Some mountaineers want to climb Everest from London in seven days. There is controversy because there is “trick”: Xenon gas

Although it has become a monster touristifiedwith Hundreds of promotions every year and a large amount of garbageEverest remains a mountain within reach of a minority. Crown her It is not cheapit demands a good physical form and a considerable time investment to acclimatize at its altitude. Mountaineers usually pass several weeks in the base camp and move through the mountain and the neighboring peaks to prepare their bodies before entering The “Zone of Death”more than 8,000 m, named for its low levels of oxygen. Now a group of British has proposed to complete an entire expedition in just seven days thanks to the help of a gas that is usually used as anesthetic. And that is generating A considerable stir In the world of mountaineering. A “walk” from London to Everest. The itinerary is so surprising that it sounds like science fiction or the script of the new movie of the saga ‘Mission Impossible’. What have proposed to Carns and three other colleagues, all ex -military, is to go and return to Everest from London in a week. With summit included, of course. Its roadmap plays to a plane in London, fly around 7,5400 kilometers to Katmandu, in Nepal, then complete the journey to the Everest base camp aboard a helicopter and finally ascend to the top of the world in just a few days. In total around 168 hours. Nothing to do with the weeks of acclimatization that EVrest usually demands. Click on the image to go to Tweet. Three days of upload, two of descent. “Time begins to count when we leave Heathrow and stops when he returns,” I commented carns Recently a The Washington Post. “We probably thought of a travel day, then three days of upload, two of descent and the last day of travel.” The goal It is ambitious: to fulfill a journey to Everest of seven days “door to door” from London and, incidentally, “redefine what is possible in mountaineering at great altitude.” The mission is called “7 Days Mission Everest”he planned to start from London on Friday 16 (his updated advance can be followed Through its website) and its objective, beyond marking a milestone in the history of Everest, is to raise money for charity organizations dedicated to supporting war veterans and their families. “I always say that we have a 30% chance to get this in seven days, and about 70% of doing so in less than 21 days,” Comment Carns. Even if in the end that last goal, the team would be achieved considerably the duration of traditional expeditions and get a national record. The fastest expedition from London to date lasted 21 days. And how are they going to do it? That is the key. Carns and his companions are ex -military in good shape and throughout the last months have undergone a demanding training. Not just that. For several months the four sleep in hypoxic campaign stores Installed in their homes, spaces that reproduce oxygen levels that will be found at high altitudes and those that mountaineers usually resort to mitigate the symptoms of high high evil. However, neither training nor acclimatization are nothing new nor explain how the carns team intends to raise and lower the mountain in a matter of five days, a ridiculous time if compared to the weeks and weeks of acclimatization to which the mountaineers who travel to Everest usually submit. The key to your mission is another: The xenon. That is what explains that they aspire to finish the expedition in seven days instead of the Between six and seven weeks that usually last the normal missions. And what is the xenon for? Xenon is a noble gas discovered in the nineteenth century and was used for decades as a powerful anesthetic in medicine. The British team has noticed it, however, for another reason: its supposed usefulness to increase the production of red blood cells and accelerate high altitudes acclimatization. In other words, prepare them for the conditions that will be found in the most dangerous area of ​​Everest, after 8,000 meters high. With that purpose the four ex -military inhaled a “Subanesthetic concentration” of xenon gas mixed with oxygen, a single one -hour dose they received under medical supervision. According to Explain to The Washington Post The doctor responsible for the protocol, the treatment shows its most intense effects between 10 and 14 days. They received their dose on May 5, about a week and a half before they got on the plane that took them to Nepal. The advantages of xenon. Behind the idea is Lukas Furtenbach, a veteran mountaineer at the head of a company that organizes expeditions and that years ago already managed to reduce the duration of the climbs to Everest thanks precisely to the use of hypoxic stores. Together with an anesthesiology expert, he explored the use of gas for acclimatization, a use that Furtbanch has already tried in his own meats. The key would be in the usefulness of the xenon to increase the production of erythropoietin, or EPO, a hormone generated by the kidneys to stimulate the generation of red blood cells in the body. “One of the side effects is that it triggers the production of EPO and that produces an increase in red blood cells in the blood. It is the same effect that occurs to acclimatize to a real altitude,” Furtenbach points out. The idea, insists, is not to improve the performance of mountaineers who undergo treatment, but to protect their tissues. The debate, served. The idea has generated expectation, but also an interesting debate in the world of mountaineering. Furtenbach defends that less days at Everest also translate into less hazards, Less waste generation and lower environmental impact for the mountain. Expeditions like Carns’s are not cheap in addition (their cost is around $ 170,000), so they are not likely to end up replacing traditional campaigns. “When oxygen first appeared in mountaineering, it was considered a taboo. Now everyone … Read more

Neither London, nor New York, nor Tokyo. The largest city in the world is a place that you have never heard

We recently told something we sensed, but there were no data to confirm it. For a long time it was thought that we were 8,000 million people on the planet, but a study calculated that we had left Between 1,000 and 3,000 million along the way. It is not a trivial figure, and gives an idea of ​​the “massification” of people on earth. If we add to this that most live in cities, the thing is complicated a little more. In fact, there is only one city that has two records: it is the bigger and the most populatedand possibly you had never heard of her. Colossal and unknown. To the question of the world’s largest city, many candidates may be repeated: London, New York, Tokyo… However, none of those well -known cities really holds the title, neither by total nor surface population. No, the true urban giant is found in China and is a name that the general public is unknown: Chongqing. This monumental metropolis, located in the geographical heart of the country, where the Yangtsé and Jialing rivers cross, has not only become the city with the greater number of inhabitants in its jurisdiction, but also in the most extensive on the planet, with More than 82,400 square kilometersan extension comparable to entire countries such as Ireland or Austria. Context. However, its real size is not easily perceived from the outside, this occurs especially because much of Its territory is ruraland because its urban structure challenges all cartographic logic, built on steep slopes, deep valleys and high urban platforms that force its residents to move between tunnels, phones, stairs, elevators and catwalks that intersect as in an endless vertical dream. A three -dimensional city. More than a flat city, Chongqing is a three -dimensional urban phenomenon, as vertical as expansive, as abruptly as unbeatable. In fact, He told the Guardian Architecture critic Oliver Wainwright when describing his experience there Like a mixture Between the Inception movie and a snake and stairs game. In Chongqing, what seems like the ground floor can actually be the roof of a thirty -story building, and moving a few apples can involve changing levels five times. Its urban design, far from following a classic pattern, Respond to the mountainous topography which forces the neighborhoods clinging to the cliffs since the subway lines cross housing buildings. In such a context, even maps lose meaning: the city is only understood in motion, from within and in all directions. The Chinese city in dusk More than an inflated statistic. Plus: Although it may seem that its classification as “the greatest” is based on administrative technicalism, the argument goes beyond the mere surface. While the urban area occupies a much smaller portion of the total, More than 70% of the population (about 33 million inhabitants) lives within that area concentrated, a figure that exceeds any other city in the world. In addition, Chongqing is not a recent experiment or a planned city overnight: its history goes back to More than 3,000 yearswith a key role as regional capital, strategic river port and even logistics node before the Qing dynasty. The city already had more than two million inhabitants before the economic reforms of 1968 that opened China to the globalized world. From that moment on, growth It was vertiginous: 6.3 million in 1979, 13.9 million in 1983 and almost 29 million in 1997. The urbanized “China”. If you want too, Chongqing symbolizes the perfect model of Intensive urbanization That China has promoted in recent decades, with a state machinery that has doubled the urbanization rate of the country in twenty years, and that projects to reach 70% of urban population by 2050. Moreover, four of the five largest cities in the world by population within its administrative limits They are today in Chinareflex of a national process that has merged economic development with urban planning on a continental scale. Within that framework, the enclave not only represents a statistical feat, but a key piece of Chinese economic and territorial gear, a kind of megalopolis built on the basis of public investment, administrative reorganization and forced mobility towards urban poles. Touching roof. It is the last of the legs to analyze: its future. Like that of many other Chinese cities, he faces a new reality that we have gone counting: Stagnation and posterior Demographic decline of the country. Despite its colossal size and its central role in the economic growth of the nation, it may have already reached its maximum point. The new generations, less numerous and With other goals and valuesThey could reduce the expansion pressure that its recent history has defined. That said, even if it does not grow anymore, Chongqing will continue to be a unique city: with 33 million people And a territory that covers more than some states and countries combined, the city of impossible heights and asymmetric densities is already, in its own right, one of the most extreme urban expressions that humanity has conceived. Image | JUUKEIHC, Kristoffer Trolle In Xataka | We thought we were 8,000 million people throughout the planet. Until some researchers began to make numbers In Xataka | In Japan there is no doubt that they live worse than 30 years ago. Literally, houses are getting smaller and smaller

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