a mother drone with 16 tons of surprises

If drones are the weapons of present and futureChina is several galaxies ahead of the rest of the planet with a single architecture. HE called Jiu Tianand it is the evolution of old war aircraft carriers adapted to new times: a huge mother plane that has just successfully completed its first overhaul. The rise of the aerial mother. China has given a decisive step in the global race for dominance of unmanned airspace with the inaugural flight of the Jiutian, a 16-ton colossus that not only symbolizes the maturity of its aeronautical industry, but also marks a turning point in the very conception of air power in the 21st century. Although officially presented as a civil platform Versatile for heavy transportation, emergency communications or advanced mapping, the Jiutian (next to the Jetankits version more openly oriented towards dual missions) represents the culmination of a strategy in which drones cease to be simple support vectors and become motherships capable of releasing swarmstransport loitering munitions, and completely alter the way the military views saturation operations, electronic warfare, and spectrum control. And much more. The official media they have insisted after its first test in modularity and the diversity of civilian roles, but the combination of load capacity, range, autonomy and mission architecture has aroused interest that goes far beyond the commercial: it is the birth of the “aircraft carriers of the sky” (or rather drone carriers), platforms that are inserted in the global strategic competition. The metamorphosis of the drone. The first characteristic that distinguishes the Jiutian (and the Jetank) is its size. At 16.35 meters in length and 25 meters in wingspan, it is placed in an unprecedented category: large tonnage drones with the capacity to transport 6,000 kilos of payload. Added to this is an autonomy of 12 hours and a range of 7,000 kilometers, figures that were previously only associated with manned transport or ISR aircraft. This structural base allows mounting mission modules completely interchangeable: from high-precision logistics containers to communications capsules to restore networks in disaster situations. However, beneath that multifunction façade hides the real qualitative leap: an internal compartment “hive” type capable of hosting dozens to more than a hundred smaller drones or loitering munitions, along with eight external points from which guided weapons, air-to-air missiles, glider bombs or electronic warfare charges can be launched. Two versions of the same revolution. The figures presented by the Chinese developers show that the two models share dimensions, maximum takeoff weight, payload and autonomy, which indicates that Jiutian and Jetank are part of the same family of megadrones aimed at covering everything from logistical needs to complex military missions. One where the Jetank stands out is in the more explicit emphasis on its ability to launch swarms in mid-flight and change roles in a few hours thanks to mission modules that are quickly assembled. Chinese analysts describe it as a “world-class” platformcapable of acting as a multipurpose transporter, swarm nurse, electronic warfare vector and even light bomber with precision munitions. Its open architecture system allows you to process, integrate and update sensors and software in an agile way, which transforms the drone on a flexible node within a broader network of manned and unmanned systems. In essence, both models are not simple UAVs: they are aerial ecosystems capable of adapting their function to any tactical or strategic scenario. A doctrine of formation. The real value of these drone carriers lies not only in their size or the weapons they can carry, but in the ability to release swarms of small drones (including kamikaze UAVs) that introduces a dynamic that surpasses the traditional logic of combat aviation. For example, a single Jiutian could deploy a swarm sufficient to overwhelm anti-aircraft systemscollapse sensors, overwhelm radars and allow other platforms to penetrate previously insurmountable defenses. In parallel, its autonomy allows, a priori, that the combination of reconnaissance, attack, electronic warfare and saturation be integrated into a single extended missionsomething that has rarely existed in unmanned platforms of this size. In recent conflicts like the one in Ukrainedrones have proven to be low-cost weapons with a disproportionate impact: their ability to destroy much more expensive equipment has rewritten the relationship between investment and military effect. China, with these developments, appears to have internalized that lesson and taken it a step further: from individual drones to turning one larger drone into the matrix from which hundreds are deployed. The future and 2049. He Jiutian development It is part of Xi Jinping’s goal of turning the Chinese Armed Forces into a “world-class army” by 2049. The exhibition in Zhuhai the previous year had already shown prototypes of combat drones equipped with AI capable of operating in tandem with manned fighters, and the flight of Jiutian confirms that the country is accelerating the technological pillars necessary to sustain a network combat model: megadrones, distributed artificial intelligence, swarms, modular sensors and platforms capable of exerting pressure on any regional theater. From that perspective, Jiutian and Jetank become in fundamental pieces for surveillance, reconnaissance, electromagnetic interference, saturation attacks and power projection missions in remote scenarios. Its design does not respond to an isolated program, but to a broader strategic architecture that China is perfecting to sustain its military rise. Image | CCTV, EPL In Xataka | One of China’s most disturbing weapons already has a flight date: a huge mother drone with 100 kamikaze drones on board In Xataka | China is sending drones to an island 100 km from Taiwan. The problem is that Japan and the US are filling it with missiles

The most important change is not on the mobile, but on the computer

WhatsApp has announced an update for the holiday season with nine changes focused on calls, states, AI or the most interesting: the new multimedia center in the computer version. We tell you all the news that is already coming to your devices. New answering machine “Leave your message after the signal.” This is what the classic answering machine tells us when someone doesn’t pick up our call and WhatsApp has decided that it wants to have its own. The app already has voice and video calls, but it lacked the answering machine to have the complete telephone experience. The novelty is called ‘Missed Call Messages’ and allows us to leave a message if we call someone and they don’t answer us, something quite typical especially during the holiday season. Now, when you make a call or video call and there is no response, a button will appear on the screen to record a video or audio messagedepending on whether it is a normal call or a video call. Audio chats and group calls a while ago in WhatsApp groups a new button appeared. What it does is that we can open audio chats between the members we select from the group. Pressing the button creates an audio room so you can discuss a specific topic without it ending up being an endless text conversation that others may not be interested in. The novelty that comes with this update is that now participants will be able to use reactions to intervene without interrupting the speaker. Group video calls are also common during the holiday season and with this version comes a new feature that makes it easier to follow the conversation. When someone speaks, they will appear highlighted on the screen. New multimedia center on your computer The new multimedia center icon. The most interesting news comes to the version for the computer. Until now, if you wanted to search for an image you had to do it within the chat where it was shared, but with this update comes a single multimedia center for all photos, documents and links. All photos, videos, links and documents in the same place. It’s displayed with an image icon in the left sidebar, along with access to archived chats, restricted chats, and featured messages. All the documents, messages, images and videos that we have received in the last 14 days will appear there. Allows you to sort them according to age and size. At the moment I have only been able to test this function on Mac, on Windows the app has not been updated. Improvements to Meta AI One of the capabilities of Meta AI, also known as “the blue WhatsApp circle“, is to be able to generate images with the prompt that we give it. It has updated the Midjourney and Flux models, so now it should create images with better quality. If you want to level up your Christmas greetings, now too you can ask him to convert them into an animation. After generating the image, just say “Animate it” and it will create a short video. Other news The update also brings other improvements such as the links we send will have a clearer preview, in addition to simplifying URLs that are too long. Also premieres new stickers within statesincluding song lyrics and Instagram-style questions. Lastly, if you have a whatsapp channel or participate in one, there is a new questions feature so administrators can interact with the public. To install the update on your mobile, open the App Store or Google Play (depending on whether you use iPhone or Android), search for WhatsApp and click on the ‘Update’ button. Images | Xataka, WhatsApp In Xataka | When Meta forced us to use its AI chatbot on WhatsApp, it did not have a detail: the European Commission

dates, information and everything we expect from the games they are going to give away

As is customary on these dates, Epic Games is going to make its traditional advent calendar giving away games in your digital store. We are not going to know the games they are going to give away each day until the time comes to reveal them, nor the dates or the number of games, but we can get an idea taking into account what they did in previous years. Therefore, what we are going to do is tell you the first games already announced, and then we are going to take a look at what they have done in previous years to tell you what we expect this Christmas. These assumptions are the logical ones if nothing radically changes, but keep in mind that we won’t know until the time comes either. What are these Christmas offers? The Epic Games Store is one of the largest digital video game stores along with Steam. And every year around this time they usually make a kind of advent calendar, in which every day they give away a new game. To be precise, first they give away a bomb of game for a week, and then they start with the daily drip. Sometimes they can be important games, the so-called AAA, and other days they will be more independent or lesser-known games. But in any case, they will once again get us to enter their store every day to see the Christmas sales, and while you buy a free game, you may pay for another discounted one. Dates of the games that Epic Games gives away For now, Epic Games has only revealed the first of the games that he is going to give awaywhich will be available for a week. But the important thing is that it also sets a date for when to give the next one. This is important because, if they repeat the tactics of other yearsthe normal thing is that from that next game they start giving away one a day. Last year the daily games were extended until January 2, and then they put on another one for a whole week. These are the dates we know: December 12 at 2:00 (Spanish peninsular time) – Hogwarts Legacy December 18 at 5:00 p.m. (Spanish peninsular time) – New game From here on, the normal thing is that every day of the week give away a new game starting at 5:00 p.m. Spanish peninsular time. If Epic Games later specifies and confirms the gift schedule, we will update this article to tell you. In Xataka Basics | Amazon Luna free with Amazon Prime: what it is, what games you have access to, and how to get more titles

NASA loses contact with its key orbital repeater

When you launch a probe into space that is not exactly cheap, without a doubt one of the biggest fears you can have is that it will stop send data or cut off your communication. This is precisely what has happened 225 million kilometers away with the MAVEN probe who has lost contact like NASA itself has been able to confirm. And this has been carrying out its function outside of our planet for many years now. His story. The ship, which has been orbiting Mars since 2014, it stopped communicating with Earth on December 6, 2025 and, so far, attempts by the Deep Space Network (DSN) to reestablish the connection have been unsuccessful. Although the worrying thing is not only that this scientific instrument could have been lost in space, but that MAVEN is a fundamental piece in the “interplanetary internet” that connects the Rovers on the surface with us. What we know. As NASA itself reports, everything indicated that it was a very normal day at the orbital office. MAVEN was preparing for its usual passage behind Mars that would leave it hidden, but a priori everything was working correctly inside. But logically the moment it is lost behind mars (something that almost always lasts between 25-30 minutes), the signal loses. However, on day 6, when the probe was to leave the shadow of Mars and reestablish the link with the Deep Space Network, the signal never arrived. It stayed just behind Mars with no further signs of ‘life’. Now the objective is to try to wake up the ship without success, although they assure that there are no indications that its trajectory has been altered. The worst possible moment. This is something that hasn’t had the best timingand as is known, we are already approaching the superior solar conjunction that is expected for January 2026. This phenomenon occurs when the Sun comes between the Earth and Mars, which makes communications very difficult and risky. In this way, if NASA does not recover MAVEN in these weeks, everything indicates that they will have to wait several weeks without being able to make more attempts. Because. Among the hypotheses that NASA has right now to explain this failure is radiation. Recently the Sun has been very active and a flare or cosmic ray could have corrupted the probe’s onboard computer, as already happened to other missions as Curiosity. Another hypothesis lies in atmospheric drag, since MAVEN flies really low. Thus, if a solar storm had ‘bloated’ the Martian atmosphere, the friction could have destabilized the spacecraft, forcing it to enter a mode where its antennas were not pointed at Earth. Its importance. This probe is not just a decoration in space, but rather plays a crucial role in understanding how Mars lost its atmosphere and water over the eons. It has been a resounding success, surviving well beyond its original lifespan. But in 2025, its role is more pragmatic: acting as a signal repeater. Right now the Rovers that are on the Martian surface as they are Perseverance and Curiosity They do not have the necessary power to optimally send information to Earth. This caused its data to be passed to MAVEN and other probes and then sent to Earth. In this way, losing MAVEN means leaving two probes that are much older on Mars and that could cause problems when sending this data. Images | NASA Hubble Space Telescope In Xataka | We already know when the interstellar comet 3I/ATLAS will be closest to Earth and what’s better: how to see it

The Samsung Galaxy S25 at an irresistible price, highly discounted Apple and Sony headphones and more offers, Bargain Hunting

After Black Friday, the good deals have not ended and stores like MediaMarkt or El Corte Inglés are launching quite large discounts on a wide range of devices. In the new Bargain Hunting we are going to review the best bargains we have been finding all week and they are still available. Google Pixel 10 Pro by 764.15 euros when you add it to the cart, with one of the best prices we have seen to date. AirPods Pro 2 by 169 euros When you add it to the cart, a much tighter price on Apple headphones. Fire TV Stick 4K Select by 19.90 euroswith the same price that we saw during Black Friday. Samsung Galaxy S25 by 764.10 euros when registering in the store, a gem for the high-end mobile. Sony WH-1000XM5 by 194.65 eurosthe best price we have seen since Black Friday. Google Pixel 10 Pro He Google Pixel 10 Pro has been receiving offers in recent weeks and El Corte Inglés right now has one of the best. Through your Private Salewhich can be accessed by registering in the store and adding the product to the cart (important to see the total discount), remains for 764.15 euros. It is a 6.3-inch mobile that It stands out above all in its camera configurationin its operating system and in its design. Google Pixel 10 Pro (128GB) The price could vary. We earn commission from these links AirPods Pro 2 If you had thought about buying some good Bluetooth headphones this Christmas, be careful with this offer from El Corte Inglés during its Private Sale. The AirPods Pro 2 they stay for 169 euros. We are talking about TWS headphones with a very good noise cancellation that offer an autonomy of up to 30 hours with the charging case. In addition, it is the version with a USB-C port and not Lightning. The price could vary. We earn commission from these links Fire TV Stick 4K Select Amazon has decided to launch the same offer that we saw from Fire TV Stick 4K Selectthe latest model it has launched, during Black Friday, so right now it can be purchased for 19.90 euros. This is a very reasonable price for a device that can play content in 4K. Of course, your operating system will be Vega OS and is not compatible with the formats Dolby Atmos and Dolby Vision; it is important to take it into account depending on whether the television to which we want to connect it is also compatible with these technologies or not. The price could vary. We earn commission from these links Samsung Galaxy S25 If you are not convinced by the Google mobile, for a similar price we have reduced the Samsung Galaxy S25 in your 512 GB configuration. If we register with MediaMarkt, an additional discount is automatically added that leaves it for 764.10 euros. It is an excellent mobile phone that has good software and a very powerful processor. Samsung Galaxy S25 (512GB) The price could vary. We earn commission from these links Sony WH-1000XM5 During Black Friday we saw one of the best prices in the Sony WH-1000XM5 (in its version with soft case). Now, El Corte Inglés has it on offer through its Private Sale for 194.65 euros (in version with hard case). They are very comfortable Bluetooth headphones that offer excellent audio quality and that They have some of the best noise cancellation we’ve tested. The price could vary. We earn commission from these links Some of the links in this article are affiliated and may provide a benefit to Xataka. In case of non-availability, offers may vary. Images | Google, Apple, Amazon, Samsung, Sony In Xataka | The best mobile phones (2025), we have tested them and here are their analyzes In Xataka | Best wireless headphones. Which one to buy and 21 models from 15 euros to 470 euros

The only Russian access gate to the ISS remains out of service. And that is forcing NASA to take action

“We are taking a very serious risk; we have no technical reserves for platform number 31; There is only one position for Soyuz-2 launches (in Baikonur),” warned Dmitri Rogozin, then director general of Roscosmos, on January 25, 2022. That wake-up call went almost unnoticed, but today it takes on unexpected weight. What was then described as a structural vulnerability has become an immediate problem for Russia’s ability to reach low orbit. And, in turn, for the operational balance of the International Space Station. That reflection of 2022 seemed distant until the last takeoff from Baikonur showed that the lack of redundancy is no longer a hypothetical risk. Platform 31/6, from where manned missions and freighters take off to the ISS, was damaged after the launch of Soyuz MS-28 (Expedition 74). The ship docked without problems, but the ramp did not pass the test. From that moment on, the question stopped being technical and became operational: what does it mean for the only infrastructure configured for these missions to be out of service from one day to the next. What happened in Baikonur and how is Russian access to the ISS? The first images of the Baikonur complex after the launch showed that the incident had not been minor. The service platform located under the rocket, a mobile structure of about 20 tons used for access prior to takeoff, a fall appeared in the ramp pit. According to sources consulted by Ars Technica, everything indicates that it was not secured correctly and was ejected by the thrust of Soyuz-2. Roscosmos admitted damage to “several elements” of the complex, although without going into details. The visible magnitude of the impact suggests a more complex repair than the official message indicates. Condition of damaged platform in Baikonur, Kazakhstan Now, one of the least visible elements of the Russian program is the diversity of platforms from which the different Soyuz take off. However, only a subset of them meets the technical and orbital conditions to send crew or cargo to the ISS. That detail explains why the damage in Baikonur generates such an immediate impact on international planning. Current overview of the main ramps: Baikonur, Kazakhstan. Site 31/6 (Soyuz-2): ramp used for manned missions and Progress freighters. Currently not operational. Baikonur, Kazakhstan. Site 45 (Baiterek/Soyuz-5): future candidate, still in the testing phase and without certification for missions to the ISS. Baikonur, Kazakhstan. Gagarin’s Start: symbolic installation of the Soviet program, today deactivated and in the process of becoming a museum. Plesetsk, Russia: designed for high and polar orbits, it is not suitable for reaching the inclination of the ISS. Vostochny, Russia: in use for cargo missions, but not configured for crewed flights or missions to the ISS. The temporary paralysis of the Russian capacity to launch missions to the station affects a decisive element of the orbital ecosystem: the Progress freighters. These ships not only transport supplies for the Russian segment, but also provide the fuel necessary to periodically raise the orbit of the ISS and use their thrusters to assist in attitude control. Other ships, such as Dragon or Cygnus, have demonstrated ability to contribute in part to these tasksalthough they do not cover all uses of Progress. NASA’s response was not long in coming. According to internal planning cited by Ars Technica, lThe agency has advanced two Dragon cargo missions to ensure sufficient operating margin in the coming months. CRS-34, initially scheduled for June 2026, moves to May, and CRS-35 moves from November to August. One source describes these changes as a “direct result” of the Baikonur incident. The goal is simple: ensure that the station has supplies without depending on the uncertain schedule of upcoming Progress missions. Launch of Soyuz MS-28 from Baikonur on November 27, 2025 From the outside, the agency has insisted that the station maintains sufficient capacity for the maneuvers of reboot and attitude control and that no immediate impacts are expected. Everything seems to indicate that the rescheduling of the Dragon missions works as an additional cushion. Roscosmos claims to have of the necessary spare parts and maintains that the repairs will be completed “in the near future.” However, the official estimate contrasts with the valuations collected by the Russian newspaper Kommersant. In that publication, Aleksandr Khokhlov, a member of the St. Petersburg branch of the Russian Cosmonautics Federation, maintains that the repairs could be prolonged from half a year to more than a yeardepending on the actual extent of the damage. Added to this are the extreme temperatures in Kazakhstan in winter and the budgetary pressure derived from the war in Ukraine. What happened at Baikonur reminds us that the architecture of the station depends on both technical decisions and political priorities. NASA has already reinforced its operating margin and now the question is how Russia will respond to a setback that reveals the lack of redundancies in its infrastructure. The pace of repair and the willingness to sustain their participation will mark the stability of the program in the coming months. Ultimately, this episode anticipates the challenges of a stage in which the ISS requires more effort than is sometimes visible. Images | NASA (1, 2, 3) | Roscosmos In Xataka | We already know when the interstellar comet 3I/ATLAS will be closest to Earth and what’s better: how to see it

When the cold arrives and we turn on the Christmas lights, something worries those who have solar panels

When Christmas approaches and the first waves of cold begin to seep through the buildings, Spain turns on its lights again. Streets, balconies and living rooms light up as temperatures drop in winter particularly unstable. But, along with this luminous ritual, a new question has arisen in many homes: can Christmas lights, climbing reindeer or LED garlands interfere with the solar panels that already occupy thousands of balconies and rooftops? The doubt is understandable. For years it has been repeated that shadows are the number one enemy of solar energy, leading to the belief that any object—no matter how small—could ruin production. But the reality is much less dramatic. The coexistence between self-consumption and Christmas decoration is today simple, safe and with practically no impact on the generation. “Lights bordering a solar panel are usually not a problem,” Alejandro Diego Rosell explains to Xatakaenergy consultant and professor specialized in photovoltaics. “The panel isn’t that picky… as long as you don’t cover their face.” A thin LED garland, a light cable passing over it or a spot light “generate minimal or directly negligible loss.” The only scenario to avoid is opaque, large or rigid objects that cast harsh shadows for many hours, or those that physically rest on the glass of the panel. Not due to electrical risk, but for safety and durability: wind, weight and scratches can damage the surface. Not even a slight shadow. To understand why these minor shadows are no longer a relevant problem, it is worth looking at how the panels have evolved. Héctor de Lama, technical director of the Spanish Photovoltaic Union (UNEF), He sums it up to Xataka like this: “A large part of the current panels are monocrystalline split-cell panels. This innovation allows that, if a part of the panel is covered, the performance of the entire module is not lost. In previous panels, if an area was covered, you lost almost all production.” In other words, modern modules work in independent halves and support partial shading much better, especially if they are narrow, discontinuous or moving shadows, such as those generated by LED strips or light decorations. Even so, de Lama clarifies that completely covering a panel can significantly affect “depending on how the circuits are connected and whether they contain optimizers.” In fact, Diego agrees with the idea, but takes it to everyday ground with humor: “Santa Claus hanging from the balcony, acrobatic reindeer, Three Wise Men rappelling… All of this falls into the category of emotionally necessary but technically harmless decoration.” And the invoice? A lot of noise, very little expense. Although many households associate Christmas lights with an increase in electricity consumption, the real impact is minimal. According to energy expert Iván Terrón, interviewed by El Españolthe cost is surprisingly low: “Even if they are on 24 hours a day, LED Christmas lights cost very little. All together they cost about the same as running a washing machine.” Starting from an average price of €0.14/kWh, Terrón estimates that keeping them on for a whole month is around 5 euros. The data from Selectra, a media specialized in energy consumption, offer an even more precise breakdown: 100 LED lights consume 5 W. In 33 days, at 6 hours a day, that is equivalent to 0.99 kWh, that is, about 0.10 euros. An equivalent incandescent garland – already rare – can reach 1.23 euros in the same period. Even in indexed or PVPC rates, where it is advisable to avoid the most expensive hours (between 6:00 p.m. and 10:00 p.m.), the impact remains symbolic. For those who want to optimize thoroughly, early morning usually offers the lowest prices; But in practical terms, the cost of Christmas lights is practically irrelevant. Christmas and self-consumption: coexistence without surprises. In a meteorologically hectic winter and with millions of households more attentive than ever to the price of electricity, any doubt about self-consumption generates concern. But in this case, the technical evidence is clear: the usual Christmas lights and decorations do not damage the solar panels, do not compromise the installation and have almost no economic impact. The final recommendation is as simple as it is poetic: let the lights illuminate your home and let the panels continue to see the sky. With common sense and modern technology, the magic of Christmas and the sun can coexist without a shadow of conflict. Image | Unsplash and FreePik Xataka | Vigo represents its consecration, but the journey of Christmas lights begins in another Spanish town: Puente Genil

James Webb has opened the door to a fascinating world

Until not so long ago, the word “exoplanet” seemed more typical of speculation than astronomy. Isaac Newton already dropped in the ‘Scholium Generale‘ of the Principia Mathematica that fixed stars could be the center of systems similar to ours, but science needed centuries to prove it. It was not until the late 1980s that the first signs of planets outside the Solar Systemalthough we had to wait until 1992 to confirm for the first time the existence of worlds beyond the Sun, around the pulsar PSR B1257+12. In recent decades, the pace of discoveries has skyrocketed thanks to increasingly precise instruments, which have allowed us to locate worlds that are as strange as they are fascinating. The Kepler space telescopefor example, identified more than a decade ago Kepler-16ba planet with “two suns” reminiscent of Tatooine from Star Wars. Since then we have cataloged a huge variety of exoplanets, but now the James Webb telescope presents an especially striking find: a world of boiling lava that, to the surprise of astronomers, is colder than theoretical models predict. An extreme world that questions what we know With a radius approximately 1.4 times that of Earth, TOI-561b It is an extreme super-Earth that orbits a star located about 280 light years away, in the constellation Sextans. NASA describes it as the innermost planet of a system made up of four worlds, with an immediate peculiarity: it completes an orbit in less than eleven hours. Its proximity is so extreme, barely 0.01 astronomical units, that the daytime hemisphere must greatly exceed the melting point of rocks. Everything points to a planet trapped by its star in a tidal lock, with eternal day on one side and perpetual night on the other. One of the peculiarities that most puzzles researchers is the low density of TOI-561 b. Astronomer Johanna Teske, lead author of the study, explains that “it is not a super-puff, but it is less dense than one would expect with a composition similar to that of the Earth.” The team envisioned the planet having a small iron core and a mantle made up of less compact minerals, a possibility that would fit the chemistry of its star. As it is a very old G-type star, about 10 billion years old and poor in iron, located in the thick disk of the Milky Way, it is plausible that the planet emerged in a primordial environment different from that of the Solar System. Still, the exotic composition did not resolve all the unknowns, and the team began to consider another possibility: that TOI-561 b was involved through a thick atmosphere. The idea is striking because the models indicate that small planets subjected to such intense irradiation for billions of years should have lost their gases long ago. NASA reminds us, however, that some worlds of this type show signs that they are not simple bare rocks. That nuance opened the door to thinking that the low density could be due, in part, to a volume inflated by a substantial layer of gases. To test the idea of ​​a dense atmosphere, the team turned to a technique that James Webb has used on other rocky worlds: measuring the disappearance of some of the infrared glow as the planet passes behind its star. Using the NIRSpec spectrograph, the researchers estimated the temperature of the illuminated hemisphere and compared it to what would be expected for a surface without heat-distributing gases. If TOI-561 b were a bare rock, its temperature would be around 2,700 ºC. However, observations placed that value close to 1,800°C, a difference too large to ignore. The unexpectedly low temperature makes sense if TOI-561 b is enveloped by a dense, volatile-filled atmosphere. In that case, the winds would transport heat from the illuminated hemisphere to less hot areas, which would reduce the infrared emission received by the telescope. Gases capable of absorbing part of the radiation before it escapes into space also come into play, something that coincides with the models evaluated by the team. YoIt is even possible that silicate clouds exist that reflect the light of the star and contribute to cooling the upper layers of the atmosphere. To explain how TOI-561 b maintains such a resilient atmosphere, the researchers propose a mechanism in which magma and gases are in constant exchange. Tim Lichtenberg points out that as the interior releases volatile compounds into the atmosphere, the ocean of molten rock recaptures some of them, reducing the loss to space. This process requires a planet exceptionally rich in volatile substances, very different from Earth in its initial composition. In Lichtenberg’s words, it would be “like a ball of wet lava,” a description that well sums up the extreme nature of the find. The observations that have allowed us to reconstruct this scenario are part of James Webb’s General Observers 3860 program. For more than 37 hours, the telescope continuously tracked the system as TOI-561 b completed nearly four full orbits, a record that offers a rare glimpse of how its brightness varies along the way. With that volume of data, the team is now analyzing how the temperature changes around the planet and what clues it provides about the composition of its atmosphere. This set of data, still being analyzed, points to a more complex world than was intuited in the first observations. The case of TOI-561 b shows that even the most extreme worlds can hold surprises. Far from just a scorched rock, Webb’s observations describe a dynamic system in which magma, atmosphere, and stellar radiation interact in ways we don’t yet fully understand. As Johanna Teske points out, “What’s really exciting is that this new data set It’s opening even more questions than it’s answering.“The research continues, and each new analysis seems to confirm that this planet belongs to a category that we are only beginning to know. Artistic images | POT In Xataka | We already know when the interstellar comet 3I/ATLAS will be closest to Earth and what’s … Read more

a maneuver that aims to cut ground on Google’s Gemini 3

In the race to lead the development of artificial intelligence, the pace has become a succession of linked movements. GPT-5.1 arrived on November 12an update aimed at polishing the experience and keeping users satisfied. Just a few days later, on November 18, Google responded with Gemini 3an evolution of its star model that left very good feelings among those who began to try it. As a result of that launch, rumors began to circulate: the startup led by Sam Altman had activated a supposed “code red” when seeing how its direct rival was taking advantage. And this seems to be the first result of that internal movement. Not even a month has passed since the previous update of its flagship model and GPT-5.2 is here. The promise here is to solve some known problems, decrease latency and gain reasoning. An evolution within the 5 series. GPT-5.2 appears as a version designed to boost knowledge work, with advances in coding, vision, document analysis and multi-step projects. OpenAI incorporates it as the direct evolution of GPT-5.1, not as a generational leap. According to the company, the update improves the management of long contexts, reduces errors and increases the ability to coordinate tools. More differentiated layers of use. In GPT-5.2, the three usual variants are somewhat more differentiated in their use, not because of new functions, but because of the way in which they integrate the improvements announced by OpenAI. Thinking absorbs much of the progress in reasoning, handling large documents, and coordinating tools. Pro raises the bar in specialized tasks, especially in code and technical calculations. Instant, for its part, benefits from more stable explanations and a reduction in errors. The result is a clearer separation between everyday tasks, complex jobs and expert needs. A visible improvement in multiple evaluations. OpenAI presents figures that show GPT-5.2 ahead of GPT-5.1 in very different areas, from scientific reasoning to programming and knowledge tasks. In GDPvalthe assessment that measures well-specified jobs in 44 occupations, the model achieves 70.9% wins or draws against human professionals. In GPQA Diamond It rises to 92.4% and in AIME 2025 it achieves 100%. The trend is repeated in technical tests such as FrontierMath either ARC-AGIwhere performance is also increased compared to the previous version. The improvements are seen when moving from figures to day-to-day tasks. In internal evaluations of financial analysts’ own work, such as three-state modeling or leveraged buyout simulations, Thinking raises its average score from 59.1% to 68.4%. The company also promises advances in generating spreadsheets and presentations with a clearer structure. In addition, companies such as Notion, Box, Shopify or Harvey, according to OpenAI, have observed improvements in long-range reasoning and in the use of tools in their own workflows. If these results are consolidated in real environments, they could reduce manual work in processes that require precision and consistency. A more stable environment for developers. GPT-5.2 Thinking, they say, achieves higher performance in demanding software tests, especially those that evaluate the ability to apply complete and consistent changes in real projects. The company indicates that the model better coordinates sequences of steps, something that is reflected in internal evaluations and feedback from platforms such as Windsurf or Charlie Labs. Fewer errors in sight. OpenAI claims that GPT-5.2 Thinking reduces the frequency of responses with errors by around 30% relative to GPT-5.1. This is an improvement that they associate with more stable reasoning and a greater ability to detect errors before generating the final response. The company also points out advances in the management of sensitive situations, such as conversations linked to emotional distress or mental health. Although he remembers that the model is still imperfect, he maintains that these adjustments contribute to a more reliable experience in everyday use. Where you can use GPT-5.2 today. OpenAI indicates that GPT-5.2 will begin rolling out to ChatGPT for paid plans, including PlusPro, Go, Business and Enterprise. In the API, GPT-5.2 Thinking is available as gpt-5.2 and the Instant version appears as gpt-5.2-chat-latest. The company has also promised to keep GPT-5.1 for three months on ChatGPT before removing it from paid plans. In terms of pricing, GPT-5.2 stands at $1.75 per million input tokens and $14 per million output tokens, more expensive than GPT-5.1, although OpenAI maintains that its greater efficiency reduces the final cost in demanding tasks. Images | OpenAI In Xataka | OpenAI knows that it needs to continue generating memes and virals. That’s why she’s willing to pay Disney a lot of money for her content.

In 1965, a notary bought an apartment of bare ownership from a 90-year-old owner. The old woman was already living her second life

In 1965, in the picturesque city of Arles, in the south of France, the notary André-François Raffray believed he had found a bargain to invest. Jeanne Calment, a 90-year-old widow and no heirs owner of a large apartment in the historic center of the town, was willing to reach an agreement to sell her housing in exchange for a life annuity and to be able to live in it until his death. With the statistical data in hand, the purchase of the apartment was going to be a bargain for the notary, so he did not hesitate to reach an agreement with the elderly owner. What the young notary did not expect is that it was going to be the worst deal of his life: the old woman had a bombproof geneticsor at least that’s what everyone thought. The deal was a bargain, but not for who it seemed The purchase agreement was simple in its approach: Raffray would pay 2,500 francs per month to Calment (an amount equivalent to about 380 euros per month). until the death of the old woman (who we remember was already 90 years old), after which the property would be fully his. This type of contract (known in France as traveler) is based on the bare property. This legal concept establishes that the buyer acquires the right to property without enjoy the usufruct until an uncertain event occurs, in this case the death of the saleswoman. That is, it is like a deferred purchase in which a certain immediate payment is established and the seller can use the property until his death. The buyer then takes possession of the property. Given this condition, the price of the investment is considerably lower than the market value, since it is not available immediately. That reduction in the initial price has shot the number of operations that have been growing at a double-digit rate since the pandemic. According to published data by Expansionin 2021, this type of operations grew by 22.6%, 23.7% in 2022 and 11.3% in 2023. For a 47-year-old buyer like Raffray, that seemed like a smart move and a very low-risk investment. In 1965 and with the life expectancy statistics much smaller than the current ones, Raffray assumed that Calment would live perhaps a few more years and that the total amount he would pay would be less than the market price of the apartment. A saleswoman with a lot of attachment to life However, what seemed like an operation with few unknowns turned into a financial nightmare for Raffray. Jeanne Calment, the elderly nonagenarian, not only lived beyond any reasonable expectation at that time, but his longevity surpassed all calculations. Officially, Calment died in 1997 at the age of 122 years and 164 days. as he collected The New York Times. That is why he entered the Guinness Book of Records as the oldest person recorded to date, It’s also bad luck for Raffay. Raffray, in turn, died in 1995 at the age of 77, 30 years after signing the contract with Calment. Until that moment, the notary had paid fees that, together, They far exceeded the value of the property. However, after his death, his widow was forced to continue with payments to Calment, because the obligation agreed in the annuity contract only disappeared with the death of Calment, not Raffray. There was no escape. The result was that Raffray’s family ended up spending much more money than it would have cost to buy the apartment through conventional methods, without ever moving in. Calment herself, with irony, even commented in an article for The New York Times that “in life, sometimes bad deals are made.” A life worth two As expected, such remarkable longevity did not go unnoticed by science and medicine, with much interest being shown in investigating the details about the life and habits de Calment to try to reveal their secret…and boy did they do it. In 2018, a research team formed by the Russian mathematician Nikolay Zak and the gerontologist Valery Novoselov proposed a radical hypothesis: Jeanne Calment could have died in 1934. The Calment who had signed the bare ownership contract with André-François Raffray could be Yvonne Marie Nicolle Calment, daughter of Jeanne Calment who, supposedly, had died of pleurisy on January 19, 1934. The hypothesis was that Yvonne would have impersonated his mother’s identity to avoid paying inheritance taxes. That artificially “extended” the longevity of his mother, who was actually living two lives under the same name. This theory was supported by discrepancies in ancient documents, such as differences in physical characteristics between historical records and by comparing photographs of Yvonne and the supposed elderly Calment. So it was not only a fraud to avoid paying taxes, Raffay was also victim of deception. However, there is no scientific consensus on this version. Subsequent research by a team of Swiss and French demographers and historians, published in it Journal of Gerontologythey discard the hypothesis of fraud and maintain that, statistically, Calment could live to be 122 years old. In Xataka | There is a ‘good’ fat that hides a secret to aging better and being in shape. All that remains is to get the pill Image | Wikimedia Commons (Emilien Barral), grg.orgUnsplash (Jakub Zerdzicki)

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