discovered

Science has discovered what is the best time of day to be more concentrated and T0mar better decisions: at noon

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As with the muscles, the brain offers its best version the more rested it is. For that reason, the experts recommend Identify the most productivity hours According to the chronotype of each person to carry out the most demanding activities and tasks at that time and have a better cognitive performance. Recent studies have revealed that fatigue affects remarkably when it comes to being more productive and even in decision making. Understanding this relationship helps to better plan schedules and improve performance. An example: Jeff Bezos never program meetings Beyond five in the afternoon Because doing so would imply raising the risk of making erroneous decisions. The moment of higher performance: noon. A study carried out by researchers from the universities of Messina and Bologna (Italy) analyzed more than 104,000 oral exams and found clear patterns at the time of the day when the students had more likely to approvehighlighting a peak that was not related to the difficulty of the exam but to the time in which the exam was taken. The researchers found that the global approved rate was 57%. However, the chart of probabilities to approve drew a bell shape, reaching its maximum point in the hours near noon, especially between 11:00 and 1:00 p.m. In comparison, the approved rates were remarkably lower early in the morning (between 8:00 and 9:00 hours) and the first hour of the afternoon (between 3:00 p.m. and 4:00 p.m.) without finding outstanding differences between those two moments. Without realizing it, we lose capabilities. To rule out that the downturn registered by the students at noon is conditioned by Knowledge of the subject of the examThe researchers also studied the behavior of teachers. The results of both groups led to the same conclusion: both students and evaluators experienced changes in their mental state and fatigue levels in the same time strip. This could contribute to the afternoon of the approval rate in exams is lower, since both the evaluator and the examinee are more fatigued and the teachers become more irascible and intolerant due to tiredness. If it’s 16:00, you’re guilty. The same conclusions arrived A group of researchers of the University of Columbia and the Ben Gurion University of the Neguev on the importance of the schedule in which judicial sentences and the increase in the severity of judicial decisions are issued. The investigators analyzed the behavior of several judges during the day and found that the favorable sentences to the defendants reached their peak as the pause to eat was approaching, reaching up to 70%. However, as the early hours of the afternoon progressed and the judges approached the next recess, this percentage progressively decreased to almost 0% by increasing the hardness of the sentences imposed. The “Baba” after the meal. This pattern suggests that our brain works best in mid -morning, and maintains that performance until eating. The explanation is found in the combination of biological factors such as Circadian rhythmswhich regulates energy and alert states during the day releasing more or less melatonin to the body to induce sleep state or activate alert and attention mechanisms. Researchers hypothesize that cognitive function continues This time curve naturallyimproving until noon and decreasing after eating, which coincides with the feeling of support after food. After lunch, there is a small increase in melatonin that can cause drowsiness and lower performance. Revitalizing naps. According to The published by Harvard Health Publishinga short nap after eating can improve the concentration and alert state if it lasts between 10 and 30 minutes. According to research in this regard, this type of naps increase the alert by more than 50% and competition by more than 30% compared to those who do not. However, the duration is key, and sleep more than the account It can be counterproductive. The study analyzed the behavior of Mediterranean adults and observed that making a short nap of less than 30 minutes is associated with a lower probability of high blood pressure (21%), while long naps (more than 30 minutes) are linked to the highest metabolic and cardiovascular risk (41%), as well as the higher perimeter of waist and blood glucose. Therefore, a brief nap after food, contributes to energy and maintaining mental acuity in the afternoon. In Xataka | Some neuroscientists believe they have found the trick to solve the most complicated problems: take a nap Image | Unspash (Sinitta Leunen)

The danger of using AI chatbots for everything is real: MIT has discovered the “cognitive debt”

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A MIT study He has shown that chatgpt and similar tools generate what they call “cognitive debt”: students who resort to them for total use end up writing better, but thinking worse. Why is it important. The study contradicts the belief that AI is like a calculator: a simple support that frees us for more complex reasoning. Actually, these tools can atrophy the brain connections that build critical thinking. The facts. 54 university students have spent months writing essays, divided into three groups: Grupo LLM, which used Chatgpt. Search motor group, which used Google. And group Solo-Cerebro, without external tools. The researchers measured their neuronal activity with electroencephalograms and the results have been overwhelming: those who used a neuronal connectivity systematically lower in all frequency bands. Compared to the group that only used its brain, there was a lower activation in key networks that connect parietal, temporal and frontal regions, fundamental for attention, memory and semantic processing. In Xataka 81% of interviewers suspected the traps with AI in interviews: 31% have confirmed it without a doubt and they have put a brake The contrast. The essays generated with AI received better notes, both from teachers and evaluating algorithms. But their authors remembered worse what they had written minutes before and felt a minor authorship about their texts. When they forced the usual users to write without help, their brain patterns showed that dependence on external support. They had lost ability to reactivate the necessary neural networks to write independently. How to walk without support after years doing it with crutches. Yes, but. The students who learned to write without ia and then used it for the first time maintained their engagement neuronal They even showed better memory and reactivation of broad brain areas. The key difference: You need to know how to think before you can think with machines. In perspective. This pattern replicates what we see in other professions: The subway driver who feels alienated because the train drives alone. Translators turned into machine editors. 3D creatives that only retouch what the AI ​​generates. {“Videid”: “X9R6K72”, “Autoplay”: False, “Title”: “Chatgpt Pulse”, “Tag”: “Technology”, “Duration”: “67”} The threat. The study also analyzed university students who already had developed writing skills. The effects could be more severe in adolescents who are still building these cognitive abilities. As a Dartmouth teacher said: we run the risk of creating “an educated generation with AI shortcuts” that lacks independent thinking skills. And now what. The sequence matters more than technology. First, you learn to think. Then, you learn to think with machines. The brain needs to build those Neuronal highways before being able to delegate selectively in AI. The study concludes that educational interventions should “combine the assistance of AI tools with learning phases without tools” to optimize both immediate skill and long -term neuronal development. Outstanding image | Xataka In Xataka |What happens if the software doesn’t matter when you are the largest company in the software world (Function () {Window._js_modules = Window._js_modules || {}; var headelement = document.getelegsbytagname (‘head’) (0); if (_js_modules.instagram) {var instagramscript = Document.Createlement (‘script’); }}) (); – The news The danger of using AI chatbots for everything is real: MIT has discovered the “cognitive debt” It was originally posted in Xataka by Javier Lacort .

A German Fire team was blindly trusted in its diesel trucks. They discovered that the electric were better

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“We cannot trust experiments in an emergency.” It was, without any doubt, the most repeated phrase in the fire department of the Garching Campus of the Technical University of Munich (TUM) when they considered replacing their diesel trucks with electric. At least, that’s what they assure from the University itself. The phrase was repeated to satiety by their own firefighters during internal surveys. The rejection was widespread for the delicate of the matter: to change the reliability of their diesel trucks for a technology with which many of them had not had contact. The most repeated doubts, collect the companions of Motorpasionwere their load times, the reliability of trucks and even safety during operations. All these concerns seem to have disappeared. And, for those who have not disappeared, there is an expected security network. No, autonomy is not a problem either A year later, everyone seems to be delighted with change. The Fire Park now uses a 66 kWh capacity battery, engines that generate 490 hp and, the small trick, an autonomy extensor that is put into a marking with a six online cylinders that generates another 301 hp diesel. Regarding your capacity techniqueIt has a 2,000 -liter water tank and another 125 liters of Igniphuga foam and, despite being electric, a half -meter Vadeo capacity. That is, at the technical level, there is no substantial difference between an electric truck and a traditional diesel. We said the little trick is in that diesel generator. And it is that the truck is, in reality, an electric of extended autonomy that allows it to have a safety network. This type of vehicles are designed to be used as almost always electric and the combustion engine is nothing more than an emergency solution. In fact, they are usually engines that are used as an electric generator, producing electricity to a battery that feeds the engines. The solution is very widespread in China And, in fact, brands like Hyundai either Mazda They have cars that apply this technology. In the case of an electric firefighter truck, the solution does not go so through the autonomy available to travel (in a city they should be short distances) but to “skip” the load of the truck in case of requiring several interventions in a short time. Because, at the level of interventions, according to your data only 3% They need to turn on the diesel engine to be able to supply energy to the water pump. This, obviously, needs to pull the vehicle’s energy but is not until after half an hour when the battery is exhausted and need to turn on the diesel propeller. “In more than 97% of operations it is not necessary”, They emphasize. Saved that first and important stumbling block, from the fire team seem to be delighted with the new vehicle. They point out that without engine noise they can communicate better between them, both to speak directly and to understand what is being said on the radio. In its article, the German University emphasizes that it is a clear improvement within the vehicle but also for those who work outside it. “This allows us to communicate much better among us, which is great. You can also understand the radio and your colleagues without any problem, so you do not have to continue asking questions, a great gain in safety and comfort.” From the Fire Department they say that “our experience shows that electric mobility works for the Fire Department. I hope that many more fire departments follow their example. In any case, there is a lot of interest: we regularly receive consultations about our experiences.” The next step, they say, will be to install solar panels to load the trucks. Photo | Technical University of Munich (Tum) and Jai Heike In Xataka | Turn off electric cars, according to firefighters: self -colombing, twice water and triggered temperatures

We knew that coffee was good for health, but now we have discovered that it is a great ally of our microbiota

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For years, coffee has not been too well considered. It depends on the place and the historical momentbut the culprit was not so much coffee itself … as caffeine. Although the evidence has managed to deny them, there is still A lot of myths about caffeine and its effects. But something that is also making clear research is beneficial effect of coffee on the body. It depends on the type of tan, of course. And one of the studies More recent links coffee with the intestinal microbiota. Directly, it favors the Bacteria growth in our body. And it is something that fulfills a vital function. The community Microbial of coffee. As we say, different studies on coffee allow you to have discovered your beneficial effects on cardiovascular diseasesthe diabetes or your Effect on the kidneys. In parallel, a relationship between coffee intake had been observed with the increase of certain intestinal bacteria, but the studies were on a small scale. Now, in Nature Microbiology he has Posted a study in which the genomic sequence of the intestinal microorganisms of more than 22,000 people in the United Kingdom and the United States was investigated. They have discovered that coffee drinkers had a different microbiota, with intestinal bacteria such as Lawsonibacter asaccharolyticus Eight times more abundant in the microbiota of coffee drinkers than in those who do not ingest this food. And what does that imply. It is not limited to that bacteria, since increases in irmicutes, actinobacteria, actinobacteria were also observed, PREVETELLA, Faecalibacterium and Bifidobacterium, All of them linked to beneficial metabolic effects, such as greater production of short chain fatty acids. What this means is that, thanks to its polyphenols and the soluble fiber it contains, coffee produces some Prebiotic effects that have a direct influence on beneficial bacterial growth. Before I said that it is something that fulfills a vital function, and in this case it is not an exaggeration. Intestinal microbiome bacteria They fulfill functions such as facilitating digestion, strengthening the immune system, regulating inflammation or protecting against pathogens and diseases. Very direct effects of this includes the production of vitamins and enzymes that are not obtained from food, facilitating Digestion of compounds as fiber and starch or Immune system regulation to distinguish between harmful and benign organisms. Four cups. Tim Spector is one of the experts who has supervised the article and, as my colleagues from Straight to the palatethe amount of optimal coffee would be between two and four cups a day. It all depends on the organism of each one and tolerance, but something interesting is that we not only obtain those benefits for the microbiota, but also a a large amount of fiber. Specifically, 1.5 grams of fiber for each cup of Filtrated coffee (There are many ways to prepare it, but filtered or infused is one of those that allows to extract more nutrients), and it is an amount similar to what would be obtained when eating a tangerine And the caffeine, what. And this of the tolerance that each one has to coffee is important because there is a “Limit” in the amount of caffeine That we can take up to be in the healthy segment, but it depends a lot on each person. The good thing is that these positive effects on microbiota have been reported both in the ‘normal’ coffee and in the decaffeinated. If milk is addedIn addition, the amount of polyphenols may slightly decrease, but the balance is still positive. What should not be added is sugarsince there we would be doing more bad than good. But if decaffeinated coffee is consumed, you should have an eye on how the process has been performed. Not all decaffeinated coffees are the same because there are several ways to eliminate (which is not completely eliminated, but is considerably reduced) caffeine, and Not all are equally healthy. To the point that some methods They are under the radar of organizations such as the US FDA. Image | Justin Bhalla In Xataka | There are more and more studies that link coffee with living more. And it is very easy to put the leg when preparing that ‘philosopher’ coffee

Scientists have folded salty ice and discovered that it behaves like an electric generator

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When we think of ice and salt, it is normal to imagine a road in the middle of winter: the accumulated snow on the asphalt, the trucks spreading salt in a hurry and the neighbors trying not to slip on the icy sidewalks. It is a typical scene in the north or in the mountain areas, where winter turns the landscape into postcard, but also a daily challenge for those who have to move between cut roads or pedestrian crossings turned into traps. What we usually see how a simple help against ice on roads, can actually hide an energy potential. A team from the University of Xi’an Jiaotong, in collaboration with ICN2 and Stony Brook University, has managed to try it in the laboratory. A discovery with “taste” to salt. A pinch of salt for a material to deform, produce electricity. This phenomenon has a name and is called flexoelectricity. It had already been observed in moving glaciers or in ice plates under pressure, but never with results as powerful as those achieved in this study. According to the studythe team frozen water with different concentrations of common salt (NaCl) and created ice blocks in several ways: cones, beams and plates. Then they applied flexion tests – check the ice on two supports and exert pressure from above – and measured the electricity generated. The result was surprising: salty ice generated up to 1,000 times more electric charge than pure ice. The key ingredient. But how can salt enhance something as inert as ice? The answer is in the salted water microchannels that are trapped between the crystals. As the ICN2 press release detailssalt prevents ice from freezing. When folding, water and salt ions move from compressed areas to the stretched, generating an electric charge flow, what scientists call a “Current streaming”(Drag current). In practical terms, the effect is so strong that experimental devices reached values ​​comparable to the best piezoelectric materials used today in the industry, According to research. Depend on ice. At first glance, this technology could have applications in extreme environments, such as scientific stations in polar regions, where installing conventional energy infrastructures is very difficult. The finding contrasts with reality. Since 2000, glaciers have lost 273,000 million tons of water annually, According to ESA. That is equivalent to the consumption of the entire world population for three decades. The setback is already translates into a loss of 5% of the global ice volume, with visible consequences: increased sea level and less availability of fresh water in rivers such as Ebro. Thus, to talk about ice as an energy resource raises an uncomfortable paradox: depending on something that melts increasingly faster. That’s not all. Beyond the environmental dilemmas, the study itself recognizes that there is still much to solve. As they point out in Techxploresalty ice devices suffer mechanical fatigue: after many flexion cycles, their ability to generate energy can fall to 80%. In addition, much of energy is lost in the form of heat, which makes efficiency still lower than that of commercial piezoelectric devices. The look is wide. Even so, the finding opens a fascinating door. “Its advantages – abundance, sustainability and low cost – make it a promising candidate for clean technologies,” Underline the ICN2. And researchers believe that the model is not limited to ice: it could be applied to other porous solids containing fluids inside. The paradox, however, persists: while science explores how to take advantage of the hidden energy on ice, climate change melts at an alarming pace. Perhaps this discovery not only serves to think about new technologies, but also to remember the value of a resource that is disappearing. Image | Photo by POT ON Unspash and Freepik Xataka | A Microsoft Data Center in Mexico collided with the reality of the electricity network. Your solution: use gas generators

Chinese researchers believe they have discovered a simple “trick” to lose weight: eat raw vegetables

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For decades, scientists have discussed the effects of vegan and ovo -vegetarian diets on weight loss and heart disease prevention. Without much success, really. Not because The clues in favor have not accumulatedbut because something was missing. A common link, a thread that organized all that scientific evidence and gave meaning. In recent years, a team of doctors from the Qilu Hospital of the University of Shandong He thinks he found That piece that was missing. And it’s an important piece. Above all, because obesity is becoming The great epidemic of the 21st century. 1.9 billion overweight peoplesome 600 million people with obesity and up. Something that would not be a problem if it wasn’t because, like They wrote Yani Xu and his team in their research, “obesity and its associated complications not only lead to an increase in morbidity and mortality, but also to a reduction in quality of life.” Finding simple weight loss strategies goes beyond aesthetics or fashion: it is an investment in quality of life. But did not solve Ozempic? It is true that the arrival of Ozempic (and the rest of New agonist medications from LPG-1) has radically changed our way of seeing overweight: as Antonio Ortiz said, these medications are helping us understand that Metabolism and appetite are biological facts, not moral elections. Biological facts that, as we see, bring huge social consequences. Plan b. Therefore, although the “new ozempics” are being revolutionary, they are far from being the solution to all our problems. Not only is these very expensive medications (and obesity shows a clear correlation with greater rates of poverty and precariousness economic); They are not substitutes for healthier and more balanced habits. That’s where Yani Xu and his team enter. In search of lost evidence. Tracking in the previous bibliography, Chinese researchers found 24 studies that followed more than 2,000 people. They were quite quality studies (randomized clinical trials) and that has allowed them to conclude that there was a detail that showed very strong links with a lower risk of obesity and heart problems: raw vegetables. In fact, this is true even when they eliminated the effect of genetic factors from the equation. Something not too common and, therefore, very interesting. “The vegetarian diet is a viable option for people who wish to control their body weight and (prevent) metabolic diseases,” They explain. How is it possible? The researchers They shuffle some ideas: From its high content of phytosterols and fatty fats to its role in reducing inflammation and oxidative stress. However, it is not too clear: we have a statistical explanation, but we still lack a mechanism of action. We may have solved one of the big problems when establishing a clear relationship between weight loss and veganism, but not at all. However, with the data that Let’s have on the tableit seems that the idea of ​​progressively increasing the weight of vegetables (and raw vegetables) seems like a positive strategy. More positive than we thought. Image | Elena Mozhvilo In Xataka | Ozempic to lose weight: its effects and risks beyond controversy, according to science *An earlier version of this article was published in September 2024

Germany has discovered that a teacher saved a million euros. And what did he do as he was on 16 years

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The OECD He placed Germany in front of a mirror: that of the country developed where less hours work a year. Behind the figures (just 1,331 hours per year) There was a culture broth marked by economic deterioration and a nation that moves between two poles: lengthening the days or valuing life more outside of work. And in between, scandals that have reinforced the perception that labor laxity is unsustainable. The case of a low teacher since 2009 has lit the debate. An unusual case. In Wesel, North-Westphalia Rhine Since 2009sixteen years without reincorporating his post, but fully charging his salary, which over 16 years added around one million euros (between 5,000 and 6,000 euros per month). During all that time he presented monthly medical certificates, although he was never required an official recognition to accredit his status. The anomaly came to light when, after years of bureaucratic inertia, a new official detected irregularity In 2024 and ordered the medical review. When he was finally asked to undergo a medical examination, the teacher responded demanding her employer, claiming violation of rights, as she had done before in front of an attempt to transfer in 2017, but this time she lost the litigation. The Ministry of Education of Renania del Norte-Westfalia has described The issue of “serious failure within the Bezirksregierung of Düsseldorf” and has promised a “concessions” review of all internal procedures. Implications The teacher’s official granted her Extraordinary protectionincluding the right to leave indefinite with full salary, provided that it was properly accredited. However, local reports suggest that during their prolonged absence he reached Found a company Medical and exercising as a naturopath, activities that, if confirmed, would violate the obligations of prior notification and prohibition of parallel works during a decline. Not just that. He came to participate in entrepreneurship competitions, getting to obtain A 5,000 euros award for a cream of your invention. According to the labor lawyer Ralf DelgmannNot only infringed the regulations that require prior authorization for any secondary work, but would have done it while perceiving a medical leave, which feeds the suspicion that he was never really incapacitated. This could cost his pension, salary and even the condition of official. Even so, jurists warn That retrospectively demonstrating the absence of disease is practically impossible, so the recovery of wages already perceived is unlikely. A symptom of a major problem. The scandal, airy by the German presshas raised a debate about the rigidity and at the same time the vulnerability of the official statute. While private employees go on to collect reduced benefits After six weeks, officials keep the salary even for years, provided there is effective control. The case demonstrates how a Supervision vacuum prolonged allowed an anomaly to be consolidated for almost two decades. Although the Ministry insists that it is not a systemic problem, but about punctual negligence, public opinion perceive that confidence in the public function is committed by episodes of abuse like this. A long process. The media in Germany tell that the newly opened disciplinary procedure can Extend three or four yearstime during which both the actions of the teacher and the omissions of her administrative superiors will be investigated. Beyond its individual outcome, the case has become a symbol of control deficiencies in German administration, evidencing how a single poorly managed file can erode the credibility of an entire system. Plus: Beyond the judicial outcome, what remains in evidence is the urgency of rethink a casualty model That, in his eagerness to shield officials, he opens the door to abuses that end up being paid by society as a whole. Image | Pxhere In Xataka | The myth says that Germans work more than the Spaniards. The data tell a different thing In Xataka | Some researchers have analyzed the working day in Spain: the same thing that 40 years ago is worked, but in worse jobs

A man paid $ 23 for a PC box at an auction. Discovered inside a 24 -core CPU and an RTX 3080 ti

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Online auctions are full of unexpected opportunities, but few stories surprise as much as this. Imagine to enter a local second -hand platform with the idea of ​​getting a simple computer box. You don’t look for anything spectacular, Only a wide chassis for future projectssomething functional and cheap. You make a low, almost symbolic bid, and you don’t expect more than a basic article wrapped in cardboard. However, when picking it up, something does not fit: it weighs more than expected, it sounds different, and what seemed like a routine purchase becomes the beginning of an anecdote that sweeps Reddit. The story was known through Redditwhere the buyer published the discovery in R/PcMasterrace. According to images published by “Llamasusgame”, the box was not empty or contained old pieces, but a complete high -end computer. In his photos you can see a TRX40 aorus pro wifi motherboard with an AMD Ryzen Threadripper 3960X processor of 24 cores, accompanied by 256 GB of RAM and a graphics card NVIDIA GEFORCE RTX 3080 TI. Although the interior shows accumulated dust, the screenshot shared by the user indicates that the system works and recognizes all the hardware. When a cheap bid becomes treasure Operation data are available on the City online Auccans website, Where the lot remains published. It is number 123 and describes a box Fractal Design defines 7 xlwith price of $ 317.99. The final bid was $ 23.50 plus commission, according to the official file. The images associated with the ad barely showed the box inside a cardboard and a catalog photo, without giving clues of its real content. The contrast between the paid price and the real value of the components is striking. According to AMD and NVIDIA launch prices, only the Ryzen Threadripper 3960x processor It was originally sold for $ 1,399while the RTX 3080 TI exceeded $ 1,100 at its departure in 2022. Even with current depreciation, the complete set can reach several thousand dollars in the second -hand market, especially for the large amount of RAM. The announcement of capital City Online Auccans included clear warnings: all articles were sold “AS-IS, without guarantee, or possibility of return. He also insisted in what The bids should be based on the written description And not in the images, which could be filed. The collection was only face -to -face, without shipping option, and the regulations of the site establishes that any dispute must be resolved by arbitration in Ohio. The case raises an interesting issue: how far does the responsibility of a buyer get in such a situation? The user paid what the bid indicated and collected the article according to the standards, so no rule of the auction has breached. However, some commentators in Reddit wonder if he should have warned the company to correct what seems like a cataloging error. The capital policy online Auctions makes it clear that sales are definitive, but the ethical debate is still open: take advantage of luck or return the finding? The purchase of this PC box recalls that at online auctions there is always a risk and surprise component. In this case, the buyer obtained a high -level team For the price of a piece of chassis. Beyond the blow of luck, the story underlines the importance of reading the small print and reviewing the lots before any movement. Images | Calladeusgame (reddit) | Capital City Online Auccans In Xataka | In the Tiktok era, our laptops are still horizontal. Lenovo’s idea: a rotating panel

We believed that the iPhone 17 and the Air shone by cameras and design. We have just discovered that they hide an exclusive security function

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For a long time we have lived with the illusion that there are impenetrable computer systems. The reality is less resounding: in security, everything is reduced to how much effort, time and resources it requires to force a lock. Just as it is not the same to open the door of the house as the vault of a bank, in the digital world There are more or less resistant barriers and unexpected shortcuts that avoid brute force. The objective of the defense is not perfection, but to raise the toll to break it is impracticable. From there, the risk never disappears, it is managed. With that practical look, Apple has been adding layers to make every step of the attacker more and reduce its maneuvering margin. According to the Cupertino companythe most sophisticated exploitation chains that have observed against iOS come from the mercenary spyware and rely on memory vulnerabilities. Although they do not explicitly mention it, they surely refer to threats such as Pegasus of the company NSO. And the answer they have raised is a new piece in that wall: a reinforcement that integrates hardware and system to monitor the integrity of memory and cut overwhelms or undue accesses before they thrive. Memory Integrity Enforcement on iPhone 17 and iPhone Air Apple has presented Memory Integrity Enforcement (Mie) as part of the new iPhone 17, iPhone 17 Pro and Pro Max and iPhone Airan integrated memory defense directly in its hardware and operating system. This development is the result of five years of joint work among their teams of Chips and Software Engineeringwith the aim of drastically raising the cost and complexity of attacks based on memory corruption. Mie promises to act continuously and transparently, covering critical areas such as kernel and more than 70 processes in user space, all this without compromising energy consumption and device performance. The Miene nucleus combines several layers that work in a coordinated manner to reinforce security. The typated memory assigners are systems that organize the data according to their type, as if each object class had a specific drawer. This organization makes it more difficult than an error in a program allows one data to overwrite another. If a failure occurs, the system can detect it before it becomes an attack. On this basis acts the Enhanced Memory Tagging Extension (EMTE), a hardware technology that adds an extra layer of memory control. Emte works by assigning a “secret label” to each memory block. Every time an app or the system wants to access it, you must present the correct label; If it does not coincide, Hardware blocks attempt And the system can close the process. This permanent and synchronized check allows to detect and stop classic attacks such as buffer overflows or use after release (USE-AFTER-FREE), which are usual techniques to take control of a device. The allocators protect the use of large -scale memory, while EMTE provides precision to the smallest blocks, where the software itself does not respond with the same effectiveness. This permanent and synchronized check allows to detect and stop classic attacks such as buffer overflows The bet responds to a landscape of threats where the highest levels against iOS are faces, complex and directed, historically associated with state actors. These chains usually share a common denominator: they exploit interchangeable memory vulnerabilities that have been present throughout the industry. The intention of Mie is cutting the progression in early stages, when the attacker still has little room and depends on chaining multiple fragile steps to gain control. Apple graph showing real exploitation chains and the points where it blocks them The scope of protection includes kernel and extends to key system processes that are usually entry objectives. In addition, Apple makes available to developers the possibility of testing and integrating these defenses through the Enhanced Security option in Xcode, including EMTE capabilities in compatible hardware. That is especially relevant to applications where a user can be direct objective, as messaging or social networkswhich often appear at the beginning of the exploitation chains. To sustain the labeling and synchronous check -up without perceptible impact, Apple redesigned the A19 and A19 Pro allocating CPU area, CPU speed and memory for label storage. The company precisely modeled where and how to deploy emte, so that the hardware meets the demand for checks. The software, on the other hand, takes advantage of the assignments typated to raise the bar of protection against memory corruption, while the hardware assumes fine verification. As we point out above, this should maintain the expected experience in performance and autonomy. The project was evaluated with its offensive research team from 2020 to 2025. First with conceptual exercises, then with practical attacks in simulated environments and, finally, on hardware prototypes. This prolonged collaboration allowed to identify and close complete exploitation strategies Before launch. According to Apple, even trying to rebuild known real chains, they failed to restore them reliably against Mie, because too many steps were neutralized at the base. Even so, Apple remembers that perfect security does not exist. Very rare cases could survive, such as certain overflows within the same allocation. For previous generations without EMTE support, the company promises to continue expanding software -based improvements and safe memory allocatives, with the aim of bringing part of these benefits to previous devices without affecting its stability. Ultimately, Mie does not eliminate riskbut it does redraw the rules of the game by raising the cost and difficulty of memory corruption techniques. For those who buy an iPhone 17 or an iPhone Air, this translates into always active protection and, according to Apple, invisible for the user. Images | Xataka with Gemini 2.5 In Xataka | Or pay or we will use your works to train AI: the threat of hackers to an artist website In Xataka | How to change all our passwords according to three cybersecurity experts

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