Darwin's Point

Darwin's Point: No Evidence for Common Ancestry of Humans with Monkeys. The bump was once at the beginning discovered by way of the distinguished British sculptor Thomas Woolner, who knowledgeable Charles Darwin about it.Do you could have a Darwin's point? According to wikipedia (which refers to it as "Darwin's tubercle"), about 10% of the inhabitants has one: The feature is found in approximately 10.4% of the inhabitants. This acuminate nodule represents the point of the mammalian ear.Darwin's Point of Pain -Classification:Imagine your self a British naturalist of the early 19 th century. You belong to the greatest empire at the face of the earth, the only "on whom the sun never sets." Your military is definitely the most tough among its doable foes.In some way, this plethora of definitions is helping prove Darwin's point: The concept of a species is in the end a human assemble. With advancing DNA technology, scientists are now in a position to attract finer andDarwin's point was that whilst positive conclusions that evolution supports would possibly seem absurd in the beginning glance, the individual steps that result in those conclusions are perfectly believable. And

Darwin's Point - Weird Universe

Some other folks have a small bump at the inside of in their upper ear. This is known as "Darwin's tubercle," or "Darwin's bump," because Charles Darwin mentioned it in his e-book The Descent of Man (Darwin 1879)."We humans are not, from Darwin's point of view, special. We are in process.…We might be like the early form of the horse," a fox-sized animal moderately other from its modern descendant. Demonstrating that these arguments had been as volatile 150 years ago as they are these days, Scully distributes a cartoon from the scientist's lifetimeThe newsletter of Charles Darwin's theory of evolution is broadly celebrated as a watershed moment in the historical past of science. Find out from this Encyclopedia Britannica Science checklist which parts of his initial principle have been right and which didn't rather hit the mark."Darwin's point": A not unusual ancestry fantasy that can't just die. Posted on October 6, 2017 Author News Comments(2) Spread the love. dbenBenn, Ueberbach/GNU. From Günter Bechly at Evolution News & Views: In a contemporary put up for Evolution News, we discussed vestigial buildings as alleged proof for evolution (Chaffee 2017). As an

Darwin's Point - Weird Universe

(DOC) What was Charles Darwin's Point of Pain? | Raymond

Darwin's point is located within the majority of mammals, and people are no exception. It is in all probability used to assist focus sounds in animals, nevertheless it no longer has a function in people.Evolution. FIGURE NO. 23 DARWIN'S POINT IN MAN'S EAR The upper determine shows at P what is named "Darwin's point" at the pinna or ear-trumpet of some males. It is the unique tip of the ear and corresponds to the top in odd mammals, shown as at p within the fox under.Darwin's Point? VNO? Tail? What vestigial organs do you will have? Honu-Girl sent me this article and stated she had a Darwin's point, but you can't really see it.This lead to a few questioning about how giant would the bump be prior to one would need it got rid of for beauty reasons. I have a difficult time picturing a bump on an ear that might make me need surgical operation.4) Darwin's Point Around 1 / 4 of the inhabitants has a small bump on the higher fringe of the ear, known as Darwin's Point, after its description in naturalist Charles Darwin 's guide onDarwin's tubercle is a vestigial feature that used to be first documented via Thomas Woolner within the 1800s and delivered to the public attention by Charles Darwin. The roles of environmental and genetic elements in its development remain unclear, and it is a benign lesion that doesn't appear to have important medical sequelae.

Darwin’s Point: No Evidence for Common Ancestry of Humans with Monkeys

In a recent submit for Evolution News, we discussed vestigial constructions as alleged evidence for evolution (Chaffee 2017). As an illustration, the article featured an image of the auricular tubercles or “Darwin’s ear issues,” a bump-like thickening at the helix of the auricle (exterior ear) of many of us this is steadily claimed to be an atavistic vestige of the sharp ear tip found in monkeys. Evolutionists say the characteristic proves a shared ancestry of humans with decrease primates.

The bump was at the start discovered by way of the prestigious British sculptor Thomas Woolner, who knowledgeable Charles Darwin about it. In The Descent of Man, Darwin (1871:15-17) cited this construction as probable evidence for not unusual ancestry of humans and monkeys. However, at the similar time there were already printed doubts about this interpretation (Meyer 1871), mainly on account of the variability in people.

Nevertheless, the claim that Darwin’s tubercle is an atavistic structure remains to be incessantly heard as of late. Martin Nickels (1998), an anthropologist at Illinois State University, offered Darwin’s tubercle among his “Twelve Lines of Evidence for the Evolution of Humans & Other Primates,” which was featured at the Talk Origins web site and published within the 1998 Creation-Evolution factor of the Reports of the National Center for Science Education. In the Wikipedia articles on “Vestigiality” and “Human Vestigiality,” the tubercle is mentioned as one example of vestigial constructions. Many common blogs listing this feature as robust evidence for human evolution. Here are two examples:

In “WEIT: Human Vestigiality & Atavisms” (March 19, 2011), at the atheist weblog Reflections from the Other Side: Leaving Christianity and Embracing Skepticism, the creator refers to Jerry Coyne’s book Why Evolution Is True:

I want to add one atavistic function that Coyne doesn’t point out: a tiny, nearly imperceptible point on the outer rim of the ear referred to as Darwin’s tubercle. Only 10% of the inhabitants has it, however I’m fortunate sufficient to be part of that statistic. Darwin’s tubercle demonstrates our commonplace ancestry with other primates, that have considerably more prominent pointed ears, perhaps to assist funnel sound into the auditory canal. Below is my ear, a macaque’s ear and an example representation from Darwin’s The Descent of Man.

It’s each startling and engaging to realize that I raise tangible, visual evidence for evolution with me anywhere I go. And not at all is this connection to the past is one thing to feel embarrassment about. On the contrary, to bear such tokens of our historical past just serves as a reminder of the way a ways our species has come.

In “I Have Primitive Ears” (April 28, 2012), at the weblog Rosa Rubicondior: Religion, science and politics from a centre-left atheist humanist. The blog spiritual frauds tell lies about, any other author observes;

I’m now not one to boast, but I've primitive ears. I've this type of ears of which my far off ancestors might were proud, if they had had the cognitive talent to be proud.

I have Darwin’s Tubercles … It is a vestige of the ear point discovered in many simians and, probably, in our not unusual ancestors.

These are pretty sturdy claims, from the standard suspects. Yet there are two issues that display Darwin’s tubercles constitute an example of evolutionary myth-making.

The first downside, a minor one, considerations a failed prediction. If Darwin’s tubercle were a homologue and an atavistic remnant of the pointy ears of monkeys, we should anticipate finding this construction in different apes, too, and particularly in chimpanzees. The latter, after all, are claimed to be our closest family, and feature rounded exterior ears similar to humans. According to non-public information from British zoologist Edwin Ray Lankester, Darwin (1871:15) certainly in brief mentioned that a chimp from the Zoological Garden at Hamburg did possess this selection. Of course, such doubtful rumour does now not qualify as scientific proof. Indeed, in their fresh comprehensive literature evaluate about Darwins’s tubercle, Loh & Cohen (2016) did not mention any file from apes. Likewise, I may not to find any descriptions or pictures anyplace in literature or online that document a chimp ear with a Darwin’s tubercle. All available pictures of chimp ears don't show anything like a Darwin’s tubercle. So the evolutionary prediction appears to be refuted or a minimum of extremely doubtful, at least until confirmed differently.

Darwin, in his fervor to give evidence for evolution, can not always be relied on. This may be shown by way of the case of his figure (Darwin 1871: fig. 3) of an alleged orangutan fetus that includes a pointy ear not like that of grownup apes. Darwin regarded as this one of those ontogenetic recapitulation of evolution. However, the declare is solely false, as Ankel-Simons (2010: 433) mentions:

Schultz (1965, 1969) states that the pointed ear of an “orangutan foetus” that was pictured and described through Darwin (1871) was once led to through a deformation of that specific fetus, which Schultz used to be able to inspect. … Moreover, in Schultz’s judgment, the particular fetus is that of a gibbon and now not of an orangutan.

The 2nd problem is much more damaging to the atavism speculation. Pointed ear tips are a characteristic in many monkey species. It is found in all individuals of the involved species and always symmetrically provide on both ears in both sexes. This strongly suggests that the structure is genetically primarily based and inherited. However, in people, the characteristic displays nice variability and happens, for instance, in most effective 10 % of Spanish adults, Forty percent of Indian adults, and Fifty eight p.c of Swedish school youngsters. Some people most effective have this tubercle on one ear. In half of the pairs of equivalent twins that had been studied, only one of the crucial twins had the ear bumps (Quelprud 1936).

Because of this proof, and based totally as smartly on two genetic research, McDonald (2011) concluded in an editorial about what he referred to as the “fantasy” of Darwin’s tubercle:

The circle of relatives and dual studies strongly indicate that Darwin’s tubercle isn't decided by way of a single gene with two alleles, and there may be very little genetic affect at the trait at all. You should now not use Darwin’s tubercle to display elementary genetics.

But if those ear bumps haven't any genetic motive, but instead constitute environmentally induced developmental injuries, they simply can't be regarded as atavistic buildings. There is not any proof right here of commonplace ancestry of humans and monkeys!

Ankel-Simons (2010: 433) thus writes in his usual textbook on Primate Anatomy:

This point of the ear auricle has gone into herbal historical past lore as “tuberculum Darwini” or “Darwin’s point.” It continues to be appeared by many as an atavism in people, where the point is in fact infrequently found. Many human anatomy texts compare the “auricular tubercle of Darwin” with the pointed ears of “grownup monkeys.” Lasinsky, however, presentations that the 2 constructions have nothing in common. The auricular tubercle of Darwin has had a slightly exaggerated revival within the very pointed ears of alien “Vulcans” who evolved from the fantasy of the creators of Star Trek and Star Trek: The Next Generation.

So we will be able to safely conclude that Darwin’s tubercle must be added to the ever-growing listing of what Jonathan Wells calls Icons of Evolution (Wells 2000). Rather than trendy science, they're debunked science fiction. But as Wells (2017) has also proven, such Zombie Science is hard to kill. It all the time creeps back from some darkish corner of the Internet.

Yet we will have to upload that there is a much more basic drawback weighing against vestigiality as proof for evolution and not unusual ancestry.

Critics of evolution often consult with the invention of serve as for allegedly vestigial organs, such because the human appendix, tonsils, and coccyx, or the tiny pelvic bones in whales (Klinghoffer 2014). The critics argue that such “vestigial” organs are equally appropriate with the design hypothesis. Evolutionists, in the meantime, typically respond by means of emphasizing that vestigiality does no longer suggest absence of any function. Instead, it is recurrently outlined as “the retention all the way through the process of evolution of genetically decided structures or attributes that experience lost some or all in their ancestral function in a given species” (Wikipedia, “Vestigiality”).

However, if the entire or partial absence of function is specific most effective to an assumed ancestral function, then not unusual ancestry is itself assumed in the definition of the concept that of vestigiality. The result's that vestigiality cannot be used as proof for common ancestry without committing the logical fallacy of begging the question, or circular reasoning.

Alternatively, some evolutionists say that in vestigial organs, homology and not functionality is the a very powerful issue. However, this creates the similar drawback, on a special degree. Just like vestigiality, the idea that of homology presupposes not unusual ancestry and due to this fact cannot be used to end up it. (See Wikipedia, “Homology”: “In biology, homology is the life of shared ancestry between a pair of buildings, or genes, in several taxa.”) The presumption of not unusual ancestry is not non-compulsory for homology, as a result of with out the perception of commonplace ancestry one could now not distinguish homologous similarities from convergent similarities.

Consequently, huge parts of the allegedly strongest evidence for evolution from comparative morphology indeed are invalid and in keeping with logically fallacious reasoning.

Literature:

Ankel-Simons F 2010. Primate Anatomy: An Introduction. Academic Press, Cambridge, 752 pp. Chaffee S 2017. “Theology in Biology Class: Vestigial Structures as Evidence for Evolution.” Evolution News, September 21, 2017. Darwin C 1871. Chap. I. Rudiments. p. 15 in: The Descent of Man and Selection in Relation to Sex. John Murray, London. Klinghoffer D 2014. “Now It’s Whale Hips: Another Icon of Darwinian Evolution, Vestigial Structures, Takes a Hit.” Evolution News, September 15, 2014. Lasinsky W 1960. Äußeres Ohr. pp. 41–Seventy four in: Hofer HO, Schultz AH, Starck D (eds). Primatologia, Handbook of Primatology Vol. II. Karger, Basel. Loh TY, Cohen PR 2016. “Darwin’s Tubercle: Review of a Unique Congenital Anomaly.” Dermatology and Therapy 6(2): 143–149, DOI: 10.1007/s13555-016-0109-6. McDonald JH 2011. “Darwin’s tubercle: The delusion.” pp. 26–27 in: Myths of Human Genetics. Sparky House Publishing, Baltimore. Meyer L 1871. Ueber das Darwin’sche Spitzohr. Archiv für pathologische Anatomie und Physiologie und für klinische Medicin 53(2-3): 485–492. Nickles M 1998. “Humans as a Case Study for theEvidence of Evolution.” Reports of the National Center for Science Education 18(5): 24–27 (also on-line as ENSI-article, “Twelve Lines of Evidence for the Evolution of Humans & Other Primates”). Quelprud T 1936. Zur Erblichkeit des Darwinschen Höckerchens. Zeitschrift für Morphologie und Anthropologie34: 343–363. Wells J 2000. Icons of Evolution: Science or Myth? Regnery Publishing, Washington, D.C., 362 pp. Wells J 2017. Zombie Science. More Icons of Evolution. Discovery Institute Press, Seattle, 238 pp. Wikipedia. “Darwin’s tubercle.”

Images: Darwin’s point, by way of Wikicommons; chimp’s ear, by the use of Wikicommons; younger chimp, profile, through @Doug88888 by the use of Flickr; “Foetus of an Orang,” via Wikicommons.

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