  The entire circle was almost all yellow.  One has to look hard for blue rectangles.  This is after “improvements in algorithms and high-performance computing technology have dramatically increased the scale of feasible phylogenetic inference; and unconventional sources of data, including whole genomes, expressed sequence tag libraries, and barcode sequences, have altered the landscape of large-scale phylogenetics with an infusion of new evidence.”  The distribution of species in GenBank (the database of gene sequences) is remarkably broad, he said.  If there was ever a time to see Darwin’s tree of life come to light in the genes, it should be now.
    In light of the flood of evidence, how can the phylogenetic signal be so weak?  “Construction of a high-resolution phylogenetic tree containing all eukaryotic species in the database is a grand challenge that is substantially more tractable than inferring the entire tree of life, but to succeed, strategies will have to overcome serious sampling impediments,” he said.  “Quantifying the distribution and strength of phylogenetic evidence currently in the database is a prerequisite for this effort.”  So that’s what he set out to do.  And that’s what turned out to look pretty weak.
    Sanderson looked at 1127 higher taxa for evidence of a phylogenetic signal.  He had to set his standards pretty low.  He figured if there were at least four operational taxonomic units [OTUs] that were similar between two taxa, for instance, then an evolutionary relationship could be inferred.  His choice of tree-building software also was rigged to produce a “fast but conservative” result.  “Any clade in the resulting tree will have had at least 50% bootstrap support in maximum parsimony ‘fast’ bootstrap analyses with two different sequence alignment algorithms,” he explained.2  “Although this protocol biases the confidence assessment slightly downward, the bias is small.”  Is that a matter of human opinion?
    There were more hints the standards were loose.  “For comparative purposes and to aid in the visualization of results, an arbitrary cutoff value of 1.5 was selected as minimal phylogenetic support,” he continued.  “This is equivalent, for example, to the information content of two independent loci, each resolving three-quarters of clades to at least a bootstrap value of 51%.”  This sounds close to the tipping point for inferring no relationship at all.
    After manipulating his protocols, summing, and averaging, the evolutionary signal came out surprisingly low, even with the loose standards.  Here is the upshot:
Among individual OTUs [operational taxonomic units], Homo sapiens had the maximum support value of 293.9, but the distribution of scores had a long tail leading to 6402 OTUs with no support at all (most of which, 6079, simply were not found in any phylogenetically informative clusters).  The top 10 were all mammals; the top 25 were mammals, angiosperms (tomato, potato, tobacco, rice, and wheat), Drosophila melanogaster, and Drosophila simulans, all with support scores above 60 units.  Of the 171,703 OTUs for which scores were calculated, only 12% achieved minimal phylogenetic support.  The mean support was 0.84, less than the equivalent of each taxon being found in at least one well-resolved and -supported phylogenetic tree.
So only 12% reached the already-low bar for evolutionary signal – that means 88% did not.  At the level of orders, the scores were skewed even lower.  The maximum score was 10 in primates, and 0.0 in 75 other orders.  He tried to draw an inference between orders that were species-rich and species poor, but many of the orders outside of primates and arthropods did not even reach minimal phylogenetic support regardless of species richness.
    So what did Sanderson conclude from his investigation of the strength of the signal of Darwin’s tree of life in the genes?  Basically, he said more work is needed.  “An accurate high-resolution phylogeny will require substantial increases in sequence data to bring that score to a level comparable to that of the best-supported higher taxa.”  He thinks more data targeted at the right clusters of genes might help.  Better algorithms in the tree-building software might help, too.  Maybe the signal will become clearer when genes from undiscovered species in poorly-resolved branches become available.  “In the meantime, sampling protocols guided by quantitative assessments of the phylogenetic distribution of data will improve the efficiency of emerging phylogenomic strategies for building the tree of life of known organisms.”  Translated, this almost sounds like he is claiming that better data-massaging methods might just begin to help develop strategies for beginning to find ways to begin to visualize Darwin’s tree.  In colloquial terms, it’s going to take a lot of work to fix this picture.
1.  Michael J. Sanderson, “Phylogenetic Signal in the Eukaryotic Tree of Life,” Science, 4 July 2008: Vol. 321. no. 5885, pp. 121-123, DOI: 10.1126/science.1154449.
2.  For more on the meanings of bootstrap, maximum parsimony and other phylogenetic tree-building terms, see the entries from 04/26/2008, 01/26/2008, 03/30/2004, 10/15/2003, and 11/06/2002.
Charlie’s hanging from his own tree.  Why give him more rope?  It will only make the carcass horizontal instead of vertical.
Next headline on:  EvolutionGenetics
  Visualize spaghetti in a basketball.  Now read the 07/24/2004 “amazing” entry.  In fact, there were a lot of good entries that month, like “You have motorized sunscreens in your eyeballs,” 07/19/2004.  Browse the whole page while you’re there.

Mangrove as Metaphor   07/22/2008    
July 22, 2008 — The mangrove – that shoreline tree with the salt-tolerant roots that grows into dense thickets – is the fulcrum of two unrelated news stories.  It never met a force it couldn’t handle.  It also provides metaphors for evolution and creation.
    PhysOrg reported that the mangrove is a key to saving lives.  “The replanting of mangroves on the coasts of the Philippines could help save many of the lives lost in the 20-30 typhoons that hit the islands annually,” the article said.  Mangrove forests help people in two ways: they create rich ecosystems that benefit local fisheries and the economy, and they absorb the energy of typhoons and tsunamis (02/18/2005).  Tragically, many of the native mangrove forests have been depleted.  In Mexico, National Geographic reported, mangrove forests are being destroyed by resort development.  This is dooming fisheries and ravaging the local economy.  “The government has overvalued such development and grossly undervalued the vital role mangroves play” in the ecology that benefits humans, a report found.  Asian governments are beginning to understand the value of mangroves.  The PhysOrg article showed that expensive rehabilitation projects are not required.  Often, locally-led, low-budget attempts work best.
    On a completely different topic, science writer Carl Zimmer considered the mangrove as one possible metaphor for what has happened to Darwin’s tree of life.  Its appearance of a tangled thicket represents a little closer the kind of relationships among microorganisms that recent research has discerned, contrary to the sketch of a branching tree Darwin produced in his early notebooks.  Writing for Discovery Magazine, in “Festooning the Tree of Life,” Zimmer illustrated concepts from a paper by Tal Dagan (U of Dusseldorf) in PNAS.1  Dagan and colleagues analyzed 181 microbe genomes and determined that lateral gene transfer has been a major contributor to the diversity of microbes.  This means that “much of the history of life may not fit the tree metaphor very well any more,” Zimmer said.
    Zimmer produced a series of illustrations of the original Darwinian branching tree getting all tangled up.  He showed that lateral gene transfer produces cross-connections that scramble the data so thoroughly, the tree pattern is no longer discernible.  After crossing out tree, bush and mangrove thicket, Zimmer selected “Gordian Knot” as the best metaphor for the result.  “This new picture is a far cry from Darwin’s sketch, and thank goodness for that,” he ended.  “A science that doesn’t move forward for 150 years isn’t much of a science at all.  But we may need some new metaphors to help us catch up with it.”


1.  Tal Dagan, Yael Artzy-Randrup, and William Martin, “Modular networks and cumulative impact of lateral transfer in prokaryote genome evolution,” Proceedings of the National Academy of Sciences USA, published online before print July 16, 2008, doi: 10.1073/pnas.0800679105.
Science has moved forward, all right.  It has moved so far forward since Darwin’s time, his speculative worldview of design without a designer has been thoroughly scrambled.  A Gordian knot is not the illustration Darwin projected about how life changes.  Look at Zimmer’s last diagram.  It requires faith to see any tree at all.  Why even maintain the metaphor?  Zimmer’s own reasoning has falsified the original tree diagram and made it superfluous.
    A mangrove thicket, by contrast, is a tightly-knit community of trees, birds, fish, insects and animals all living together simultaneously and harmoniously as a system.  Who really needs to believe they evolved from one another’s microbe ancestors over mythical millions of years?  If you want a worldview that has withstood wave after wave of scientific discoveries, think creation.
Next headline on:  PlantsDarwin and Evolutionary TheoryGenetics
Earth from Space Is a Special Place   07/21/2008    
July 21, 2008 — The Deep Impact spacecraft, 31 million miles away, captured images of the moon circling the Earth, reported Space.com (for the sequence of images, click here).  “Making a video of Earth from so far away helps the search for other life-bearing planets in the universe by giving insights into how a distant, Earth-like alien world would appear to us,” commented Michael A’Hearn (U of Maryland), principal investigator for the mission.  Deep Impact made history by crashing a probe into a comet in 2005.  It is now en route to another comet rendezvous in 2010, and searching for earth-like planets around other stars in the meantime.
    In another story on Space.com, Clara Moskowitz reported that solar systems like ours may be rare.  A study of stars in the Orion Nebula only found 10% with enough material orbiting to form Jupiter-size planets.  The number of stars able to host planetary systems may be as low as 6%.  Surveys like this are subject to statistical interpretation and new data, of course, but the consensus seems to be at this point that without a Jupiter-size planet in the system, it would be unlikely an earth-like planet could survive.
    See also the 07/13/2008 entry for a list of conditions that make Earth appear unique.  Nobody knows at this time whether other earth-like planets exist.  NASA missions are continuing to refine methods to detect them.  Till then, as far as we know, only our Earth has the conditions that allow silly people to act insanely happy (see Astronomy Picture of the Day).
Watch the two videos in order.  They communicate to the heart.  Where else in the universe could conditions exist for such behavior?  What impassionate physical laws brought about the happy dance?  Think – and then thank (Acts 14:17).  The Creator has not left himself without witness, Paul said.  Turn away from worthless things.  The Creator has given us blessings that fill our hearts with joy in order that we would seek Him, though He is not far from each one of us (Acts 17).
Next headline on:  Solar SystemStars
Adult Stem Cells May Cure Muscular Dystrophy   07/19/2008    
July 19, 2008 — Muscular dystrophy leaves children and adults in a nearly helpless state.  Parents watch in agony as their children suffer rapid and progressive weakness.  Attempts to support research, like the annual Labor Day events Jerry Lewis has held for over 40 years, have betrayed their inability to find a cure by the very fact of their continuance.  Now, there is a new possibility that the solution may not lie in some exotic drug or invention of man, but in cells that live right inside our bodies: adult stem cells.
    The BBC News reported hopeful results from a study at Harvard that showed “Transplanting adult stem cells into mice with an illness like muscular dystrophy (MD) helped rebuild muscle structure and strength.”  It took awhile to identify the correct cells, but “Once the stem cells were in place, they spread throughout the muscle, producing new cells and improved the way it worked.”  It appears they also produce a stem-cell reservoir for long-term benefit.  Moreover, the cells were not rejected (in mice) when injected from a donor.
    Before human treatments can begin, of course, much further study will be required.  Problems of distributing the cells to every affected tissue in the body will need to be solved.  The lead researcher said, however, that “This study indicates the presence of renewing muscle stem cells in adult skeletal muscle, and demonstrates the potential benefit of stem cell therapy for the treatment of muscle degenerative diseases such as muscular dystrophy.”
    In other adult stem cell news, Science Daily reported that dentists may be able to use your own bone stem cells to repair teeth.  Orthodontic work might be accomplished in months instead of years.  Another report on the BBC News said that immune cells cloned from your own skin might cure melanoma and other forms of skin cancer.  Yet another report on Science Daily said that scientists are finding ways to reprogram stem cells “in place” in the body without having to manipulate them in the lab.  This can even be done with your own neural cells inside your brain – reprogramming them in their natural environment.  All these advances are occurring without the need for embryonic stem cells.
Praise God for progress on all debilitating diseases regardless of how scientists find them, but this one has special significance for those who have been watching the debate over embryonic stem cells.  It illustrates the disconnect between the researchers actually finding cures and the scientific establishments who keep pushing embryonic stem cells (ELS cells), which require the killing of fertilized human embryos.  Adult stem cells cause no ethical concerns.
    Here is another tremendously hopeful example of a potential cure from the use of adult stem cells.  The list of near-miraculous cures has been growing for years now.  Big Science keeps pushing ELS cells, tricking voters into spending billions of taxpayer dollars on stem cell research centers, yet still have nothing to show for it.  They even admit that any treatments usable by doctors may be over a decade away – or more.  As a citizen and voter, don’t expect scientific institutions, with eyes on Nobel Prizes and international prestige, to do the right thing.  Doing the right thing has to start with you and me.
Next headline on:  HealthPolitics and Ethics
  Damage control: another potentially falsifying piece of evidence against evolution was analyzed in the 07/16/2003 entry.  Evolutionists can’t connect natural selection to the fact that every animal develops from a single-celled embryo.  Moreover, the genes that control this development are “astonishingly conserved” across the animal kingdom!  Watch how they tried to wiggle out of that straitjacket.

Cellular Trucks Use Moving Highways   07/18/2008    
July 18, 2008 — Imagine how cool it would be to get in your car and have the road do the driving.  The highway would stretch or shrink, moving this way or that, till you saw your destination and hopped off.  That appears to be what the cargo-bearing motors do in the cells in your body.  A new paper by a team of American biophysicists published the hypothesis in PNAS this week.1
    Cell biologists have known for a long time that molecular motors move cargo around on long strands of protein, called microtubules, that form an intracellular highway network (12/04/2003) called the cytoskeleton.  One observation that has been confusing, though, is why the motors seem to just move back and forth (bidirectional transport) instead of making progress toward a destination.  It doesn’t seem to make any sense.  Would a car that has to get somewhere just keep shifting between forward and reverse gears?  It starts to make better sense when you consider that the road is also doing the moving.
    The situation in a cell is much more complex than suggested above.  The cell is a crowded environment, with enzymes and parts moving about rapidly.  In addition, there is thermal motion adding to the hustle and bustle.  Microtubules grow and shrink as their molecular components are added and removed constantly.  Cargo-carrying motors, like dynein and kinesin, attach and detach from their freeways all the time.  It seems chaotic, but the cell works.  Somehow it is a powerhouse of organization and function.
    The authors of this new idea proposed that any given cargo vesicle has multiple motors attached to multiple tracks at a time.  These motors can work in concert, tugging on the microtubul