Half a year ago we discovered oxygen in one of the most remote places on the planet. Now we want to know more

A few months ago we knew the news of the discovery of the so -called “dark oxygen.” This oxygen form has little extraordinary from the chemical point of view: these are conventional oxygen molecules. What is not conventional in this dark oxygen is its formation process. A new project. Now, the team that announced the discovery of dark oxygen has announced a new project linked to the presence of these mysterious molecules in the oceanic depths. The objective of this new project is to answer some of the questions raised after the finding, especially the question of whether this process was given in various areas of the oceanic fund. “Our discovery of dark oxygen was a change in the paradigm of our understanding of the depths of the sea and potentially of life on Earth, but threw more questions than answers,” explained in a press release Andrew Sweetman, who will lead the new project. International collaboration. The new project is the result of the cooperation of two intitions, the Japanese Nippon Foundation, in charge of financing the project with a contribution of two million pounds; and the Scottish Association for Marine Science (Sams), an institution that will lead the investigation. Dark oxygen. Let’s recap, dark oxygen? This concept was popularized last year to refer to molecular oxygen found in the depths of the oceanfar from the sun’s rays, hence the “dark” appellation. Until now, the dominant hypothesis is that oxygen is only formed on our planet through photosynthesis, a phenomenon dependent on the energy emitted by our star. The presence of oxygen in a place where photosynthesis is impossible and separate from surface marine currents, opened the search for alternative hypotheses that explained the presence of these molecules in the inhospitable environment. The response of the team responsible for the finding was in the metals that can be found in the seabed, which, according to this hypothesis they would be generating these molecules through electricity, that is, thanks to electrolysis. Verifying the hypothesis. The new project could serve to verify this theory, questioned by the mining industry, and to explore alternative hypotheses that explain the unexpected presence of oxygen in this environment. Hypothesis like that of radiolysisthat is to say the possibility that it is the radiation that, directly or indirectly, is triggering the process. The team also wants to explore if the processes that generate this dark oxygen They also release hydrogenas well as if this element is used as a source of energy by the bacterial communities that inhabit this area of ​​the ocean. In addition, the study could help us better understand the impact that climate change could have on these ecosystems. Conversations with NASA. The American space agency, NASA, has also shown interest in expanding our knowledge about dark oxygen, those responsible for the project say. “We are already in conversation with NASA experts who believe that dark oxygen could rebuild our understanding of how life is sustained on other planets without direct sunlight,” Sweetman added. Dark oxygen can also help us better understand how oxygen arose on our planet, providing us with information about the emergence of life on earth. Life and oxygen are inseparable concepts, but we do not know completely how this relationship was forged. In Xataka | When it seemed that the controversy of underwater mining was appealing, the discovery of black oxygen threatens to reactivate it Image | Biocyan Campaign

Scientists discovered two objects in our galaxy that they are not able to explain

Japanese astronomers have found two objects in our galaxy that defy all known logic. Although they are the size of typical stars, these bodies are predominantly composed of ice, a feature that does not fit current models of star formation. The discovery has surprised the scientific community, as it raises questions about its origin and if it really They could represent a completely new type of starnever before observed. These objects They have unusual characteristics that make their classification difficult.. Its size is comparable to that of white dwarfs or neutron stars, but its icy composition contradicts any previously documented phenomenon. Some researchers suggest they could have formed in extremely cold regions of spacewhere conditions allowed ice to accumulate on a massive scale. Others consider the possibility that they are remnants of ancient star systems that underwent radical transformations. A new type of star? The discovery of these icy bodies has given rise to an exciting hypothesis: are we facing a new type of star? Conventional stars, whether made of hydrogen, helium or denser compounds, do not have ice as a dominant component. This phenomenon suggests that there must be unknown cosmological processes that allow the formation of these objects. Astronomers still don’t have definitive answers, but They plan to use advanced telescopes to analyze its composition in depth and behavior. Spectroscopy could reveal key information about the presence of other elements and the temperature of these structures. On the other hand, scientists believe that understanding the galactic environment in which these bodies were found could also offer crucial clues. The discovery not only represents a challenge to current theories, but also a opportunity to expand our understanding of the universe. If it is confirmed that these objects are a new type of star, it will be necessary to rethink the foundations of modern astrophysics, opening the door to future research and possibilities in the exploration of the cosmos. Keep reading:• NASA managed to capture live the moment a planet disintegrated• NASA discovers new evidence of the presence of water on Mars• NASA astronauts have been “stranded” in space for 6 months

The atlas of side effects (positive and negative) of Ozempic discovered | Health and well-being

All medications have side effects, just take a look at any leaflet to see this. But there are not many cases in which these amount to the main effect. This is what happened a few years ago with GLP-1 agonists, medications used for decades to treat type 2 diabetes that began to demonstrate weight-loss effects. After several reformulations, new commercial brands, such as Ozempic and Wegovy, became an effective way to end obesity. But science is proving that there are many other side effects that could become major ones. GLP-1 is a molecular Swiss army knife, a kind of all-purpose drug. They affect our bodies in ways we still don’t fully understand. But today we are closer to listing. A team of scientists from the University of Washington School of Medicine has published the first detailed atlas of the side effects of these drugs. They have found benefits for cognitive and behavioral health, while revealing an increased risk of developing pancreatitis and kidney conditions. “Until now we had seen anecdotes and reports here and there. “Some people saying that it can affect this or that,” explained its main author, the clinical epidemiologist, in the presentation of the study. Ziyad Al-Aly, from the John J. Cochran Veterans Hospital. “But no one, no one had thoroughly investigated the effectiveness and risks of GLP-1 and all the ways it can affect health.” The study was published this Monday in the journal Nature Medicineshowcase of the best world science. More information “We did an analysis that comprehensively mapped the associations between GLP-1 and 175 potential health effects,” Al-Aly notes. The benefits, beyond weight loss, included a lower risk of substance use disorders and a reduction in suicidal ideation, schizophrenia, and other psychotic disorders. They also observed a reduction in cognitive disorders, such as Alzheimer’s and dementia. And finally, a reduction in the risk of clotting disorders, including stroke. “We found that these drugs have a wide range of beneficial effects, but all this does not come without risks,” warns the expert. The study confirms that, in some cases, they can cause gastrointestinal problems, such as nausea and vomiting. This is quite common and has already been documented in some patients. An increased risk of gastroparesis or stomach paralysis in rare cases and an increased risk of low blood pressure have also been seen. The analysis also notes that the drug may increase the risk of sleep problems and headaches, kidney stones, and drug-induced kidney inflammation. For these reasons, the authors recommend that, when evaluating this treatment, it should always be done under medical supervision and after an individualized analysis. “It is an observational study, although it has a large database and has been carried out for a long time,” he explains. Christopher Moralesan endocrinologist at the Virgen Macarena University Hospital in Seville, who was not involved in the study. The study does not demonstrate, therefore, that the medication is the cause of the listed effects. But these are consistent enough (risk reduction between 10 and 20%) and the database large enough (almost two million patients over three years) to think there is a direct relationship. “With Big Data you can scrape these results in very large databases and this is positive. But we must remember that here we can only verify association, not causality.” The objective of this research, in the words of its own authors, was not to analyze a specific effect and demonstrate causality, but to build an atlas of the association of risks and benefits of this relatively new medicine. “It’s like when Christopher Columbus arrived in America, and he thought about mapping it to get his bearings,” explains Al-Aly. “This is what we are doing, drawing a landscape of benefits and risks.” This opens the door to the possibility that in the future, after many reformulations and research, we can talk about an Ozempic for dementia, alcoholism or Alzheimer’s. There is still a long way to go, but this study has drawn a first map to locate the path. And there are many companies willing to embark on this adventure. There is currently a scientific and commercial race to find the next revolutionary use of GLP-1 agonists. Everyone has in mind the case of Novo Nordisk, the Danish laboratory that presented Ozempic in 2018, and which today has a stock market capitalization of 382,000 million dollars, which makes it the largest company in Europe. This has enormous business and economic implications, but from the scientific world, the question is different. How does an anti-diabetes drug have so many and varied effects? “Medicines don’t work surgically. They are designed to do one thing, but the reality is that this is almost never the case,” reflects Al-Aly. “Biology is complex and multiple, and if you touch one thing you will create a network of various effects.” GLP-1 acts on the intestine, but also on the brain, affecting areas that are involved in impulse control and reward signaling. This would explain why they help mitigate addiction problems. These medications would also affect the blood vessels, and in doing so have a potential effect on the heart. There is research that suggests that they also reduce inflammation, including that of the brain, which could explain their protective effect against neurodegenerative diseases. “But there is also another simpler theory that can explain all these positive health effects,” explains Al-Aly. Obesity is considered a disease in itself, but also the gateway to many others. It is the fifth risk factor for death in the world and every year 2.8 million adults die as a result of this condition. “When we treat obesity, it is normal that this affects other diseases, since it is the mother of them all,” summarizes Al-Aly. The expert has not yet decided, with the available scientific evidence, on which of these two theories has more force. The first would mean that we are talking about a miracle drug with multiple uses. The second would be less profitable for companies, would fill … Read more

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