Thursday, 20 March 2025

Rosa Rubicondior
Fluorescent microscopy images of highly variable wtf genes’ poison proteins (Wtfpoison) exhibit similar aggregation and distribution within yeast cells.

Graphical illustration showing rules for effective and ineffective neutralization of poison proteins. Yeast cells are “rescued” when wtfpoison and wftantidote specifically co-assemble and localize toward the vacuole (left panel). Otherwise, yeast cells are destroyed (right panels).

Stowers scientists uncover… | Stowers Institute for Medical Research

As Richard Dawkins explained in his influential book, The Selfish Gene, all genes can be thought of as "selfish" in the sense that natural selection favours those most effective at surviving and replicating. Such genes persist over generations at the expense of rival alleles. Even when genes form cooperative alliances, as they commonly do, it ultimately serves their own evolutionary success. Of course, genes are merely chemical entities - mindless, emotionless, and incapable of intention or planning - so the concept of "selfishness" is simply a metaphor designed to illustrate gene-cantered evolution.

However, within the genomes of many multicellular organisms, certain genes can more literally be described as selfish. These genes act parasitically, exploiting the host cell’s replication machinery solely to propagate themselves, despite having no beneficial function and often harming their host by reducing its fertility. The mechanisms behind this parasitic behaviour have puzzled scientists since these genes were first discovered.

Refuting Creationism - Our Ancestry In Africa Was More Complex Than We Thought

Early Homo sapiens in Africa
AI-generated image (ChatGPT4.5)

Plaster reconstructions of the skulls of human ancestors

Jose A. Bernat Bacete via Getty Images
Genetic study reveals hidden chapter in human evolution | University of Cambridge

Traditionally, creationists have been fascinated by complexity, wrongly assuming that intricate biological systems are definitive evidence of intelligent design. In reality, simplicity is typically a hallmark of efficient, intelligent design, whereas complexity often emerges from evolutionary processes that accumulate layers of adaptation, frequently to compensate for earlier suboptimal features.

However, one particular form of complexity is likely to provoke considerable confusion among creationists: the evolutionary history of our own species in Africa. Once imagined as a straightforward, linear progression - from Australopithecines through transitional species like Homo erectus, which then migrated out of Africa into Eurasia - the true narrative has proven far more intricate. Homo sapiens evolved within Africa, and subsequently some populations ventured into Eurasia, encountering and interbreeding with the descendants of earlier migrations, notably Neanderthals and Denisovans, who had evolved independently from Homo erectus.

Given our species' propensity to interbreed with closely related hominins - likely facilitated by sexual activity serving recreational and social bonding purposes alongside procreation, a trait possibly shared by our ancestral and cousin species - recent research indicates a highly complex evolutionary pattern. Rather than a simple linear progression, the evolution of humans involved multiple episodes of diversification, genetic isolation, subsequent renewed contact, and interbreeding within Africa's vast landscapes, creating a rich mosaic of genetic heritage.

Wednesday, 19 March 2025

Refuting Creationism - Human Language Had Evolved At Least 100,000 years Before 'Creation Week'!

Image: MIT News; iStock

World languages (for key, see Wikipedia source)
When did human language emerge? | MIT News | Massachusetts Institute of Technology

In stark contrast to biblical literalism's simplistic and contradictory story, recent research provides a very different picture of the origins of human language. According to Bible literalists, there are two versions of how languages come about. In the first, the descendants of each of the sons of Noah spoke different languages; in the second, language originated just five generations after the mythical global flood, when the human population — miraculously expanded from eight closely related survivors - grew large enough to undertake a massive construction project. Supposedly, this project so alarmed God that he intervened by 'confounding their tongues' to stop their cooperation.

In contrast to these Bible stories which compete for the most ludicrous and unlikely, scientists led by the Massachusetts Institute of Technology (MIT) have recently suggested that human language actually evolved between 100,000 and 135,000 years before creationists claim the universe itself existed. v
What is the current consensus on the time and place of the origins of language in humans?

There is currently no clear scientific consensus regarding the exact timing and location of the origins of human language, primarily because language leaves no direct fossil evidence. However, there is broad agreement around certain key points:

Timing of Language Origin:
  • General timeframe: Most researchers propose that fully-developed spoken language originated between 50,000 and 200,000 years ago, during the late Middle or early Upper Palaeolithic period, associated with anatomically modern Homo sapiens.
  • Genetic clues: Genetic evidence, particularly the emergence of the FOXP2 gene mutation (linked to speech and language capability), suggests language capacity existed at least around 150,000–200,000 years ago.
  • Cultural and archaeological indicators: A notable increase in symbolic behaviour, such as sophisticated art, toolmaking, and ritual practices approximately 40,000–70,000 years ago (often referred to as the "cognitive revolution"), is widely viewed as indirect evidence of fully developed linguistic capabilities. However, many linguists argue for a much earlier, more gradual development extending back hundreds of thousands of years.

Place of Origin:
  • Africa hypothesis: The widely supported "Out of Africa" theory of modern human evolution implies that language, like other uniquely human traits, likely emerged first in Africa, associated with early Homo sapiens populations around 150,000–200,000 years ago.
  • Multiple origins or dispersal: While most linguists and paleoanthropologists favour an African origin due to genetic and fossil evidence, some researchers have proposed language capabilities could have evolved independently or spread quickly as humans migrated. However, the single-origin hypothesis currently dominates.

Mechanism of Origin:
  • Gradual evolution: The prevailing view today is that language evolved gradually through incremental cognitive, anatomical, and social adaptations, rather than appearing abruptly.
  • Social complexity: Most researchers believe language emerged alongside increasing social complexity, facilitating cooperation, teaching, and cultural transmission, which in turn provided strong evolutionary advantages.

Current Scientific Consensus:
  • No direct fossil evidence means pinpointing exact dates or locations remains speculative.
  • Broad consensus: Language emerged gradually, probably in Africa, between 50,000–200,000 years ago, closely tied to the cognitive evolution of anatomically modern humans.

In summary, while the exact details remain debated, the dominant scientific consensus positions the origin of human language firmly within the evolutionary context of anatomically modern Homo sapiens in Africa, sometime around or shortly before humans began their global migrations.

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The findings of the MIT group are published, open access, in the journal Frontiers in Psychology and are explained by Peter Dizikes in MIT News:
When did human language emerge?
A new analysis suggests our language capacity existed at least 135,000 years ago, with language used widely perhaps 35,000 years after that.
It is a deep question, from deep in our history: When did human language as we know it emerge? A new survey of genomic evidence suggests our unique language capacity was present at least 135,000 years ago. Subsequently, language might have entered social use 100,000 years ago.

Our species, Homo sapiens, is about 230,000 years old. Estimates of when language originated vary widely, based on different forms of evidence, from fossils to cultural artifacts. The authors of the new analysis took a different approach. They reasoned that since all human languages likely have a common origin — as the researchers strongly think — the key question is how far back in time regional groups began spreading around the world.

The logic is very simple. Every population branching across the globe has human language, and all languages are related. [Based on what the genomics data indicate about the geographic divergence of early human populations] I think we can say with a fair amount of certainty that the first split occurred about 135,000 years ago, so human language capacity must have been present by then, or before.

Professor Shigeru Miyagawa, co-author.
Department of Linguistics and Philosophy
Massachusetts Institute of Technology, Cambridge, MA, USA.

The paper, “Linguistic capacity was present in the Homo sapiens population 135 thousand years ago,” appears in Frontiers in Psychology. The co-authors are Miyagawa, who is a professor emeritus of linguistics and the Kochi-Manjiro Professor of Japanese Language and Culture at MIT; Rob DeSalle, a principal investigator at the American Museum of Natural History’s Institute for Comparative Genomics; Vitor Augusto Nóbrega, a faculty member in linguistics at the University of São Paolo; Remo Nitschke, of the University of Zurich, who worked on the project while at the University of Arizona linguistics department; Mercedes Okumura of the Department of Genetics and Evolutionary Biology at the University of São Paulo; and Ian Tattersall, curator emeritus of human origins at the American Museum of Natural History.

The new paper examines 15 genetic studies of different varieties, published over the past 18 years: Three used data about the inherited Y chromosome, three examined mitochondrial DNA, and nine were whole-genome studies.

All told, the data from these studies suggest an initial regional branching of humans about 135,000 years ago. That is, after the emergence of Homo sapiens, groups of people subsequently moved apart geographically, and some resulting genetic variations have developed, over time, among the different regional subpopulations. The amount of genetic variation shown in the studies allows researchers to estimate the point in time at which Homo sapiens was still one regionally undivided group.

Miyagawa says the studies collectively provide increasingly converging evidence about when these geographic splits started taking place. The first survey of this type was performed by other scholars in 2017, but they had fewer existing genetic studies to draw upon. Now, there are much more published data available, which when considered together point to 135,000 years ago as the likely time of the first split.

The new meta-analysis was possible because “quantity-wise we have more studies, and quality-wise, it’s a narrower window [of time],” says Miyagawa, who also holds an appointment at the University of São Paolo.

Like many linguists, Miyagawa believes all human languages are demonstrably related to each other, something he has examined in his own work. For instance, in his 2010 book, “Why Agree? Why Move?” he analyzed previously unexplored similarities between English, Japanese, and some of the Bantu languages. There are more than 7,000 identified human languages around the globe.

Some scholars have proposed that language capacity dates back a couple of million years, based on the physiological characteristics of other primates. But to Miyagawa, the question is not when primates could utter certain sounds; it is when humans had the cognitive ability to develop language as we know it, combining vocabulary and grammar into a system generating an infinite amount of rules-based expression.

Human language is qualitatively different because there are two things, words and syntax, working together to create this very complex system. No other animal has a parallel structure in their communication system. And that gives us the ability to generate very sophisticated thoughts and to communicate them to others.

Professor Shigeru Miyagawa.

This conception of human language origins also holds that humans had the cognitive capacity for language for some period of time before we constructed our first languages.

Language is both a cognitive system and a communication system. My guess is prior to 135,000 years ago, it did start out as a private cognitive system, but relatively quickly that turned into a communications system.

Professor Shigeru Miyagawa.

So, how can we know when distinctively human language was first used? The archaeological record is invaluable in this regard. Roughly 100,000 years ago, the evidence shows, there was a widespread appearance of symbolic activity, from meaningful markings on objects to the use of fire to produce ochre, a decorative red color.

Like our complex, highly generative language, these symbolic activities are engaged in by people, and no other creatures. As the paper notes, “behaviors compatible with language and the consistent exercise of symbolic thinking are detectable only in the archaeological record of H. sapiens.”

Among the co-authors, Tattersall has most prominently propounded the view that language served as a kind of ignition for symbolic thinking and other organized activities.

Language was the trigger for modern human behavior. Somehow it stimulated human thinking and helped create these kinds of behaviors. If we are right, people were learning from each other [due to language] and encouraging innovations of the types we saw 100,000 years ago.

Professor Shigeru Miyagawa.

To be sure, as the authors acknowledge in the paper, other scholars believe there was a more incremental and broad-based development of new activities around 100,000 years ago, involving materials, tools, and social coordination, with language playing a role in this, but not necessarily being the central force.

For his part, Miyagawa recognizes that there is considerable room for further progress in this area of research, but thinks efforts like the current paper are at least steps toward filling out a more detailed picture of language’s emergence.

Our approach is very empirically based, grounded in the latest genetic understanding of early homo sapiens. I think we are on a good research arc, and I hope this will encourage people to look more at human language and evolution.

Professor Shigeru Miyagawa.

Recent genome-level studies on the divergence of early Homo sapiens, based on single nucleotide polymorphisms, suggest that the initial population division within H. sapiens from the original stem occurred approximately 135 thousand years ago. Given that this and all subsequent divisions led to populations with full linguistic capacity, it is reasonable to assume that the potential for language must have been present at the latest by around 135 thousand years ago, before the first division occurred. Had linguistic capacity developed later, we would expect to find some modern human populations without language, or with some fundamentally different mode of communication. Neither is the case. While current evidence does not tell us exactly when language itself appeared, the genomic studies do allow a fairly accurate estimate of the time by which linguistic capacity must have been present in the modern human lineage. Based on the lower boundary of 135 thousand years ago for language, we propose that language may have triggered the widespread appearance of modern human behavior approximately 100 thousand years ago.

1 Introduction
More than any other trait, language defines us as human. Yet there is no clear agreement on when this crucial feature emerged in our evolution. Some who have studied the archaeological record suggest that language emerged in our lineage around 100 thousand years ago (kya) (Tattersall, 2012, 2017, 2018; Wadley, 2021), while others have claimed that some form of language preceded the emergence of modern humans (Albessard-Ball and Balzeau, 2018; Botha, 2020). Indeed, it has been argued [e.g., by Progovac (2016) and Dediu and Levinson (2018)] that language is not uniquely the property of the lineage that produced H. sapiens. Here we accept the reasoning of that behaviors compatible with language and the consistent exercise of symbolic thinking are detectable only in the archaeological record of H. sapiens (Tattersall, 2012; Berwick et al., 2013; Berwick and Chomsky, 2016), and approach the issue of the antiquity of language in our species by showing that, although it is not yet possible to identify the time when a linguistic capacity emerged, genomic evidence allows us to establish with reasonable certainty the latest point at which it must have been present in early H. sapiens populations.

Over the past 15 years, numerous studies have addressed the question of exactly when the first division occurred in the original stem population of early H. sapiens. While those studies do not tell us exactly when language emerged, they allow us to make a reasonable estimate of the lower boundary of the possible time range for this key occurrence. H. sapiens emerged as an anatomically distinctive entity by about 230kya (Vidal et al., 2022). Sometime after that speciation event, the first division occurred, with all descendant populations of that division having full-fledged language. From this universal presence of language, we can deduce that some form of linguistic capacity must have been present before the first population divergence. If the linguistic capacity had emerged in humans after the initial divergence, one would expect to find modern human populations that either do not have language, or that have some communication capacity that differs meaningfully from that of all other human populations. Neither is the case. The 7,000 or so languages in the world today share striking similarities in the ways in which they are constructed phonologically, syntactically, and semantically (Eberhard et al., 2023).

Genomic studies of early H. sapiens population broadly agree that the first division from the original stem is represented today by the Khoisan peoples of Southern Africa (Schlebusch et al., 2012). This conclusion was reached early on Vigilant et al. (1989), Knight et al. (2003), Tishkoff et al. (2007), and Veeramah et al. (2012), and it has more recently been bolstered by studies using newer genomic techniques (Fan et al., 2019; Lorente-Galdos et al., 2019; Schlebusch et al., 2017; Schlebusch et al., 2020; Pakendorf and Stoneking, 2021). The term “Khoisan” refers to a bio-genetic affiliation that is linked both to a proposed ancestor-group and to some modern peoples, living in present-day South Africa, who include modern speakers of the Khoe-Khwadi, Tuu, and Ju-ǂHoan languages that have some genetic affiliation to the first divergence of the human population (Güldemann and Sands, 2009; du Plessis, 2014). It follows that, if we can identify when the first division occurred, we can with reasonable certainty consider that date to define the lower boundary of when human language was present in the ancestral modern human population. Based on the results of studies focusing on whole genome single nucleotide polymorphisms (SNPs), we estimate that this first division occurred at approximately 135kya. 1

Huybregts (2017) was the first to attempt to pinpoint the timing of the first division in this way. Although he suggested a date of ~125kya, close to our estimate of ~135kya, his estimate was necessarily based on a fairly narrow set of studies showing a remarkably variable range. The studies he examined ranged from the clearly implausible 300kya (Scally and Durbin, 2012), to 180kya (Rito et al., 2013) and as little as 100kya (Schlebusch et al., 2012). Pakendorf and Stoneking (2021) later listed several studies proposing that the first division was older than 160kya (Fan et al., 2019; Lorente-Galdos et al., 2019; Schlebusch et al., 2020), along with four others, from 140 to 110kya, that overlapped with the range suggested by Huybregts (Gronau et al., 2011; Veeramah et al., 2012; Mallick et al., 2016; Song et al., 2017). Several newer studies now allow us to approach the age of the first division with greater precision.
In conclusion, the researchers say:
4 The picture that emerges
Based on the recent genetic studies of early H. sapiens, we have pinpointed approximately 135kya as the moment at which some linguistic capacity must have been present in the human population. Looking forward from this event, modern human behaviors such as body decoration and the production of ochre pieces with symbolic engravings appeared as normative and persistent behaviors around 100kya. We believe that the time lag implied between the lower boundary of when language was present (135kya) and the emergence of normative modern human behaviors across the population suggests that language itself was the trigger that transformed nonlinguistic early H. sapiens (who nonetheless already possessed “language-ready” brains acquired at the origin of the anatomically distinctive species) into the symbolically-mediated beings familiar today. This development of the most sophisticated communication device in evolution allowed our ancestors to accelerate and consolidate symbolically-mediated behaviors until they became the norm for the entire species.

Miyagawa, Shigeru; DeSalle, Rob; Nóbrega, Vitor Augusto; Nitschke, Remo; Okumura, Mercedes; Tattersall, Ian
Linguistic capacity was present in the Homo sapiens population 135 thousand years ago Frontiers in Psychology (2025) 16 DOI: 10.3389/fpsyg.2025.1503900

Copyright: © 2025 The authors.
Published by Frontiers Media S.A. Open access.
Reprinted under a Creative Commons Attribution 4.0 International license (CC BY 4.0)


It appears that the evolution of language in humans followed a familiar evolutionary pattern. Genetic mutations, including those affecting the FOXP2 gene—which influences brain development and vocal control—provided cognitive advantages, opening new opportunities for natural selection. This genetic foundation set human evolution onto a new trajectory, much like how feathers, originally evolved for insulation or display in dinosaurs, eventually led to powered flight in birds.

In contrast, simplistic explanations—such as the Bible's depiction of Noah's descendants rapidly diverging into different languages (Genesis 10–11), or a deity magically imposing language barriers to thwart human cooperation at Babel (Genesis 11)—reflect limited imagination and a profound misunderstanding of how closely related languages evolve geographically.

Today, science provides a coherent and evidence-based explanation, emphasizing gene-culture co-evolution and language divergence within geographically dispersed and partially fragmented human populations.
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Last Modified: Mon Apr 07 2025 16:44:28 GMT+0000 (Coordinated Universal Time)

Tuesday, 18 March 2025

Refuting Creationism - How Chimpanzees Have Evolved For Different Parasites, Including Malaria


Mother and baby chimpanzee in Uganda.

Kevin Langergraber, The Ngogo Chimpanzee Project.
Chimpanzees are genetically adapted to local habitats and infections such as malaria | UCL News - UCL – University College London

It can't be easy making a living as a creationist grifter when science continually undermines your claims, exposing your misrepresentation of evolutionary biology and eroding your credibility — even among the faithful supporters you count on to pay for confirmation of their biases. It must be a relief that your target will rarely, if ever fact check your claims, making them easy victims of your disinformation.

So, you can take comfort in the fact that none of your marks will read this piece of research that shows how chimpanzees are closely related to humans and have evolved over time to adapt to a number of different environments, much the way the ancestors of modern humans adapted when their environment changed from forest to savannah, some 6 million years ago.

Included in the study is how chimpanzees, who have been suffering from malaria for much longer than humans, humans having acquired their most deadly species of the plasmodium parasites from chimpanzees only some 300,000 years ago and possibly as recently as 50,000 years ago, have evolved resistance to the parasite so they now show almost no signs of infection.

Sunday, 16 March 2025

Malevolent Design - How a Design Blunder Caused Parkinson's Disease - Or Was It Malevolence?


Two PINK1 proteins are shown attached to the membrane of a mitochondrion for the first time.
Scientists solve decades-long Parkinson’s mystery | WEHI

One of the causes of Parkinsonism is the accumulation of defective mitochondria in neurone leading to the death of these cells and reduced neurotransmitter production. Under normal circumstances, a protein known as PTEN-induced putative kinase 1 (PINK1) attaches to the surface of damaged mitochondria and facilitates their destruction, but when a mutation causes PINK1 to malfunction, this cell hygiene mechanism fails.

The question for creationists is why this cell hygiene process is needed in the first place when an intelligent designer could have designed more robust mitochondria, and why does it depend on an error-prone process where a simple mutation is the gene for a key protein can cause the whole thing to fail?

In fact, of course, what we have here is an example of a layer of complexity being necessary because a fundamental process is suboptimal, when a well-designed process would need no such additional layer of complexity. Additional complexity simply multiplies that opportunity for failure, especially when the additional complexity is itself suboptimal.

As an example of putative intelligent design, the result is exactly what we would expect a mindless, unintelligent process to produce.

Saturday, 15 March 2025

Refuting Creationism - Looking Into The Past - To 14 Billion Years Before 'Creation Week'



F770W–F277W–F115W shown as an RGB false-colour mosaic
at redshift z=14.320.20+0.0811

James Webb Space Telescope reveals unexpected complex chemistry in primordial galaxy | University of Arizona News

It's one thing for creationists to dismiss evidence of life on Earth hundreds of millions, or even a billion or two years before the so-called 'Creation Week' by misrepresenting dating methods and making the absurd claim that the Universe is so finely tuned for life that altering just one parameter slightly would render life impossible, while also claiming that radioactive decay rates were much higher during 'Creation Week', making radiometric dating inaccurate by orders of magnitude.

However, it's quite another to argue that the speed of light was much slower in the past, which would mean that objects appearing to be billions of light-years away are actually much younger than we observe them today.

But a ludicrous and false argument which is not easy to spot by the scientifically illiterate fools that creationists target, was seen by creationists as any reason not to try to get away with it on a different audience.

So, if they don't simply ignore this discovery, it will be interesting to see which lies the creation cult uses to dismiss it. It is the discovery of a galaxy, designated JADES-GS-z14-0) from just 300 million years post Big Bang, discovered by the James Webb Space Telescope (JWST).

This discovery, along with the fact that it is chemically complex, challenges the standard model for galaxy formation as well as the synthesis of 'heavy' elements (i.e., heavier that hydrogen, helium and lithium) because JADES-GS-z14-0 shows evidence of substantial quantities of oxygen. The standard model explains that heavier elements are formed in the end-stages of the life of a sun when its hydrogen supply has all been used up and it collapses under its own gravity. This high gravity forces helium nuclei together to form the heavier elements. When the sun finally explodes in a supernova these elements are thrown into space supplying the next generation os stars with these higher elements.

Malevolent Design - The Sneaky Way The Epstein-Barr Virus Can Cause Multiple Sclerosis

The Epstein-Barr virus (EBV)
Image: Getty Images

The Epstein-Barr virus (EBV) is very common and can cause glandular fever in young adults.
Image: Getty Images
Genes combined with immune response to Epstein-Barr virus increase MS risk | Karolinska Institutet

To believe in the childish notion of intelligent design by an omniscient, magical designer is to believe two things:
  • That it created our shoddy immune system that not only fails to protect us from pathogenic organisms such as bacteria, fungi and virus that frequently infect us.
  • That it also designed those pathogens and gave them the ability to not only evade our immune system but also turn it against us to ensure we suffer the long-term effects of infections, even when we have eliminated the causative parasite from our bodies.
In other words, creationism is to believe the putative designer is incompetent and/or malevolent.

Friday, 14 March 2025

Refuting Creationism - Common Ancestry Of Mosses and Algae - 600 Million Years Before 'Creation Week'.

The star-shaped algae Zygnema circumcarinatum shows similar stress reactions to the moss
Photo: Tatyana Darienko

The branching moss Physcomitrium patens, which the researchers used to study stress reactions and compare them to algae.

Photo: Tatyana Darienko.
600 million years of stress: plants retain shared gene hubs - Georg-August-Universität Göttingen

Like animals, plant life originated in the sea and only colonized land once they evolved the necessary adaptations. For animals, this meant developing mechanisms for breathing air and terrestrial locomotion. For plants, the primary challenge was desiccation, creating strong selection pressure for traits that mitigated water loss. This led to the evolution of a highly connected network of genes, known as a 'hub,' that regulates responses to environmental stress.

So fundamental is this genetic hub to plant survival that it has remained highly conserved throughout evolutionary history.

What information do you have on the evidence for the evolution of land plants and their divergence from marine algae?

The evolution of land plants from their algal ancestors is one of the most significant transitions in Earth's history. Multiple lines of evidence, including molecular phylogenetics, comparative genomics, palaeobotany, and developmental biology, support the hypothesis that land plants (embryophytes) evolved from a group of green algae, specifically within the Charophyte clade. Below is a summary of the key evidence:
  1. Molecular and Phylogenetic Evidence
    • Shared Genetic Markers: Molecular phylogenetic studies show that land plants are most closely related to charophyte algae, such as Chara and Klebsormidium.
    • Chloroplast DNA Similarities: Land plants and charophytes share specific gene arrangements in their chloroplast DNA, supporting common ancestry.
    • Cellulose Synthase Genes: The enzyme responsible for cellulose biosynthesis (CesA) has similar genetic sequences in charophytes and land plants.
    • Regulatory Genes: Some transcription factors crucial for land plant development, such as KNOX and BELL genes, have homologs in charophyte algae.
  2. Morphological and Structural Evidence
    • Cell Division Similarities: Charophyte algae and land plants share a phragmoplast-based cell division mechanism, distinct from other algal groups.
    • Sporopollenin Protection: Spores of early land plants and some charophytes are encased in sporopollenin, a tough biopolymer that protects against desiccation.
    • Plasmodesmata: Both groups have plasmodesmata, cell-to-cell communication channels that enable coordinated growth.
    • Branching Growth: Some charophyte algae, such as Coleochaete, show apical growth similar to land plants.
  3. Fossil Evidence
    • Ordovician and Silurian Microfossils (470-440 Ma): Fossilized spores with sporopollenin coatings appear before macroscopic land plant fossils, indicating early adaptation to terrestrial environments.
    • Rhynie Chert (Early Devonian, ~407 Ma): Preserves some of the earliest land plants (Rhynia, Aglaophyton), showing vascular tissue development.
    • Cooksonia (Silurian-Devonian Transition, ~430-410 Ma): One of the earliest known vascular plants, showing transition from bryophyte-like ancestors to tracheophytes.
  4. Biochemical and Physiological Adaptations
    • Desiccation Tolerance: Early land plants and some charophytes can survive drying out, an adaptation to terrestrial life.
    • Hormonal Pathways: Land plants and charophytes use similar hormones, such as auxin and abscisic acid, for growth and stress response.
    • Symbiosis with Fungi: Fossil evidence and molecular studies suggest that early land plants formed mutualistic associations with mycorrhizal fungi (Glomeromycota) to obtain nutrients.
  5. Transitional Forms
    • Zygnematophyceae as a Key Group: Recent genomic studies suggest that the Zygnematophyceae, a subgroup of charophyte algae, are the closest relatives of land plants. These algae lack complex multicellularity but share stress tolerance genes with land plants.
    • From Simple Algae to Complex Embryophytes: Gradual increase in structural complexity, from filamentous and parenchymatous algae to early non-vascular land plants, suggests a stepwise transition to terrestrial life.
Conclusion

The divergence of land plants from marine algae is well-supported by multiple independent lines of evidence. The transition was driven by adaptations to terrestrial challenges such as desiccation, nutrient acquisition, and reproduction. The evolutionary path likely involved early colonization by freshwater charophyte algae, which evolved desiccation tolerance, protective spores, and symbiotic relationships that facilitated the transition to permanent land-based life.

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Now a team of researchers from Georg-August-Universität, Göttingen, Germany, led by Professor Jan de Vries, Göttingen University, who led the research, explains: has shown that this same 'hub' is present in both mosses and algae, even though they diverged 600 million years ago, the mosses having evolved out of simple algae.

Malevolent Designer News - How Tuberculosis Is Protected During Airborne Transmission



Scientists have discovered a family of genes that becomes essential for survival specifically when the tuberculosis pathogen is exposed to the air, likely protecting the bacterium during its flight.
Image: iStock; MIT News.
Study: Tuberculosis relies on protective genes during airborne transmission | MIT News | Massachusetts Institute of Technology

Imagine you're the designer of a nasty little pathogen that is designed to make people sick and die, but you have a problem. The organism needs to get from one victim to the next in order to spread and make as many people sick as possible, but, as an obligate pathogen, it is designed to life in the moist warm interior of its victims, so is not very good at living outside, where it needs to be, if only briefly, to get into its next victim.

Quite a problem, eh?

But not something beyond creationism's divine malevolence, it seems, because, if you accept creationists' argument for the moment, the parasitic organism that causes tuberculosis is specially designed to survive while in transit, so to speak.

Exactly how it does it has recently been discovered by researchers at the Massachusetts Institute of Technology (MIT) and their collaborators. The key to its survival is a family of genes that were previously believed to be non-essential because they had no effect when injected into a potential host but have now been shown to be essential for survival outside a host's body.

Thursday, 13 March 2025

Incompetent Design - Failing To Plan Is Planning to Fail - And A Fatal Cancer Is The Result


Stress
Chronic stress and obesity work together to accelerate pancreatic cancer development and growth, study finds | UCLA Health

It’s a fundamental principle of management that failing to plan is, in effect, planning to fail. The future is inevitable, so preparation for it is essential.

Creationism’s supposed designer, however, is claimed to be both omniscient and omnipotent — fully aware of the future and capable of shaping it. In fact, many fundamentalist believers assert that this designer has a specific plan for each individual, meaning it doesn’t just foresee the future but actively creates it.

Logically, then, an intelligent, all-knowing creator should have planned accordingly, yet the evidence suggests otherwise. Our bodies are poorly adapted to endure the demands of modern urban life in a technologically advanced society, indicating a lack of foresight in their design.

The alternative explanation? This designer was fully aware of our future needs but deliberately created a body ill-suited for them.

US Christianity In Decline - But Not Because Of Evangelical Support For Trump And The Far Right


For Sale: Hundreds of Abandoned Churches. Great Prices. Need Work.

The Northeast is the only region for Southern Baptist growth, analysis shows

Despite the impression that their numbers are growing in line with the volume of the preaching and naked political opportunism, the Evangelical Christian churches in the USA, as represented by the Southern Baptist Convention, has actually seen a near-catastrophic decline in membership over the past 5 years, according to a report by Lifeway Research.

Lifeway Research is an evangelical research firm that is part of Lifeway Christian Resources, an entity of the Southern Baptist Convention that conducts the Annual Church Profile in cooperation with local associations and state conventions affiliated with the SBC.

The SBC annual report is often used to indicate the statistical state of the national denomination, which decreased to 12.9 million members according to the most recent profile in May 2024, marking the lowest numbers since the late 1970s for a denomination that reached its peak at 16.3 million in 2006.

And a deeper dive into the data paints an even bleaker picture for those who make their living from preaching and tithing and generally begging for money from their captive congregations.

The only parts of the USA to have seen a growth in numbers are the New England states of Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island and Vermont which saw a 10% increase between 2018 and 2023.

However, Lifeway Research point out that there are only 30 SBC churches in New England, so this figure could be a statistical anomaly. For instance, an additional three members in a population of 10 is a 30% increase, which is statistically insignificant in a nationwide decline of 3.4 million. All the other states saw a decline of between 8% and 18%, but the 8% decline in the South West was only held up by the high population growth in Texas compared to the rest if the country.

According to this report in the New York Times, more abandoned churches are coming onto the market for conversion to homes, just as they have in the UK.

However, in the UK where there are strict conservation laws, a problem now facing the moribund Anglican Church is that many of its disused churches are in urban settings where they are listed buildings, and there is a general prohibition on building on graveyards, so, in addition to the decline in members, the Anglican Church, and the churches in Scotland and Wales all have the problem of having to maintain disused grade I and II listed buildings.

Wednesday, 12 March 2025

Refuting Creationism - A Fossil Mammal From 62-Million-Years Before 'Creation Week'


Mixodectes pungens (foreground), small mammals that inhabited western North America 62 million years ago, weighed about 3 pounds, dwelled in trees, and largely dined on leaves. They inhabited the same forests as early primates like Torrejonia wilsoni (background).
Illustration by Andrey Atuchin.
A 62-million-year-old skeleton sheds light on an enigmatic mammal | Yale News

Sometimes, I almost feel sorry for creationists struggling to cling to their childish counter-factual superstition in the face of this constant deluge of contrary scientific evidence. Then I realise they are architects of their own defeat by consciously and conscientiously ignoring this contrary evidence. Remaining ignorant and so remaining wrong is a choice that they don't have to choose just to maintain the self-delusion that they are more expert than the experts.

So, I have no conscience about reporting yet another example of incontrovertible evidence of evolution on an Earth which is much older than creationists prefer to believe. It comes in the form of a reassessment of a 65-million-year-old fossil of an early mammal from the same branch of the evolutionary tree as primate, so is a distant cousin on humans.

Sunday, 9 March 2025

Ancient Footprints - Lessons From A French Cave


Ancient Footprints: The Oldest Evidence of Human-Canine Relationships - History and Artifacts
It's easy to make up eye-catching stories about the past, by imaginatively stringing together a few facts, but is it science?

Whispers of the Ancients

Deep within the labyrinthine recesses of the Chauvet-Pont-d’Arc Cave, where the air hung thick with the scent of damp stone and ancient fires, an eight-year-old girl ventured forth. The elders had warned her — that part of the cave was forbidden. It was where the spirits of the great beasts dwelled, where their whispers echoed through the dark, and where even the bravest hunters dared not tread alone.

But the girl was no hunter—yet. And she was not alone.

By her side padded a massive wolf, its dark fur bristling as it moved with quiet confidence. They had grown together, these two—child and beast—inseparable since infancy, their bond forged in the flickering light of the hearth. The wolf was full-grown now, but the girl was still small, still fragile, her feet unsteady on the slick cave floor. Yet she pressed on, curiosity outweighing caution.

The torch in her hand sputtered as she stepped deeper into the shadows, its flame fed by a crude bundle of dried bark fibres and animal fat. The light danced across the walls, bringing to life the spirits of their ancestors—painted bison, galloping horses, towering mammoths—all shifting and writhing as if breathing. The girl had seen these images many times, had heard the shaman’s tales of how they held the souls of the animals her people hunted. But tonight, they seemed different. More alive. Watching.

Her wolf moved ahead, silent, its keen senses attuned to something unseen. The girl’s bare feet left faint imprints in the cool clay, slipping now and then, leaving streaks where she caught herself. Her companion, ever sure-footed, made no such mistakes. Their prints ran parallel, weaving through the traces of cave bears long gone—the ghosts of the great beasts that had once roamed this cavern.

Saturday, 8 March 2025

Refuting Creationism - A Mass Extinction 252 Million Years Before 'Creation Week' - And Why Some Survived It


Mastodonsaurus
Image: Mark P. Witton
March: Amphibians bounce-back from Earth’s greatest mass extinction | News and features | University of Bristol

The thing about mass extinctions, apart from the fact that they occurred so long before creationists dogma says there was even a universe, is that they refute any notions of a planet fine-tuned for life, or any notions of a perfect creator creating all life as it is today. In fact, it was the growing interest in palaeontology and the growing realisation that the fossil record contained so many extinct species, which caused people to start to question the notion of divine creation by a perfect god.

It was also the existence of so many intermediate fossils and series showing progressive change over time that fostered the idea of evolutionary change, although, until Darwin and Wallace thought of evolution by natural selection, how it worked was a matter of speculation.

The end-Permian mass extinction was one of the most significant events in the history of life on Earth - a history, 99.9975% of which occurred before creationists think their little god created the small flat planet with a dome over it in the Middle East, that creationists like to imagine was the entire universe.

However, fortunately for subsequent life on the planet, and without whom it is unlikely that humans would exist, a handful of species survived, most notably some amphibians.

New Book - The Evolution of Creationism: How Creationism Has Adapted To Survive


Creationism should have faded into obsolescence long ago, having been thoroughly disproven by the overwhelming scientific evidence for evolution, in stark contrast to the total absence of evidence for a creator or any plausible explanation of how an unproven entity could create anything. Its continued persistence is primarily due to the efforts of a small group of vocal advocates who, in their pursuit of preserving their stake in the creationist movement, have abandoned any semblance of intellectual or personal integrity. These individuals have launched a concerted campaign of deliberate misrepresentation of science, while intentionally fostering profound ignorance among their audience to protect their interests.

The irony is that the creationist organisations such as the Deception Institute are having to adapt their tactics and make subtle changes to how they sell creationism in view of the (mostly) hostile changes in the legislative, educational and scientific environment in which they compete with science in the market place of ideas in exact mimicry of the natural evolutionary process they try to deny and misrepresent.

My latest book, written with the assistance of the AI client, ChatGPT4, the eighth in the series on Intelligent Design, describes how creationism has been adapted to try to compete with science in the struggle for the resource of public and scientific opinion on which it depends.

I use AI to research the subject and provide detailed descriptions of events and how the creationist movement has responded. AI can, in minutes, research and fact-check, then synthesise its findings into a few well-written paragraphs, something that would take weeks to do manually.

From the book's introduction:

Creationism has never been a static ideology. While the core belief in a divine creator remains unchanged, the arguments and strategies used to oppose evolution have continuously adapted. From early biblical literalism to modern Intelligent Design, the Anti-evolution movement has undergone significant transformations in response to scientific discoveries, legal challenges, and cultural shifts.

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