Uncommon Descent Serving The Intelligent Design Community

Do mass extinctions happen every 26 million years or so?

It’s worth looking at. Recently, we looked at how new findings support a rethink of the mass extinction 250 million years ago. The rethink itself might be minor (land vs. sea timetables). The main thing to see is that each new piece added to the puzzle replaces neat theory and assumption with messy fact. Theory can no longer sustain itself by strategies such as “Darwinism is the only known theory that is in principle capable of explaining certain aspects of life. (p. 287, Blind Watchmaker, 1986)” Maybe not. Maybe after a while, no one cares how the theorists will bail themselves out of their latest mess. Meanwhile, from the Atlantic: The Chilling Regularity of Mass Extinctions Now, a pair of Read More ›

A free discussion guide to Darwin’s Doubt

Download here. Steve Meyer’s Darwin’s Doubt has been a depth marker of sorts. Money-losing Barnes & Noble and private misshelvers tried hard to keep the Cambrian explosion and other information-rich scenes from the history of life stuck in the awful, disgusting goo of the religion-and-science swamp. Yet it stayed near the top in paleontology for many months, and has garnered 700 reviews (as of about 12:25 EST). The average rating of 4.5 stars suggests that Darwin trolls are outnumbered by people who want serious answers to serious questions: — Amazon Best Sellers Rank: #10,393 in Books (See Top 100 in Books) #1 in Books > Science & Math > Evolution > Organic #4 in Books > Science & Math > Biological Read More ›

Larry Moran is a Jesus denialist

In a recent post titled, Was Jesus a real person? – see what denialism looks like, Professor Larry Moran declares that as far as he knows, “the evidence that Jesus actually existed is not strong and, even more importantly, there’s no independent evidence that he rose from the dead or performed miracles.” Moran is miffed that Dr. James F. Grath, who has a Chair in New Testament Language and Literature at Butler University, Indianapolis, accused him (and Professor Jerry Coyne) of “denialism” for rejecting mainstream historical scholarship about Jesus and voicing skepticism about whether Jesus really existed. Moran complains: “Is it ‘denialism’ to think that the Biblical Jesus — the one who performed miracles and rose from the dead — Read More ›

New findings support rethink of mass extinction?

Land and sea timing may have differed in the mass die-off 250 million years ago. Never mind theories of consciousness getting rocked, see this on the Permian extinction from ScienceDaily: New evidence gathered from the Karoo Basin in South Africa sheds light on a catastrophic extinction event that occurred more than 250 million years ago and wiped out more than 90 percent of life in Earth’s oceans and about 70 percent of animal species on land. The new evidence derives from a key volcanic ash deposit that the team discovered in rock layers, or strata, that were reported to chronicle the mass extinction. By dating the volcanic ash-bearing deposit, researchers concluded that two phases of this extinction — one on Read More ›

Leading theory of consciousness under fire

From “oddball” study? From New Scientist: Doubts are emerging about one of our leading models of consciousness. It seems that brain signals thought to reflect consciousness are also generated during unconscious activity. … Neuroscientist Anil Seth of the University of Sussex in the UK is impressed by the rigorous methods used in the study, but cautions against interpreting the P3b signal as indicative of complex cognition. “The subject isn’t doing anything that need involve complex, sustained cognitive activity,” says Seth. Still, he agrees that the study raises questions about neural correlates of consciousness. “The neural signatures of conscious processing are likely to be more complex and interesting than just a P3b,” says Seth. “[The study] is pushing us towards more Read More ›

General Relativity still beautiful, ahead of its time?

From Dan Falk at Cosmos: A century ago Einstein sweated blood to give us his mind-bending theory of gravity. As technology caught up, his predictions were verified, one by one. Now only gravitational waves remain. Yet for all its triumphs, general relativity faces a couple of big challenges. Einstein wrestled unsuccessfully with one of them: reconciling the theory with its great nemesis, quantum mechanics. Each theory has been outstanding in its own domain – relativity in the cosmos, quantum mechanics in the subatomic world. But occasionally the domains overlap. To understand the Universe’s earliest moments, as well as the insides of black holes, we still need a theory that bridges the very large and the very small. No one knows Read More ›

More tales from Darwinworld: Why hive workers kill their queens

From ScienceDaily: Among social insects, why does it pay for workers to help the queen in some situations but then also pay to kill her in others? What explains why some queens get killed and not others, and why kill her at all? One expert explored these questions, and found that by eliminating the queen, a matricidal worker frees the way for workers to lay male eggs. “Workers are assessing the situation in their colony and deciding to revolt against the queen only when the genetic makeup of the colony makes it favorable to do so,” Loope said. “The main advantage is to allow your sister workers to lay male eggs, rather than the queen, who typically stops worker reproduction Read More ›

Alternate parallel universe found. Maybe.

Maybe not: We might just have found evidence of another universe bumping into planet Earth, a scientist has very tentatively suggested. While mapping the cosmic microwave background – the light left over from the early universe – Ranga-Ram Chary found a mysterious glow. Chary, a researcher at Planck’s US data centre in California, was mapping CMB when he spotted the unexpected glow. In his paper, Spectral Variations of the Sky: Constraints on Alternate Universes, he said that while there is a 30% chance the fluctuations are nothing unusual, there is also the possibility they provide evidence of a multiverse. “It could also possibly be due to the collision of our Universe with an alternate Universe whose baryon to photon ratio Read More ›

Mutiny at Elsevier Publishing

Here at Fortune: Elsevier Mutiny: Cracks Are Widening in the Fortress of Academic Publishing The editorial staff of a research journal have resigned to protest the company’s failure to embrace open access. A prestigious academic journal has just experienced the closest thing to outright mutiny: All six editors and the entire editorial board of the well-respected linguistics journal Lingua resigned en masse last week. And the reason says a lot about the ongoing disruption taking place in the formerly sleepy world of academic publishing. … In many ways, academic publishers are going through the same kind of wrenching change that traditional media companies like newspaper and magazine publishers are. Subscription-based business models that worked for decades are coming apart at the Read More ›

Comment of the week: Physics so uncertain, biology so certain?

From bFast, appended to Baffling but undead physics results: Physicists always seem to end up with puzzles: what is dark energy, what is dark matter, what caused the big bang, how big is a proton. I love the honest puzzles that physicists bring to the table. Evolutionary biologists, however, never seem to be puzzled about nuthin’. First life? Don’t know how yet, but its not a problem. Cambrian explosion, wasn’t mutch,a and it had millions of years. Irreducible complexity? No deal, we did this experiment that produced two mutations to produce a single function — after 1/2 million years worth of evolving. HAR1F pulls off 18 mutations, no problem, millions of years. No issues, not problems, no puzzles. Its as Read More ›

Science writer scorches Jerry Coyne, doesn’t worship him

Earth still in orbit, last we heard. Recently, I (O’Leary for News) have had skeptical things to say about D. S. Wilson’s Evolution Institute’s anticipated triumphal march for “evolutionary theory” throughout all disciplines in the21st century.* That said, I came across an interesting post on the site by science writer Dan Jones (The Philosopher In The Mirror) standing up to Jerry “Why Evolution Is True” Coyne. Coyne wishes to claim that religious belief in general leads to terrorism and that those who offer a more focused inquiry are stooges. In fact, it’s easy to show that Coyne is attacking a strawman. He would have you believe that radicalisation researchers are a bunch of “self-flagellating liberals” who ignore the role of Read More ›

Baffling but undead physics results

From Nature: When a scientific result seems to show something genuinely new, subsequent experiments are supposed to either confirm it — triggering a textbook rewrite — or show it to be a measurement anomaly or experimental blunder. But some findings seem to remain forever stuck in the middle ground between light and shadow. Here’s one of the six: Diabolical proton discrepancy Given that protons are among the most common and well-studied particles in the Universe, one would expect physicists to have a solid grasp of their size. But in 2010, Randolf Pohl of the Max Planck Institute of Quantum Optics in Garching, Germany, and his team measured the radius of the proton and found it to be 4% smaller than Read More ›

Research claim that chimps learn other troupes’ language is not supported

From ScienceDaily: Chimpanzee language claims lost in translation, researchers conclude Unbelievably, some researchers tried examining one these claims instead of just accepting it and pontificating about it. The scholarship in question, published in the journal Current Biology in February, centered on the examination of two sets of chimpanzees in the Edinburgh Zoo: one that had been captive for several years in the facility and one that had recently arrived from the Beekse Bergen Safari Park in the Netherlands. Over a three-year period, the researchers claimed that the latter set had altered their sounds to those of the former set when communicating about a common object, apples, resulting in what they saw as a newly shared vocalization. … But a review Read More ›

Whoops! Why humans aren’t apes: Professor Coyne’s own goal

Over at Why Evolution Is True, Professor Jerry Coyne has written a post mocking an anthropologist for claiming that human beings aren’t apes. Not only is Coyne’s reasoning muddle-headed, but his biology is embarrassingly wrong. Heck, even I could spot his mistakes – and I’m not a scientist. The anthropologist who has had the temerity to declare that humans are not apes is Professor Jonathan Marks, who teaches biological anthropology at the University of North Carolina at Charlotte. In an article on his PopAnth blog titled, Are we apes? No, we are humans, Marks insists that we are related to apes: “indeed,” he writes, “we are closer to a chimpanzee than that chimpanzee is to an orangutan” and “we know Read More ›