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 Betreff des Beitrags: Scientists are still baffled as to what causes curly hair to
Ungelesener BeitragVerfasst: Fr 25. Feb 2022, 16:12 
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You may be curious about the factors that cause some strands of curly hair to swirl while others remain smooth, especially if you have curly hair or if you are envious of someone who has straight hair. According to a study published in the Journal of Experimental Biology in 2018, two possible explanations for this phenomenon have been proposed thus far.

The first hypothesis explains why there are more hair cells on the convex side of the hair follicle — i. e., the outside edge of the curl — and fewer on the concave side of the hair follicle — which is the inside edge of the curl — by assuming that the hair follicle is convex on one side and concave on the other. The second hypothesis explains why there are more hair cells on the convex side of the hairThe smaller number of cells on the inside of the follicle results in a shorter edge of the follicle, which causes the follicle to be pulled inwards, giving rise to the curled appearance.

Alternatively, curly hair is thought to form as a result of differences in cell lengths on the convex and concave sides of the hair strand, according to another theorySimilarly to the first theory, it is believed that the curl is caused by the relative size difference between elongated cells on the cell's exterior and compact cells on the cell's interior, which is similar to the first theoryWhen it comes to keeping mammals warm, it is believed that curly hair, rather than straight hair, is more effective than straight hair alone when it comes to maintaining body heat in mammalsIndeed, straight hairs tangled with curls serve as the last line of defense in the fight against thermal loss

AgResearch, one of New Zealand's largest corporate government research institutes, has identified the typical mammalian coat structure as that of a forest with shrubs, according to Duane Harland, study lead researcher and senior scientist at the institute. Further, he stated that the environment is comparable to that of a forest with shrubs. In order to create space near the skin, straight hairs stand up and fill in the gaps, while finer curly hairs fill in the gaps and trap air, according to Harland, who spoke with Live Science about the subject. Straight hairs stand up to create space near the skin's surface by standing up. There were some gaps in Harland's research when it came to Merino sheep curls. However, it is difficult to establish whether or not insulation played a role in the development of curly hair in certain humans. Human hair, according to Harland, is a mystery to the vast majority of people, who gave the succinct response: "No one knows anything about it."It is difficult to pin down exactly what we are because of our social aspect, as well as our ability to develop technology that replaces functions that were previously covered by biology, such as hats, making it difficult to pin down exactly what we are.

Our furry friends' hair can teach us a great deal about the origins and biology of our own follicular features, however, even if this is not the case. This is because, if we go back far enough in time, our own hair evolved from the same genetic origins as that of our furry friends' highlight wigs. The existence of mammalian hair, according to Harland, has been documented for a very long time. According to Harland, it is most likely to have evolved prior to the appearance of the dinosaurs. According to a 2016 study published in the journal Scientific Reports, therapsids were archaic mammalian relatives who, according to the study, had fur. It was discovered that these archaic mammalian relatives, therapsids, had fur, according to the same study, which examined 29 fossil skulls of archaic mammalian relatives, therapsids.

When Harland and his colleagues zoomed in on sheep wool fibers and measured the differences in the number and size of cells on the inside of a curve versus those on the outside of a curve, they found that the two hypotheses were both correct. Soon after, the team discovered evidence that refuted the theory that the number of cells is the root cause of the curled appearance of the cells.

Unfortunately, things aren't quite as simple as they appear to be on the surface. As is so often the case in science, the story does not come to a close here. Instead, it continues. Rather, it continues in its current form. In the opinion of Harland, the solution to the problem of highlight lace closure wigs has not yet been discovered. Using a microscope, he examined individual cross sections of sheep hair fibers to determine the composition of the fibers. He believes that the curvature in the hair could be the result of a twisting force; however, he believes that the results would be muddled as a result of the twisting force, which he believes is unlikely.

Even if the other theory, which suggests that the problem is with the cell numbers, is correct, it does not rule out the possibility that those cross sections were accurate representations of individual hair strands in their entirety as well. Another possibility is that the ombre hair of different animals is caused by a variety of different factors, which could include genetics.

The claimant's assertion that the situation is universal, as Harland pointed out, would be an act of arrogance on his or her part.

Therefore, he believes that there is still room for further investigation into the subject matter to be conducted. What a wonderful experience it would be if other scientists were hard at work replicating and expanding upon our discoveries. Almost certainly, they will discover that we were mistaken about something, hopefully only a few minor details, but that is the nature of scientific discovery, and discovery can never be predicted with any certainty.


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