Showing posts with label Geology. Show all posts
Showing posts with label Geology. Show all posts

Sunday, 5 October 2025

Creationism in Crisis - A Transitional Lizard-Snake - From 167 Million Years Before 'Creation Week'

[left caption]
[right caption]

a, Life reconstruction of Breagnathair elgolensis based on measured proportions of NMS G.2023.7.1. b, Digital render of the bones as originally preserved in NMS G.2023.7.1, using information from the pilot scan (Supplementary Data 1 and 2). c–f, Digital renders of cervical vertebra (CEb in Extended Data Fig. 5) in left lateral (c), ventral (d), anterior (e) and posterior (f) views. g–i, Caudal vertebra (CAa in Extended Data Fig. 5) in left lateral (g), ventral (h) and anterior (i) views. Scale bars: 50 mm (b), 2 mm (c–i). Life reconstruction reproduced with permission from Mick Ellison (American Museum of Natural History).
New Species of Ancient Hook-toothed Reptile Discovered | AMNH

A newly described Jurassic fossil from the Isle of Skye, Scotland, has revealed a remarkable “missing link” between lizards and snakes. The find, named Breugnathair elgolensis, provides important evidence of snake evolution and further undermines creationist claims that no transitional forms exist. The research has just been published in Nature and reported by the American Museum of Natural History.

For creationists, this week must feel much like any other, as science continues to produce paper after paper that refutes their beliefs, while not a single one provides a shred of evidence in support of creationism — whether young-Earth or old-Earth, whether invoking an interventionist deity who micro-manages every detail of the universe, or a distant creator who merely lit the blue touch-paper and now sits back to watch the results.

Science, of course, concerns itself only with material reality. It has no use for evidence-free superstitions or fairy tales of the supernatural — notions born of human imagination and the desire for narrative to fill the gaps in our knowledge and understanding. Creationists, therefore, must rely on self-delusion and the irrational belief in a false dichotomy of “facts versus faith”, where even the slightest perceived flaw in science supposedly means total failure and victory for faith by default.

Sadly for creationists, that long-dreamed-of day when science collapses and their god descends triumphantly from the skies in a chariot — looking for all the world like a Bronze Age tribal despot — seems increasingly remote. Science continues to validate the scientific method and to build knowledge upon verifiable evidence, always willing to revise and refine its understanding in light of new discoveries. One such discovery is that of a transitional Jurassic reptile showing a mosaic of lizard and snake features — exactly what we would expect if snakes and lizards share a common ancestor. The problem with pinning one’s hopes on a false dichotomy that depends on science failing is that every new discovery only strengthens science and renders the alternative ever more irrelevant and untenable.

The troublesome fossil for creationists was discovered about ten years ago on the Isle of Skye, in the Inner Hebrides off Scotland’s west coast, by Roger Benson, Macaulay Curator of the American Museum of Natural History, and his colleagues. Named Breugnathair elgolensis — a Latinised form of the Scots Gaelic for “false snake of Elgol” — it has now been described in an open-access paper in Nature.

Saturday, 4 October 2025

Refuting Creationism - Clues to Abiogenesis In Japan's Hot Springs

A panoramic picture of one of five hot springs during winter, showing the source water and CO2 bubbles.
Credit: Fatima Li-Hau, ELSI

Hot springs in Japan give insight into ancient microbial life on Earth – ELSI|EARTH-LIFE SCIENCE INSTITUTE

It’s been a dreadful week for creationists as yet another published paper undermines one of their favourite claims and further reduces the god-shaped gap on which they increasingly depend — the so-called abiogenesis gap. This argument rests on the delusional assumption that if science has not yet fully explained something, then it never will — and therefore creationism wins by default. The history of science, of course, shows the opposite: today’s mysteries are tomorrow’s discoveries.

This time, the blow comes from a publication in the journal Microbes and Environments, which describes how five hot springs in Japan provide natural analogues of the conditions in which the first living organisms could have evolved. These springs are rich in diverse chemical and thermal gradients, making them excellent testbeds for exploring how life can thrive in extreme conditions and use non-traditional energy sources.

The study was conducted by a team led by Fatima Li-Hau, then a graduate student at the Earth-Life Science Institute (ELSI), Tokyo Institute of Science, with Associate Professor Shawn McGlynn as her supervisor. Their work focused on the microbial communities found in these hot springs, which range from moderately warm to boiling.

Wednesday, 1 October 2025

Refuting Creationism - How Earth Was Really Formed - No Magic Spells Required

The Collision that created the Earth-Moon complex and gave us seasons and tides.
AI-generated image (ChatGPT 5)


Artistic illustration of the early formation phase of the solar system. At the time, the young sun (in the centre) was surrounded by a pro-planetary disc - a rotating collection of gas and dust.
© ESO/L. Calçada.
No collision, no life: Earth probably needed supplies from space

According to creationists who treat the Bible as both science and history, the Earth was created ex nihilo as a small, flat world beneath a dome, sitting at the centre of the universe. This happened, they claim, when a male deity with magical powers spoke some special words – in a language no one else could have known, since no other sentient beings yet existed.

And all of this supposedly took place instantaneously, just 6,000 to 10,000 years ago.

Creationists also like to imagine that the Earth, and indeed the whole universe, was purpose-built and fine-tuned, with a grand plan designed so that they could live comfortably here and now.

The scientific reality, however, could not be more different.

Earth formed some 4 billion years ago, condensing out of an accretion disc around a young, second- or third-generation star – our Sun – amid the chaos of the early solar system. Planets jostled for stable orbits, minor planetoids collided or were absorbed, and gravity ruled everything.

Now, two scientists at the University of Bern have shown that the Earth which first emerged was dry, barren, and stripped of the essential building blocks of life. It was only thanks to a colossal chance collision with a wandering planetoid, rich in water and volatile elements such as hydrogen, carbon, and sulphur, that Earth acquired the raw ingredients for habitability. The debris from this impact later condensed to form the Moon, while the tilted axis of Earth’s rotation – which gives us our seasons – was another by-product of that chaotic event.

None of this was inevitable. It was the result of blind chance shaped only by natural forces such as gravity, directly refuting the creationist mantra that “order cannot come from chaos.” To insist it was all preordained as part of some cosmic plan to produce humans (and, more parochially, white Americans) is to deny the fragility of existence and the extraordinary good fortune of being alive now, able to appreciate the wonder of how it all came to be.

Atheists do not live for death; they live for life.

Tuesday, 30 September 2025

Refuting Creationism - An Ichthyosaur from 200 Million Years Before 'Creation Week'

Artist’s interpretation of Eurhinosaurus mistelgauensis on 'belemnite battleground'.
Credit: Andrey Atuchin.

Eurhinosaurus mistelgauensis specimen from the Urwelt-Museum Oberfranken on a belemnite battleground. The fossil plate is about 4 m long.
New Jurassic ichthyosaur species discovered in Mistelgau

It's shaping up to be another bad week for creationism, with the evidence for evolution on an old Earth continuing to accumulate, and evidence against any intelligence being involved in its evolution growing unabated. There is even a paper describing how and when Earth was really formed, and the contrast between that reality and the Bible’s version could hardly be greater.

This article looks at just one of these developments (more will follow). From the perspective of evolutionary biology, it is not especially remarkable—simply the description of a new species of extinct ichthyosaur, Eurhinosaurus mistelgauensis, from the Lower Jurassic (around 200 million years ago).

But for creationism, it serves as yet another stark reminder of how wrong the biblical creation story and timeline are. To put it bluntly, this fossil would not exist if the Bible’s story were true. It doesn’t take a genius to see how the fact of its existence bears on debates about the truth or falsity of Genesis—though creationists appear to struggle with this basic deductive logic.

Sunday, 28 September 2025

Refuting Creationism - Scientists Might Have Got Something Wrong - But Not As Wrong As The Bible's Authors Did.

Cross-section of an egg-shaped iron oxide stone: It holds information about the amount of organic carbon in the sea millions of years ago, much like a time capsule.
Image: Nir Galili /ETH Zurich

Minute witnesses from the primordial sea | ETH Zurich

Scientists at Eidgenössische Technische Hochschule (ETH) Zürich have discovered evidence that may force us to rethink how Ice Ages and complex life began. By studying tiny iron oxide grains called ooides, they found that dissolved carbon dioxide in the oceans between 1000 and 541 million years ago was 90–99 percent lower than today — far too low to have triggered an Ice Age or the rise of multicellular organisms.

For creationists, this creates a dilemma. Whatever did cause these events, it happened hundreds of millions of years earlier than their literal reading of the Bible allows. Science may revise its conclusions when new evidence emerges, but it is nowhere near as wrong as the Bible’s authors—who missed the truth by billions of years.

This difference highlights the contrast between science and religion. Science asks, “What does the evidence show?” and adapts accordingly. Religion demands blind faith, treating doubt as a weakness.

Creationists boast that their “truth” never changes, but the reality is that what doesn't change is the mind of a creationist who is immune to evidence, deductive logic and analytical reasoning. Refusing to change your mind in the light of evidence is intellectual bankruptcy - the hallmark of dogma, not wisdom.

Tuesday, 23 September 2025

Refuting Creationism - A Newly-Identified Dinosaur From About 220 Million Years Before 'Creation Week'

Reconstruction of Newtonsaurus cambrensis in its natural setting
AI-generated (ChatGPT 5)

September: Newtonsaurus identification | News and features | University of Bristol

A newly-identified dinosaur from the Late Triassic of Wales has turned out to be hiding in plain sight. The fossil, discovered in 1899 and displayed for years in the National Museum of Wales, has only now been correctly recognised thanks to modern imaging technology unavailable to earlier researchers.

Originally described by Edwin Tully Newton in 1899 as Zanclodon cambrensis, the specimen has now been reclassified by a team of palaeontologists led by Owain Evans of Bristol University. Since the name Zanclodon is no longer used for early reptiles, the team have given it a new name: Newtonsaurus.

As always, discoveries like this present a problem for creationists. Fossils of species that lived tens or even hundreds of millions of years ago sit uneasily with their narrative that all life was magically created just a few thousand years ago. To preserve that story, they are forced into feats of mental gymnastics — whether by bearing false witness against scientists, rejecting well-established dating techniques, or simply dismissing the evidence outright as “wrong.”

The rocks, however, are not so easily ignored. Unlike ancient manuscripts, said to have been dictated by a god to prophets and accepted only on faith, the fossil record is physical, testable, and open to constant re-examination. Evidence can be checked, rechecked, and reassessed as methods improve — something faith alone cannot provide.

Thursday, 18 September 2025

Refuting Creationism - How Earth Was Really Made - No God-Magic Needed


High-energy Venus Impacts
An SwRI-led team compared the early impact history of Venus and Earth, determining that Venus experienced higher-energy impacts that created a superheated core. Models show these conditions could create Venus’ extended volcanism and younger surface.

Evolution of Terrestrial Planets
A new SwRI-led paper highlights the scientific progress made in understanding the evolution of terrestrial planets, including the effects of late large impacts on pre-existing modes of tectonics. For instance, the Earth experienced transient subduction, when one tectonic plate slides beneath another. Because Venus’ surface is covered by a single plate, a high-velocity impact led to a superheated core and long-lived volcanism. On Mars, a large, low-velocity impact facilitated variations in its hemispheres. Impacts also modify the atmospheres of terrestrial planets in profound ways, including eliminating or supplementing existing gases.
SwRI-led paper summarizes notable progress in understanding the evolution of the terrestrial planets | Southwest Research Institute

Creationist myths describe Earth as a flat world under a dome at the centre of the Universe, made just a few thousand years ago. The real story is far more extraordinary: a fragile chain of chance events and natural forces that made life possible on this small rocky planet.

Earth orbits an ordinary star on the edge of the Milky Way, one of billions in one of trillions of galaxies. That it exists at all is down to gravity, physics, and luck. Out of this came a beautiful world teeming with life—including one species able to marvel at the Universe and ask how it all began, and in it's fearful, ignorant infancy, make up the myths to explain it that now pass for science in some scientifically backward cultures.

One early collision with a smaller planetoid gave us the Moon, tides, and seasons; this or a later impact may, according to this study, be responsible for tectonic plates, giving us a forever changing, dynamic planet, driving evolutionary divergence. While not required for life to appear, these events shaped the planet into the diverse, life-rich world we know today.

Friday, 12 September 2025

Refuting Creationism - Dinosaur Eggs From 85 Million Years Before 'Creation Week'

Egg clutch sampled for chronological studies.
Credit Dr. Bi Zhao

Dinosaur egg fossil sampled for geochronology.

Credit: Dr Bi Zhao
Newly dated 85-million-year-old dino eggs could improve understanding of Cretaceous climate

The dating of a clutch of fossil dinosaur eggs will leave creationists scrambling for excuses to dismiss the evidence and cling to the childish notion that Earth is only 6,000–10,000 years old, created ex nihilo by magic, with all extant and extinct species brought into existence without ancestors just a few days later. In other words, this discovery is yet another small addition to the mountain of evidence showing that the biblical creation story was the work of ignorant Bronze Age people trying to make sense of the world around them, not the word of an omniscient creator god who would have known better.

An added problem for creationists is that the research team used a new method of dating the eggs based on measuring when the eggshell itself formed, rather than relying solely on dating the rock in which the eggs were embedded. The difficulty with the latter approach is that, while it gives the age of the surrounding rock, the mineral grains in that rock may predate the eggs and could have been transported there by water or wind.

The new technique is conceptually similar to the uranium–lead (U–Pb) method used to date zircon crystals in volcanic tuff. Tiny amounts of uranium, which readily substitute into the crystal lattice, are incorporated when the zircon forms, but lead is excluded. Over time, uranium isotopes decay into stable isotopes of lead. Thus, any lead present within a zircon crystal must have come from radioactive decay, and by measuring the ratio of uranium to lead isotopes, scientists can calculate the crystal’s age with high precision.

A very similar process occurs in the carbonate of dinosaur eggshells: uranium is incorporated during formation, but lead is excluded. Measuring uranium–lead isotope ratios in the shell carbonate therefore provides a direct and highly accurate age for the eggs themselves, leaving little room for error.

Monday, 1 September 2025

Creationism Refuted - Filling The Gaps That Ignorant Creationists Never Knew Existed

Artistic reconstruction of Bolg amondol, depicted raiding an oviraptorosaur dinosaur nest amidst the lush Kaiparowits Formation habitat.
Art by Cullen Townsend.

A Monster “Goblin” at the Feet of Dinosaurs | Natural History Museum
View of the Kaiparowits Formation from Death Ridge in Grand Staircase-Escalante National Monument.
Figure 4. Reconstruction of UMNH VP 16266 (holotype, Bolg amondol gen. et sp. nov.). Gold: preserved skeletal elements. Grey: morphological hypotheses of reconstructed elements based on the morphology of preserved skeletal elements. Black: missing skeletal elements, based on publicly available rendered CT scans on morphosource.org of specimen UF:Herp:153328, Heloderma horridum.
There was a gaping hole in our knowledge of evolution which, had creationists been aware of it, we would never have heard the end of. They would have claimed that their gap-shaped god fitted it perfectly, like a puddle in its hollow. Of course, it was no secret. Biologists—especially those studying the evolution of lizards—knew about it well enough. No one was hiding it from creationists. Their blissful ignorance was simply the result of their fear of engaging with real biology.

We knew that today’s large-bodied lizards must share common ancestors, but the gap lay in the fossil evidence to support that view—what creationists dismissively call “conjecture” or claims made without evidence. Yet the Theory of Evolution always predicted that such ancestral and transitional forms must have existed.

Creationists, however, have missed that particular boat because the gap has now been filled. The prediction of evolutionary theory has, once again, been vindicated.

The gap-filling discovery was made by Dr Hank Woolley of the Dinosaur Institute while examining a jar of bones at the Natural History Museum of Utah, simply labelled “lizard bones.” Dr Woolley identified them as belonging to the Monstersauria—a group of lizards with a 100-million-year history, but until now an incomplete fossil record. A modern member of this group is the Gila Monster, one of only two venomous lizards alive today. The fossil, belonging to a large-bodied lizard which Dr Woolley has named Bolg amondol after a character in J.R.R. Tolkien’s The Lord of the Rings, was found in the Kaiparowits Formation of the Grand Staircase–Escalante National Monument, Utah—a palaeontological treasure trove and one of North America’s richest dinosaur-dominated records. Alongside dozens of new species, the site offers a vital window into the deep past. The age of this fossil places it squarely in the age of the dinosaurs, a crucial factor in lizard evolution.

Incidentally, the picture above shows the Kaiparowits Formation. Perhaps a creationist would like to explain how those vast sedimentary strata could have been deposited in a single global flood.

Thursday, 28 August 2025

Refuting Creationism - Oceanic Oxygenation Spured Rappid Evolution - 390 Million Years Before 'Creation Week'


An artist’s rendering of a prehistoric jawed fish from the Late Devonian called Dunkleosteus. These sorts of large, active vertebrates evolved shortly after the deep ocean became well-oxygenated.
© 2008 Nobu Tamura/CC-BY-SA.
How oxygen made the deep ocean home to animals, spurring rapid evolution | UW News

Another wave of reality breaks over the impervious rocks of creationist dogma, in the form of news that an international team of researchers led by the University of Washington has shown a correlation between the rapid radiation of marine vertebrates and the evolution of plants on land. As trees and other vascular plants spread, more atmospheric carbon became locked into their woody stems, reducing carbon dioxide levels. At the same time, increased photosynthesis raised atmospheric oxygen levels, which in turn oxygenated the oceans, making oxygen available in depths that had previously been anoxic.

Creationists will, of course, need to ignore the fact that this finding flatly contradicts their claims that evolution only occurs within “kinds” and that all diversification happened in a brief burst of warp-speed evolution following a genocidal global flood some 4,000 years ago. The timeline alone is utterly inconsistent with their favourite creationist fairy tale.

Scientists once believed this major oxygenation event had occurred about 500 million years ago, but the new research shows that episode was short-lived. A more significant oxygenation occurred around 390 million years ago. Initially, oxygenation would have taken place in shallow coastal regions where vertebrates first evolved. As oxygen penetrated deeper into the oceans, vertebrates followed into the newly opened niches, leading to a rapid proliferation of jawed vertebrate species — the ancestors from which terrestrial tetrapods later evolved.

The team reached their conclusions after measuring selenium isotopes in 97 sedimentary rock samples from five continents, dated between 252 and 541 million years ago. These rocks had been deposited near the edges of continental shelves, where shallow seas transition into the deep ocean. Selenium occurs naturally in several isotopic forms, and the ratios in which they were deposited depend on the level of oxygen dissolved in seawater. These isotopic signatures thus provide an indirect measure of oxygenation levels at the time the rocks were laid down.

Wednesday, 27 August 2025

Refuting Creationism Again - Now A 500-Million-Year-Old Fossil Worm From Greenland

Reconstruction of Nektognathus, swimming in the Cambrian Sea
Image credit: Bob Nicholls

The holotype specimen of Nektognathus from Sirius Passet

Image credit: Tae Yoon Park
2025: Ancient squid-like creatures are not squid after all, study finds | School of Biological Sciences | University of Bristol

The bad day for those creationists who haven't yet closed their minds to contrary information continues. Close on the news of a 220-million-year-old fossil ichthyosaur from Japan comes the discovery of a 500-million-year-old fossil worm from Greenland.

The identification of this Cambrian fossil, Nectocaris, as an ancestor of arrow worms rather than an early squid, as once thought, is a fine example of something creationists pretend to find incomprehensible: scientists changing their minds when new evidence demands it. Wedded to simple certainties, right or wrong, creationists insist that science must be either wholly right or wholly wrong. If a conclusion is shown to be mistaken, they assume the entire scientific enterprise collapses into a cloud of vacuous uncertainty. In their black-and-white world of false dichotomies, that somehow means their evidence-free superstition wins by default.

About 15 years ago, a study of fossils from the Burgess Shale concluded that Nectocaris was a cephalopod mollusc. But that classification posed problems since what could be discerned of its anatomy did not match that of cephalopods. That difficulty has now been resolved by a detailed examination of the ventral ganglion – part of the nervous system – which is revealed to consist of paired structures consistent with being ancestral to arrow worms.

This breakthrough was made possible by the exceptional preservation of fossils at Sirius Passet in northern Greenland, a remarkable Cambrian fossil site.

Wednesday, 20 August 2025

Refuting Creationism - Earliest Known Hominins In Europe - 1.4 Million Years Before 'Creation Week'

A researcher holds a stone tool in Korolevo.
CAS Prague Institute of Archaeology

Press release | The First Humans Came to Europe 1.4 Million Years Ago - ARUP
A map showing the migration of hominins through Europe.
CAS Prague Institute of Archaeology

This news release slipped beneath my radar back in March 2024, but as it’s now being discussed on social media, I thought I’d take a look and track down the original press release and the publication in Nature.

The news came from the Czech Institute of Archaeology: research by an international team led by Roman Garba, from the Institute of Nuclear Physics and the Institute of Archaeology of the Academy of Sciences of the Czech Republic, Prague, has uncovered the earliest evidence of hominins in Europe at a site in Ukraine.

This is, like most discoveries in biology, archaeology, and geology, compelling evidence that the Bible’s account of creation is not only wrong, but so far removed from reality that it can’t even be rescued as metaphor or allegory. Increasingly large portions of the Bible now have to be explained away in this manner as mainstream Christianity retreats from the doctrine of Biblical inerrancy and the idea of a creator god. What’s left is a dwindling rump of die-hard creationists, clinging desperately to the wreckage of their beliefs as the tsunami of evidence sweeps them further into irrelevance.

The discovery was made at Korolevo, Ukraine, and consisted of stone tools—sadly, no bones were found. If confirmed, this pushes back the timeline of hominin migration into Eurasia by 200,000 to 300,000 years from the previous earliest known date at Sima de los Huesos, Atapuerca, Spain. The scale of denialism required to dismiss this discovery can be measured in the response of one such creationist on Facebook:

since the earth is less then [sic] 6,000 years old where was this skeliton [sic – it’s actually a stone tool] for the remiander [sic] of that time seeing there was no universe?


Friday, 15 August 2025

Refuting Creationism - The Grand Canyon Is a Treasure Trove Of Cambrian Fossils - From 500 Million Years Before 'Creation Week'


View of the Grand Canyon from the Colorado River.
Jason Muhlbauer
Grand Canyon was a ‘Goldilocks zone’ for the evolution of early animals

One of the things about American creationism that many people in the rest of the world find endearing—if not more than a little irritating—is the ignorant parochialism that underpins so much of it. For example, it is part of the creationist narrative that the Grand Canyon is “proof” of the biblical flood because, so they assert, the layers were laid down during the flood and the canyon was then gouged out by the floodwaters running away. This also plays neatly into the biblical flat Earth idea, because they assume the floodwaters went somewhere—presumably over the edge—having been magically piled up for the best part of a year until the magic was removed.

And of course, it all happened in America, where the important things always happen and where anything that happens is important—when Jesus returns, it will be to America; America is the place God is preparing for Jesus’s return, and so on.

So the recent open-access paper in Science Advances by an international team of palaeontologists led by scientists from Cambridge University, UK, reporting that the Grand Canyon is a rich source of fossils from the Cambrian biota, will no doubt come as a shock to American creationists.

Wednesday, 13 August 2025

Creationism in Crisis - Transitional Penguin Fossils From New Zealand - 60 Million Years Before 'Creation Week'

An artistic representation of a North Canterbury beach some 62 millions years ago.
Canterbury Museum and Tom Simpson, CC BY-SA

Dagger beaks and strong wings: new fossils rewrite the penguin story and affirm NZ as a cradle of their evolution.

One of the most glaring flaws in creationist reasoning — among the many — is its desperate reliance on gaps in knowledge as hiding places for their putative god. It’s a strategy that ensures their god grows ever smaller and often vanishes entirely as science steadily closes those gaps. This “god of the gaps” approach is ultimately doomed—either to complete collapse or to a never-ending scramble for new gaps, real or imagined, in the forlorn hope that this time, unlike every other, the gap will contain the one thing they crave: a god that cannot be explained away.

One such gap — of which creationists so far seem blissfully unaware, or we would never hear the end of it — is the evolutionary transition between the flying ancestors of penguins and the modern, flightless penguins whose skeletons have adapted from an aerial to a marine existence. This transformation involved all the changes needed to turn wings into powerful flippers for ‘flying’ underwater, a more upright gait, and feathers adapted for life in the water and for the cold of the Antarctic environment where most species now live.

That gap has just been substantially filled by the discovery of a large collection of ancient penguin fossils in the Waipara Greensand Formation in New Zealand, north of Canterbury. This formation spans roughly 62.5 to 58 million years ago—a period of some 4.5 million years, beginning only a few million years after the extinction of the non-avian dinosaurs at the end of the Cretaceous, 66 million years ago. With every such discovery, the supposed “mystery” shrinks a little more—and the god wedged into it fades further into irrelevance. How these fossils fill the gap in our knowledge of penguin evolution is the subject of an article in The Conversation by two palaeontologists from the University of Canterbury, New Zealand: Vanesa De Pietri, Senior Research Fellow in Palaeontology, and Paul Scofield, Adjunct Professor in Palaeontology. Their article is reprinted here under a Creative Commons licence, reformatted for stylistic consistency.

First, some background information on the Waipara Greensand Formation:

Tuesday, 5 August 2025

Creationism Refuted - The Subterranean Microbes That Make Creationists Sick


Karen Lloyd
Buried Alive: The Secret Life of Deep Earth Microbes

What if we could peer back through deep time and see what single-celled organisms looked like—not just thousands, but hundreds of millions of years ago—and compare them to their living descendants? It would be a revelation for science… and a nightmare for creationists.

That’s precisely what geobiologist Karen Lloyd and her team at the University of Southern California (USC) are uncovering. They study microorganisms that have made an incredible journey: born in the depths of the ocean, slowly buried under a relentless rain of sediment, and then carried by plate tectonics into the deep Earth, where subduction dragged them beneath continental crust. There, cut off from oxygen and sunlight, they survived for millions of years in a slow-motion existence, drawing nutrients from the surrounding rock. Their metabolic rates became so low they could no longer replicate, yet they endured by “breathing”—in the biochemical sense—through redox reactions, extracting energy from electrons provided by whatever electron donors the rocks could supply. Some have even evolved the ability to “breathe” carbon dioxide, something unknown among terrestrial life.

These organisms’ existence is a direct challenge to creationist dogma—not only because they have persisted for timescales far beyond the Bible’s allowance, but because they reveal how even apparently simple single-celled organisms can diverge and adapt over geological epochs. Environmental pressures have driven them into extraordinary evolutionary niches, each defined by what they have learned to “breathe.” Moreover, they exist in environments in which life as we know it couldn't survive, yet creationists insist that Earth was intelligently created, perfect for life, which begs the question, which life? The life that breathes using arsenic, lives for millions of years deep underground with almost no metabolic activity and survive in the heat and acidity of volcanic hot springs, or life the breathes oxygen and needs a regular supply of water and a narrow range of ambient temperatures in which to survive without special equipment?

Saturday, 12 July 2025

Creationism In Crisis - A 145-Million-Year-Old Fossil Early Mammal From Dorset, England

Imaginative reconstruction of Novaculadon mirabilis. Likely this animal would have been a little larger than a mouse.
Picture credit: Hamzah Imran.

(L-R) Dr Roy Smith and University of Portsmouth student Ben Weston by the flint bed in Durlston Bay near Swanage, which is the layer of rock which the mammal fossil came out of.
Credit: Ben Weston.
New species of tiny Cretaceous mammal discovered by University of Portsmouth student | University of Portsmouth

When someone grows up being threatened with divine punishment for merely entertaining doubts about the literal truth of the Bible, it's hardly surprising that real-world evidence struggles to break through the psychological defences they've built to protect themselves. This phenomenon is what atheist author and philosopher, Professor Peter Boghossian refers to as doxastic closure — a mental state in which contrary ideas are shut out before they can even be considered.

Former young-Earth creationist and now science advocate and geologist Glenn Morton once described it as like having a “gatekeeper demon” perched on the edge of your consciousness—filtering out any facts or logical arguments that challenge creationist beliefs, while admitting only those misrepresentations of science that appear to support them.

In this mindset, inconvenient realities — such as the discovery of a 145-million-year-old fossil of an early mammal — are unlikely to dent the conviction that the Earth is only 6,000 to 10,000 years old, and that all animals were created in a single supernatural event. In this view, evolution is simply an illusion, no matter how well the evidence supports it.

Even so, for any creationist with the courage and intellectual honesty to read this far, the story of that inconvenient little fossil is well worth exploring. It was discovered by a palaeontology student from the University of Portsmouth, along the Dorset coast of England, and is the subject of a recent paper in Proceedings of the Geologists’ Association.

This find marks the first discovery of a multituberculate jaw at Swanage since Victorian times. Its distinct size and shape confirmed it as a completely new species.

Friday, 4 July 2025

Refuting Creationism - The Mass Extinction 252 Million Years Before 'Creation Week'

Dr Zhen Xu on fieldwork in China.
Image credit: Zhen Xu

Pre-extinction tropical rainforest seed fern, Gigantopteris, (giant leaves)

Dr Zhen Xu.
New fossils reveal climate tipping point in most famous mass extinction | University of Leeds

Creationists claim that Earth is only a few thousand years old and that it was created perfectly and finely tuned for life—brought into existence without ancestors, from nothing, by means of supernatural command. Their evidence for this extraordinary claim rests on the beliefs of Bronze Age pastoralists who imagined Earth as small, flat, and covered by a solid dome. These ancient myths were eventually written down, bound up in a book later declared by people with a vested interest, to be divinely inspired and historically accurate.

Science, by contrast, presents a very different picture. Far from being a perfect and finely tuned haven for life, Earth is a dynamic and often hostile planet. Life persists here not because conditions are universally benign, but because a small number of organisms have evolved to thrive within narrow environmental niches. Throughout Earth’s long history, global conditions have periodically tipped into extremes so severe that they triggered mass extinction events. Unlike creationist claims, these conclusions are supported by tangible, testable evidence.

One such event—known as the Great Dying—occurred around 252 million years ago, relatively recent in the planet’s \~4.5 billion-year history. This catastrophe, the most severe extinction event known, was likely triggered by intense volcanic activity that caused a rapid and sustained rise in global temperatures. The resulting climate shift led to the collapse of tropical forests, which in turn reduced the planet’s capacity to absorb atmospheric carbon, driving further warming. This cascade of ecological breakdown led to the loss of most marine species and widespread collapse of terrestrial ecosystems.

The outcome was a planetary heatwave that lasted for approximately five million years.

New evidence for the role of rainforest collapse in both the onset and the recovery from the Great Dying has been presented by an international team of scientists, led by researchers from the University of Leeds and the China University of Geosciences in Wuhan. Their findings are detailed in a recent paper published in Nature Communications and summarised in a news release from the University of Leeds.

Wednesday, 2 July 2025

Refuting Creationism - Evidence of Humans In America 13,000 Years Before 'Creation Week'

Human footprints at White Sands National Park in New Mexico, reported in 2021, show that human activity occurred in the Americas as long as 23,000 years ago – about 10,000 years earlier than previously thought. A new U of A study supports the 2021 findings.
Courtesy of David Bustos/
White Sands National Park

Earliest evidence of humans in the Americas confirmed in new U of A study | University of Arizona News
Fig. 3. Alkali Flat east escarpment.
(A) WHSA Locality 2 (view east) (Fig. 2B) with exposure of alluvial beds and palustrine beds along the escarpment. Stratum 1 is exposed in the foreground (comprising the eastern margin of Alkali Flat), but in this photo, it is dried out and covered with a thin sheet of eolian gypsum sand. The finely bedded sands and muds of Stratum 2A comprise the low escarpment in the middle ground, expressed by the thin, horizontal ledges formed by differential weathering of the stream beds. The trench exposing human tracks in Stratum 2A is at the left.
Fig. 1. Field area setting.
The northern Tularosa Basin showing the area of the White Sands (“Gypsum Sand Dunes”), the Alkali Fat deflation basin, modern Lake Lucero, and present-day Lost River, which drains southwest across the distal piedmont until it is buried by the gypsum dunes (see also fig. S4). The 1204-m contour line approximates the proposed extent of paleolake Otero (15). It was likely more extensive given the >4 m of lake beds at “G.” The two field areas (red dots) are as follows: “G” is the area of Gypsum Overlook, the Central study area, and WHSA Locality 2; “Loc 1” is a stratigraphic section along the west margin of Alkali Flat. The brown pattern at G is the area of exposures of deposits linked to paleolake Otero and overlain by truncated Holocene dunes (31). The inset shows the location of the White Sands and the Tularosa Basin within New Mexico [based on figure 1 in (31)].

Image credit: X. Gong and A. Cowart, University of Wisconsin Cartography Lab.
Vance T. Holliday et al.(2025)
The Bronze Age Middle Eastern authors of the Bible clearly knew little of the world beyond a few days' walk from their homes in the Canaanite Hills. The world they described — and the stories they invented to fill the vast gaps in their knowledge — contained nothing unfamiliar to them. They had no way of knowing the true age of the Earth or the Universe, which they imagined to be fixed and immobile. They knew nothing of the history of living or extinct species, nor of the compelling evidence for common ancestry stretching back hundreds of thousands, even tens of millions, of years. And they were entirely unaware of the existence of other peoples living in distant lands, across vast oceans on other continents.

It should come as no surprise, then, that they got so much wrong, and that their writings omitted nearly everything science has since revealed about human origins. We now know that Homo sapiens diversified from archaic ancestors in Africa and gradually spread across the globe—migrating over land bridges now submerged by rising sea levels and eventually reaching the Americas.

Almost all of this is well-established in modern science, with the only significant uncertainty remaining around the precise timing of the first human colonisation of the Americas from Siberia. Bible literalists attempt to sidestep this discrepancy between the scientific evidence and the biblical narrative by postulating, without any supporting evidence, that the Bible was authored by an omniscient creator god. They argue that any contradiction with scientific findings must be due to mistaken interpretation, not error in the Bible. In essence, their reasoning runs: “The Bible was written by an all-knowing god because the Bible says so—therefore, any conflicting evidence must be wrong.” Instead of critically examining the claims of Bronze Age hill farmers, they demand that science must bend to fit ancient, unsubstantiated assertions.

One striking example of the scientific evidence at odds with biblical literalism is the recent confirmation that human footprints discovered at White Sands National Park, New Mexico, are 23,000 years old—some 13,000 years older than biblical literalists believe the Earth itself to be.

These footprints were discovered in 2021 and initially dated to 23,000 years ago — 10,000 years earlier than the previously accepted earliest human presence in the Americas. While this early date was controversial, a team led by Professor Vance Holliday of the University of Arizona’s School of Anthropology and Department of Geosciences has now re-evaluated the evidence and confirmed the original finding.

The team has just published their findings, open access, in Science, with an explanation in an official University of Arizona news release.

Sunday, 22 June 2025

Refuting Creationism - How Living Organism's Survived - 700 Million Years Before 'Creation Week'

Researchers Ian Hawes of the University of Waikato and Marc Schallenberg of the University of Otago measure the physicochemical conditions of a meltwater pond.
Credit: Roger Summons

Pustular microbial mat section such as could have existend in small melt-water ponds.
When Earth iced over, early life may have sheltered in meltwater ponds | MIT News | Massachusetts Institute of Technology

Only by systematically ignoring geological and archaeological evidence can creationists continue to delude themselves into believing that Earth is just a few thousand years old and was perfectly created by an anthropophilic god especially for humans – its supposed “special creation.”

The evidence, however, paints a radically different picture from that childish superstition. Not only was Earth clearly not perfectly created for humans, it wasn’t perfectly created for any life form. And it is far older than creationists assert. In truth, around 600 million years ago, Earth was such a hostile place for life that it was entirely covered in ice. The polar ice sheets had extended until they met at the equator. These “Snowball Earth” conditions led to a mass extinction so severe that it remains something of a mystery how any life survived – especially complex eukaryotic cells.

Now, a multinational team of researchers led by scientists from the Massachusetts Institute of Technology (MIT) has found evidence that early life could have survived in small pools of surface meltwater. They reached this conclusion after studying similar meltwater pools on the McMurdo Ice Shelf in Antarctica. What they found not only showed that single-celled eukaryotes can survive in such conditions, but also revealed that the population of prokaryotes varies according to local environmental conditions

These meltwater pools act as microcosms of diverse environments and demonstrate how local factors shape the distribution of different species – exactly as predicted by the Theory of Evolution. Had the conditions been perfect as creationists insist, there could be no variation in the populations in these pools. Variation only arises because the species need to adapt to different conditions - something that would never be needed in perfectly designed conditions.

The team has just published their findings, open access, in the journal Nature Communications.

Monday, 12 May 2025

Refuting CReationism - A Transitional Salmon Ancestor from 73 Million Years Before 'Creation Week'

Horseshoeichthys armaserratus from the Prince Creek Formation (PCF) and Dinosaur Park Formation compared.
See caption below

New ancient fish species earliest known salmon ancestor | UAF news and information

Cypriniform abdominal centrum from the Prince Creek Formation (A, UAMES 54154) compared with an extant cypriniform abdominal centrum (B, Catostomus Catostomus, TMP 1990.0007.303) in (from left to right): anterior, left lateral, posterior, dorsal and ventral view. Images in A are digital reconstructions from computed tomography scans; images in B are photographs of specimens dusted with ammonium chloride. Scale bars represent 1 mm.
Contrary to the childish fairy tales believed by creationists which tell tales of magic creation ex nihilo just a few thousand years ago, real grown-up science repeatedly shows that 99.9975% of Earth's history happened before then and living species are the result of an evolutionary process.

It’s no surprise then that this is just another such paper. It reports on the discovery of fossil ancestors of modern salmon which lived in Alaskan rivers, 70 million years ago, pushing back the earliest ancestral salmon so far discovered by 20 million years.

The discovery was made by palaeontologists from the University of Alaska, Fairbanks led by Patrick Druckenmiller, director of the University of Alaska Museum of the North. They have just published their findings, open access, in the journal, Papers in Palaeontology. Their work is also explained in a University of Alaska, Fairbanks, news item:
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