great

The great promise of obtaining a stronger material than steel

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Inventwood, a company that emerged at Maryland University, The Superwood Commercial Manufacture will begin After seven years of development. The material, invented by the scientist Liangbing Hu In 2018, it has 50% more tensile strength than steel and a ten-times higher resistance ratio. Why is it important. The construction industry generates high CO2 emissions: producing a ton of steel emits almost two tons of carbon dioxide. This supermadera not only eliminates these emissions, but carbon capture when manufactured with sustainable farm wood. In addition, it offers natural resistance to fire, humidity, termites and fungi without chemical additives. The context. What began as an academic discovery documented in Nature In 2018 It has evolved to become a technology that promises to be commercially viable. The company has managed to reduce the manufacturing time of weeks to hours and has raised $ 15 million to build its first plant in Maryland. In detail. The process requires two main steps: First, lignin is partially dissolved – the polymer that hardens wood – using food degree chemicals. Then, the wood is compressed at 65 ° C, collapsing its cellular structure in a dense matrix. The result is a material five times thinner than the original, but twelve times more resistant and ten times harder. The figures: The first installation will produce a million square meters per year from this summer. A second phase in autumn of 2025 will introduce outdoor panels. The initial price will be “Premium” but competitive with tropical high-end wood: between 12.50 and $ 25 per pound (between 27.5 and 55 per kilo), compared to the $ 1-2 of steel (2-4 per kilo). Yes, but. Although the supermadera is initially more expensive than steel by weight, its upper resistance-peso ratio means that a 5 kilos beam could match the load capacity of a 45 kilos steel beam. This reduces its effective cost to 2.75-5.5 dollars per kilo when we adjust for yield. Much more interesting and less far from steel. The panoramic. Inventwood A second installation already plans of more than 30 million square meters for infrastructure and large developments. Contractors can cut, pierce and hold this overmaster with standard carpentry tools, which should facilitate its adoption. The material could also be extended to other sectors such as vehicles, aircraft or furniture, but for now the company is focusing on construction, where steel and concrete suppose 90% of the carbon impact of buildings. Outstanding image | Inventwood In Xataka | China was for decades the largest CO2 issuer on the planet. Renewables are correcting what seemed impossible

Traveling by plane with a monstrous battery sounds great. Until airport safety thinks

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Travel salts and do fast checkeo: molts, clothing, pajamas, jacket in case it refreshes (which you will end up not using), loaders and loaders The Power Bank of 30,000 mAh with which you can load your mobile and that of all your friends a couple of times. You keep everything, you arrive at the airport and surprise: You can’t pass with such a large external batteryso they requisition and lose it. Indeed, in the same way that we can only carry liquid boats up to 100 milliliters In a transparent plastic bag up to a liter of capacityexternal batteries also have limits. Knowing them will help us not to take an unpleasant surprise as soon as you start the holidays Let’s talk about airplanes. IATA (International Air Transport Association) is the global commercial organization that groups the majority of the world’s airlines. It represents more than 350 airlines in 120 countries (that is, 80% of world air traffic) and among its many tasks is the promotion of safety standards. It is in the 66th edition of the IATA DANGEROUS GOODS REGULATIONS where the limits of lithium and ion-lithium batteries are collected (PDF). Image | Xataka The limits. According to the IATA, we can carry in the hand luggage, and always in the hand luggage, not in the winery, a maximum two external batteries of up to 100 Whing each. The same is secreted by EASA (European Aviation Safety Agency) (PDF). IATA terminology, however, is something confusing because it considers the Power Banks as spare/loose batteries, and of those we can take up to 20. However, if they are non -spillable batteries, they must be 12V or less, 100 whi or less and the limit is two units per person. If it is a replacement battery of between 100 and 160 WH, we can take up to two that the operator approves it and if it is greater than 160 WH, we most likely cannot transport it, as the EASA exposes. So, and to go on insurance: Maximum capacity: 100 Wh Maximum units per person: two Power Banks. Image | Gomi Forgive, Wh? In the Tech world we are accustomed to talking about the ability of a battery in terms of MAH (milliamp tell us about (watts time). If the brand of our Power Bank gives us the data, better than better. If not, we can do the MAH> WH conversion with this formula: (mAh) x (v) / 1000 = Wh Power Bank usually have a 3.7 volt voltage, so in the case of an external 20,000 mAh battery we would be talking about 74 Wh. That leads us to the following conclusion: if we want to carry the Power Bank on an airplane, the maximum theoretical capacity must be, at most, 27,000 mAh, although it may be tightening the rope too much. With a battery of 20-25,000 mAh we should go more than served, so, again, to go on insurance on an plane: Maximum capacity: 20,000-25,000 mAh. Maximum units per person: two Power Banks. Image | Gomi But one thing. This is a general rule and airlines usually accept it or adapt it, but we have doubts the ideal is to speak with the operator and comment our particular case. It is also possible that There are concrete standards depending on the country or the airline. For example, Hong Kong’s laws They prohibit loading the Power Banks using the USB take of the seats or loading devices with the external battery during the flight. South Korean operators force To take the battery at all times with us (not in a backpack, not in the upper trunk, with us) and companies like China Airlines and Singapore Airlines They prohibit The use of them during the flight. China’s case is particular. The Civil Aviation Administration of China (CAAC) issued an urgent notice whereby, as of June 28, 2025, passengers are prohibited from climbing the plane With batteries without the 3C certification (CCC). This is a mandatory security brand, similar to the European EC, which guarantees the quality and safety of Chinese products and that applies to both those imported and those manufactured in China. The thing is that, for the moment, it only applies to domestic flights. And in the trains? Nor in the Renfe conditions nor on the Adif website any mention is made to external batteries. Renfe, in fact, considers dangerous objects to firearms, white weapons, sports and sharp work instruments. Weapons could behave if we carry the relevant license or accreditations, as well as ammunition. What we cannot carry are sharp objects such as knives or stabs, paint ball guns and explosive, flammable, chemical or toxic substances. They do not specify anything about external batteries. They do not do it either Iro and Ouigowhich have similar restrictions and in no case refer to external batteries. Anyway, from Xataka we have contacted the three operators to get out of doubt and update in the case of receiving an answer. Image | Tonny Zhong

Spain wanted to turn the train into the great alternative to travel in summer. Renfe never had so many dissatisfied customers

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13 hours stopped in the middle of the field. That has been the last great controversy in the Spanish railway sector where, among accusations crosses, hundreds of passengers saw how high speed was paralyzed in southern Spain. High speed that should be the great alternative to the car. But there is a fact: there were never so many unsatisfied customers. The last. On June 30, late in the afternoon, High speed collapsed In southern Spain. Just when summer displacements begin, The tension drop in a catenary He left hundreds of travelers thrown along the way. In the worst case, the trip became a nightmare that lasted 13 hours and ended with a hospitalized old woman. Of course, it seems complicated that users of that same train do not climb to the car of the dissatisfied with the delays that, every time, They are more common in Renfe trains. Folding the data. Practically, one in 10 Renfe high speed travelers are dissatisfied with the punctuality of the service. Specifically, 8.5%, according to the study of Household Panel that CNMC performs and in which satisfaction is collected with the services provided in Spain. The data does not take into account the latest incidents of A very moved 2025 since they are the first semester of 2024. The CNMC only collects satisfaction with the railway services the first semesters of each year but the data are very worrying. In 2020, only 4.8% of customers were dissatisfied with punctuality. Neither bird nor avlo. There are more reasons to worry. In 2020, only 0.6% of customers were “nothing satisfied” with the punctuality of the service. Today that data is 4.2%. And of 11.8% who were not “satisfied or dissatisfied” has passed to 19.1%. That is, the balance has leaned towards discontent. Especially if we take into account that 36% of AVE customers in 2020 were “very satisfied” with punctuality. Today that data is 22.5%. But, in addition, discontent is triggered among Avlo customers. In that case (there are only data from 2024) dissatisfaction is 13.1% although 23% of train users consider that they are “very satisfied” with the arrival in trains. That is, the bird data is very slightly improved. And the new operators? It is what should worry the most. The CNMC encompasses Ouigo and Iryo in the same table but points out that dissatisfaction with these companies is 8%. A very similar fact if it were not because the “very dissatisfied” client is found in 2.2%, almost half than the bird. In addition, 13.2% of customers say they are dissatisfied with the prices of Ouigo and Iroy but the figure is triggered at 23.3% in the case of avlo and up to 31.3% in the case of AVE. Only one section. There is only one section where the AVE expires new competitors and is in the state of trains. The dissatisfaction in this case is 8.3%, for 9.8% of Ouigo and Iroy trains. Of course, Avlo shoots up to 12.2% of dissatisfied customers. In the rest of the questions, which refer to the overall state of the stations, the price, the frequency, the time of path and the punctuality, ouigo and Iryo they always exceed what is offered by Renfe, both by AVE and by Avlo, which records but is general results. Alternative? Perhaps the biggest problem for the government is that it wanted to make the train a real alternative to vehicles by road. In 2021 The possibility of prohibiting domestic flights between cities that had a high speed alternative that had less than two and a half hours of journey was already touched. The last offensive To stop domestic flights is trying to prohibit their advertising. But in the practical field, in Spain free train fertilizers have been subsidized (including high speed partially) Since 2022. Following him German example that filled the trains As a measure to alleviate the effects of the Ukraine War, the Spanish Executive has maintained public transport aid that have sustained until this year. Can work … If you meet what is expected. In fact, high speed between Galicia and Madrid has shown that the train can be a Very interesting alternative to domestic flights But it is essential that it works quickly, punctuality and security. However, in ABC They point out that the continuous problems in trains have returned to some passengers to airplanes in Sevilla-Madrid. An example of what the continuous delays in rail services that, on average, In 2023 they almost reached 30 minutes. Photo | OUIGO AND NELSO SILVA In Xataka | The bird to Galicia has achieved what seemed impossible in a Santiago-Madrid: airlines that throw the towel

All closures and great cancellations

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As we reported yesterday, Microsoft executed a new round of mass layoffs which has shaken a good number of departments from different regions. One of the most affected divisions has been Xbox. And among the 9,000 employees dismissed, we find important studies and cancellations in the company’s gaming division. What happened. Phil Spencer, CEO of Microsoft Gaming, confirmed the cuts through An internal email where he explains that they seek to “position gaming for lasting success” and focus resources on “strategic growth areas.” The video game division had approximately 20,000 employees in January 2024, and these dismissals represent the fourth wave of mass cuts in the last 18 months. The games that have been lost. Perfect Dark, the expected restart of the classic franchise that started in Nintendo 64, has been canceled after seven years of turbulent development. The Initiative, the study created specifically for this project in 2018 with veterans such as Darrell Gallagher, has definitely closed. The game had shown A promising trailer In the Xbox Games Showcase of 2024, although we did not know more about him again. The enitiative closure marks a hard xbox stick, especially considering that they promised A new standard in industry with the development of its ‘quadruple to’. Perfect Dark thus remains without reboot, and is lost among the entire list of cancellations and studies closures of the firm. Among other games is also Everwildthe ambitious Rare project announced in 2014, which has also been canceled after 11 years of development plagued with internal reset. This third-person game of the team responsible for Banjo-Kazooie and Sea of ​​Thieves had disappeared from the radar after its presentation in 2019, and despite the fact that Phil Spencer himself highlighted him as the First Party of Xbox What’s most excited about everyonehe has not managed to survive the cuts. Zenimax Online Studios has also canceled Project Blackbirdan unnoticed MMO that had been developing since 2018 and intended to be the successor of The Elder Scrolls Online. In addition, Blizzard has announced that Warcraft Rumble, his mobile game released in 2023, will stop receiving content new and will limit regular events and error corrections. Affected studies and equipment. In addition to the definitive closure of The Initiative, other studies have suffered devastating cuts. Turn 10 StudiosForza Motorsport developer, has lost more than 70 employees, almost half of its template After the mixed criticisms received by his last game. King, head of Candy Crush, has eliminated 10% of its staff, about 200 people at their Stockholm headquarters. The teams of Call of Duty haven’t fought either: Sledgehammer Games, Raven Software and High Moon Studios have suffered cuts. Halo Studios and Undead Labs, creators of State of Decay, have also seen their templates. Even the Xbox user research team, key to guaranteeing the quality of games and tools, has lost almost half of its staff. As a consequence of the cancellations, Gregg Mayles, veteran director of Sea of ​​Thieves and Banjo-Kazooie with more than 35 years in Rare, has abandoned the company. Matt Firor, Zenimax Chief online Studios, has also announced his march after the cancellation of Project Blackbird. Between the lines. These cuts arrive after Microsoft spent $ 68.7 billion on Acquire Blizzard King Activision. The pressure to increase the profit margins is evident, especially when the company has eliminated more than 20,000 positions since it announced the acquisition. Matt Booty, Head of Xbox Game Studios, recognized in its internal statement that these decisions “reflect a broader effort to adjust priorities” in a “changing industrial panorama.” The magnitude of layoffs is, at least, striking: while Microsoft reports record benefits, it has eliminated more than 15,000 employees only in 2025. Sources close to the environment Engadget They suggest that the company is trying to “replace as many positions as possible with AI agents”, adding a worrying dimension to these cuts. The tension between surviving teams is palpable, especially in studies such as Halo Studios where the work environment has been significantly deterioratedaccording to the same sources. And now what. Microsoft maintains that it has More than 40 projects in development active and a “solid portfolio” by 2026. All games shown in the recent Xbox Showcase in June are “safe”, according to Fuentes del Medio Central Windowsincluding titles such as Clockwork Revolution and State of Decay 3. In addition, Phil Spencer will continue at the head of the division of Microsoft Gaming, denying rumors about its march. In addition, it should be noted that Xbox’s plans regarding next generation hardware also remain unchanged despite cuts. Cover image | Xbox In Xataka | Kojima locks himself again in his bubble with ‘Death Stranding 2’. The result is a work as strange as necessary

The true bottleneck of AI is not chips but electricity. And there China has a great asset

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Data centers are Electricity devourers. A single training cluster can spend more light than 100,000 houses. And while we become obsessed with the semiconductor war, the main problem is still there, in silence: electricity. Why is it important. Training the most powerful models require superoring workers 24 hours for whole weeks. It doesn’t matter if you have the best chips in the world if you don’t have electricity to feed them. It is like having a Ferrari with hardly any gasoline. In figures: The context. The United States has an still incontestable domain in AI and controls 75% of world computing capacity. But their companies are being delays with years to connect new data centers to the electricity network. Google, Microsoft and Amazon They have to deal with years of delays to connect new data centers to the electricity network. China, on the other hand, can lift and connect plants in a few months. Unidso’s bottleneck is in the slowness to connect new capacity to the network. Between the lines. American chip restrictions have forced China to be more efficient. He Deepseek earthquake At the beginning of the year it was the best test. China is riding its “National Integrated Computer Network”, connecting public and private data centers. Your “East Data, West Computing” plan “ Build eight big hubs in provinces with cheap renewable energy. It is something similar to what we saw at the time with the cryptocurrency mining. The key: China puts the AI ​​where there is electricity. Yes, but. Coal is still 58% of its mix energetic. Although renewables is expanding at a good pace, its current advantage is based partly on fossil fuels. That questions the sustainability of its strategy. And now what. The AI ​​career will be decided both in power plants and in laboratories. China is building the infrastructure to feed gigantic models. The United States has better chips, But worse electrical infrastructure. AI needs two things: Silicon. Electric muscle China is betting very strong for the second and that could be its winning asset. Outstanding image | ダモ リ in Unspash In Xataka | China’s three master moves to “independent” technologically from the West: raw materials, chips, AI

no other great technology is having a stock market as good as she

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Meta has just achieved something unheard of: dethrone Nvidia as the most successful technological technology of the year on the stock market. It is still far in stock market capitalization, but it grows above it in what we have been for the year. Its +22% surpasses the rest of the great technological, also Microsoft, and confirms the excellent stock market moment in recent times. Why is it important. Less than two years ago, Wall Street was punishing a goal for its obsession with the Metaversosomething that vanished at the same speed at which Chatgpt spread: the future actually passed by. Your expense in Reality labs Nor did it help. Today it is rewarding its transformation towards the practice. In detail. The change of course began in 2023, with what Zuckerberg called “The year of efficiency“ Now goal is running an AI strategy that combines the best of three worlds: Mass consumption products. Ray-Ban MetaCalls, Goal AI. Business infrastructure. Talent capture. In these last weeks we have understood the magnitude of point 3 with The signing of Openai leading researchersincluding Creators of O1 and O3. We also know that it plans to get 29,000 million dollars to invest in data centers. Between the lines. Investors have caught something that seemed unlikely: goal has made their traditional advertising income grow while in parallel builds their future in AI. Your R&D spending will reach the 65,000 million dollarsbut their margins continue to expand. Goal is demonstrating that it is possible to reinvent itself without losing the main business. Meanwhile, Google fights as can against the arrival of Chatgpt and Apple continues to look for its site in the AI ​​race. Goal has defined its identity: being the company that democratizes AI with a Llm Powerful but open source (with nuances) … … and make an incursion into Wearable that seemed innocent but is being tremendously successful. And now what. The next catalyst will be to verify how its smart glasses business evolves. And that of AI attendees. Above all, to what extent they change the business. Meta, first of all, it is demonstrating what was not taken for granted for all great technology: survival capacity in the transition to AI. And that is using recognition in the parquet. Outstanding image | Mariia Shalabaieva in Unspash In Xataka | The Xiaomi ai Glasses are much more than the finish line because they are not just a product. They are a platform

The C929 wants to be the great leap of China in commercial aviation. For now, your heart remains in Western hands

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For years, the domain of commercial sky has been in the hands of two giants: Airbus and Boeing. China wants to break that hegemony, and is willing to do it with its own name in the cabin. Comacthe China commercial aircraft corporationhe has been trying to make planes capable of competing with global references for years. First was the C919. Now, the bet is redoubled with The C929. This new model, even in a preliminary design phase, represents the most serious ambition of Beijing for placing a long -range plane on the international board. The objective is clear: to deal with heavyweights such as the Airbus A330neohe A350 or the Boeing 787 Dreamliner. And the figures accompany: capacity for about 280 passengers, an estimated autonomy of 12,000 kilometers and a design that, on paper, would allow to cover routes such as Beijing – New York. The internal deployment of C919: a discreet but strategic conquest The C919 has not conquered the global sky, but it has begun to take off within China. Since It was officially presented in 2017has gone through years of evidence, certifications and adjustments. SCMP points out thatas of June 2025, about 18 units fly domestic routes, mainly operated by airlines such as China Eastern. It may seem little, but the fact that it works only in China is not necessarily a failure. On the contrary: We talk about one of the largest aviation markets on the planet. And in that context, having its own plane capable of covering regional routes without depending on Western manufacturers is already, in itself, a strategic movement. The real commitment of Comac, however, is the C929. A plane from Width and long scope fuselage which aims to stand up to the most advanced models in the market. The project has won impulse in recent months: Air China signed an agreement To become a launch customer, and a supplier has reported that he hopes to deliver the first fuselage section in 2027. PROMOTIONAL IMAGE OF COMAC C-929 The development of C929 has a peculiar history. In the beginning, it was a joint effort with Russia. The project was then known as CR929, under the baton of a mixed company between Comac and the UAC Russian, called CRAIC (China-Russia Commercial Aircraft International Corporation). However, political tensions, the invasion of Ukraine and international sanctions on Moscow ended up forcing The dissolution of that alliance. Since 2023, Comac has moved on solo, turning C929 into an exclusively Chinese project. Comac has presented this plane highlighting several advanced technologies, including a Optimized aerodynamicsstate -of -the -art engines and integration of smart flight systems. In theory, it is a plane at the height of its western competitors. A C-919 Landing in China But there is a key detail: to fly, the C929 needs much more than Chinese wings. His “technological heart” continues to depend on the West. Safranthe French giant of the aerospace industry, He has signed a Memorandum of Understanding with COMAC to supply the brake system, ice detection, tire pressure sensors and oxygen system. For her part, the American Crane Aerospace will provide sensors for cabin doors. Although these agreements show that Comac is still able to attract international suppliers, they also put an uncomfortable reality on the table: their program remains, to a large extent, Tied to foreign technology. And that, in an uncertain global context, is a latent risk. The Russian precedent that China cannot ignore Russia offers a mirror. The latest Western sanctions cut off the country’s access to key components for its aeronautical industry. The TU-214a half-long reach that could transport between 155 and 210 passengers and fly to about 6,500 kilometers, was severely limited. Many of their critical systems depended on foreign technology. Moscow has worked since then in local substitutions, but possibly at the expense of performance and reliability. China, of course, has proven to be very resilient. He has dodged restrictions in sectors such as semiconductors, and has learned to convert traction obstacles. However, a change in United States commercial policy I could leave them without western engine. “If the US authorities prevent ge supplies the engine, then there will be no CFM engine,” A spokeswoman for Safran warned during the Paris Aeronautical Hall. Images | Comac In Xataka | The C919 Comac

Minoxidil looked like the great miracle medication against baldness. A pharmaceutical company financed by Google has just overcome it

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The fight against alopecia is A thriving market. The first laboratory to achieve the “miracle treatment” that manages to avoid or reverse androgenic alopecia (conventional hair loss associated with age) could take a lucrative prize comparable with the success of formulas such as Ozempic. One of the best positioned laboratories in this race seems to be Pelage Pharmaceuticals. Preliminary results. A few days ago, the Pelage Pharmaceuticals laboratory announced “positive” preliminary results in the second phase of its clinical trials of the compound PP405. According to its announcement, the formula showed a quick and statistically significant response in these trials. PP405. The compound developed by this company, pp405, is designed for topical application and with the aim of reactivating latent follicular stem cells (HFSC), thus allowing the restoration of hair growth. According to Explain the laboratorythese cells usually alternate latency and activity cycles when they work conventionally. However, with age or in response to certain external or internal stimuli, these cells can be “blocked” in the sleeping phase of this oscillation. As highlighted, this state of latency does not imply its disappearance or loss of viability. Test treatment seeks to “restore the regenerative capacity” of these follicles, which entails the recovery of capillary growth. 78 participants. Preliminary results published by the company They belong to phase 2a of clinical trials of the compound. It is a randomized and controlled study in which 78 participants, men and women with androgenic alopecia have taken part. The participants were divided between the experimental group and control group or placebo: the participants of the experimental group applied the compound in their scalp for four weeks; while the control group received a placebo. After four weeks of application, a 12 weeks were monitored to check the effects on the participants. Results. The results now presented do not correspond to those obtained after the essay but to their eighth week (after four weeks of treatment and four subsequent monitoring). The responsible team observed that among men with more advanced baldness, 31% Of these they showed a 20% increase in capillary density. They stood out for this reason the speed of the response to treatment, at least in principle faster than that observed in contemporary treatments. A crucial difference. However, the key to this treatment was in its effect on inactive follicles. The experiment showed regenerative potential both in the areas of weak growth and in the areas where the hair was no longer growing. The treatments we have in the present are useful when reinforcing growth in weakened but active follicles, not those that have already fallen in a state of latency. “These early clinical results reinforce the potential of our approach to go beyond the slowdown of the hair loss process and directly attack the hair follicle tegeneration,” pointed in a press release Christina Weng, medical director of Pelage Pharmaceuticals. A long way to go. The results are preliminary and correspond to a study conducted in a limited sample, so we will have to wait for the company to give new data on the drug evaluation process. According to the laboratorythe last stage of this process, phase 3 of clinical trials, could begin in 2026. The support of a giant. The origin of the project is in the work carried out in the last decade by researchers at the University of California Los Angeles and other institutions. According to the company, the development achieved the support of investors led by Google Ventures. In Xataka | The hair industry in Türkiye has a new enemy: a protein that protects us from baldness Image | Donald Teel

The great myths of heat that we should avoid in summer

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The heat wave It crosses its peak during yesterday’s days and today, so staying fresh and hydrated becomes fundamental. This is not always easy: sometimes intuition deceives us, sometimes those who lead us to error are the myths we hear again and again. That is why it is convenient to review some errors in which we can fall easily. Cold water, hot water. To stay hydrated it is essential to drink liquids and, especially, water. But,at what temperature? It depends on what we want to achieve and the characteristics of the heat we are going through. We know that consuming a hot drink can make our body respond breaking. That is why in certain circumstances, drink a hot drink, like coffee can make us cool. But there is an exception: this phenomenon is based on the ability of sweat to cool, but this capacity It looks reduced in high humidity conditions. That is: a hot drink can cool us only if the heat is rather dry. Water of time? If we resort to this technique, we must also take into account the fact that sweat implies a loss of liquids and therefore a greater risk of dehydration. If our objective is not so much cooling and replenishing fluids, perhaps the best idea is to consume “time” water or sympleously fresh (not cold). It is the conclusion of A study Posted in the magazine International Journal of Clinical and Experimental Medicine In 2013. This analysis, focused on seeing how water temperature affected the rehydration process, observed that consuming water at a temperature of about 16º could facilitate the rehydration process. Fresh beer. Taking a fresh beer in summer is common to fight heat. A moderate consumption can have that effect, but as we add alcohol to our body, the chances of the cylinder head shot will increase. First because alcohol works as a vasodilator, which can alter the distribution of heat in our body. This effect It makes alcohol more dangerous in winter, when you can transmit a false feeling of warmth, but it can also affect how we feel in summer. Perhaps the greatest risk of going with beer in summer is, however, hydration. This drink has a diuretic effect that can make us lose water at a rate greater than the replacement, which can approach dehydration. Fans, yes or no. The fan is one of the most useful tools when fighting heat, but it is a tool with its limitations and even inconvenience. TO Air conditioning differencefans do not cool the air. What they do is to facilitate that our body heat is blurred by sending us colder air than the one around us. The problem is that, after a certain temperature (about 35º), the air that comes to us is not colder than the one around us, so the fan will not help us. Moisture It is also important since these devices work worse in very dry environments. They can also cause us problems when we use them for a long time, such as when we sleep with them, disseminating allergens or drying the atmosphere of our stay. Ventilate spaces: Not so simple. Keeping our very ventilated home is important throughout the year, but correctly handling ventilation in summer can also help us refresh our home, improving thermal comfort and saving energy. Now, It is not right simply With opening the windows, there are important factors to take into account. Of course, the time is one of the keys: if we want to refresh our house it is best to do it before the arrival of the daytime heat or once it has dissipated. We will also otimize the ventilation if instead of opening windows to right -handed and sinister we open windows in opposite points of the house in order to take advantage of the thermal difference to generate stronger currents that are taken with it the heat and moisture. In Xataka | Heat wave in Spain 2025: 7 tools to look at the temperature where you live Image | Lucas Sandor

Cannes has been tired of the megacruceros. The great drama of the industry is that more and more cities think the same

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Cruises yes, but with nuances. And limits. Cannes He just added in the long run (and growing) List of port cities that have decided to put limits to the influx of large transatlantic full of tourists. The town of the French Riviera does not want to give up a millionaire business that moves thousands of visitors every year, but He has just imposed Certain conditions to the shipowners: Megabarcos are over and there will be a daily passenger stop. The measure is interesting for the weight of Cannes in the international tourist circuit, but also because with it the city of the French Riviera adds to other cities that have already opted for a similar policy (or have weighed it), as Barcelona, Amsterdam, Greece, Italy either Venice. Stoping the brake. Cannes is known above all for its film festival, but it is also an important tourist pole of The Costa Azulone of the great destinations of the country, behind only Paris. Each year they go to the French Riviera millions of tourists and a good part of them do it aboard large cruises. Statista Calculate that in 2015 they stopped in the ports of the Costa Azul, especially Nice, Villefranche and Cannes, about 546,000 passengers. I monde Precise That last year Cannes’s bay received 175 scales, in some cases of ships with capacity for more than 5,000 passengers, and added 460,000 cruise members. To understand the weight of the region on the tourist map comes with a look at The data of the Government: In 2024 the country’s ports provided for adding 1,691 scales, of which 395 concentrated in Cannes, Niza or Villefrance. Now the City Council has decided to brake. Goodbye large ships. On Friday the Cannes Consistory voted in favor of applying certain restrictions to the flow of transatlantic. It is not about closing the doors, nor cutting the arrival of cruise passengers, but of limiting them. From 2026 they will only be able to access the ports ships with less than 1,000 passengers and the total number of cruisers landed over a day will not be able to exceed in any case of the 6,000, Precise Associated Press. If a ship of more than 1,000 passengers (the industry already has large ships with capacity for more than 7,000 customers, such as the Icon of the Seas) I would like to take Cannes to his passage, he would have no choice but to transfer it to smaller ships, as long as he does not exceed the daily quota. “Less cruises, smaller”. That is the idea of ​​the City of Cannes, which emphasize What are its objectives: “Less cruise ships, smaller, less pollutants and more attractive. There will never be more than two or three giant transatlantics in the bay at the same time.” According to detail The Consistory itself, the measure seeks to reduce the number of transatlantic scales by 50% with capacity for more than 3,000 passengers, changing them for “smaller, modern, aesthetic and environmentally respectful ships.” “Cannes has become an important cruise destination, with real economic benefits. It is not about prohibiting them, but about regulating, organizing and supervising the navigation of these floating platforms, sometimes very polluting,” claims The mayor of Cannes, Davis Lisnard. “As of January 1, we will limit the scales to the cruises with less than 1,000 passengers, with a maximum limit of 6,000 passengers Diaries. A reasonable measure. “ Add and follow. The measure is interesting for the weight of Cannes on the world tourist map, but also because with its decision the French city adds to the long (and growing) list of cities that choose to restrict the flow of cruises. The argument is usually the same: the industry generates income and dynamizes the sector, but leaves a series of externalities that have earned a strong opposition in some of the most tourist ports. In Amsterdam they have come to cross out the influx of passengers of “Lobster plague” And a few days ago, during an organized protest against the mass tourism he had Replicas In other parts of Europe (Florence, Venice, Palma, Marseille, Genoa or Lisbon), complaints were also heard that compare cruises with “Basureros”. As a backdrop there are studies that warn of Environmental impact of passenger ships, which has already taken shipping companies to Find alternatives. From Mykonos to Barcelona. The result is that more and more administrations choose to restrict cruise traffic on their coasts or, at least, open the debate. It has happened with greater or less intensity in Amsterdam, Greece either Italy. The industry itself has reacted To that wave making it clear that it will be thought twice when including in its itineraries destinations in which you have appreciated episodes of Tourism Fobia. That is the idea that He left driving A year ago the director in Europe of the CLIA Association: “The possibility of adapting itineraries will be considered if for some reason we feel that not all passengers will be well treated.” Images | Xavier Photography (UNSPLASH) and JRG.Jennerich (Flickr) In Xataka | Years ago Lisbon set out to be a tourist capital. Now it has become the greatest tourist hell in Europe

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