hello everyone, with you andrey derkach and these are details, the voice of america project is ready to embrace the immensity and at the same time study every little thing in the world of science, medicine and new technologies, watch today, step on the gas, we will tell you how from space.

methane emissions and how it is processed into aviation fuel. scientists have developed a pea-sized brain implant that charges wirelessly. paper house in michigan researchers have used the origami technique to build large structures. and also intact learn more about the problem of storing new generation vaccines. methane is almost worse than isol for the earth's atmosphere. its sources are various types of human activity, in particular fossil fuel extraction. for a long time, scientists were unable to accurately describe the scale of the problem due to limited data on such emissions, but this will soon change thanks to space technology. the private space company spacex has launched a satellite into orbit that uses advanced technology to measure methane emissions.

about the size of a washing machine will measure how much of this greenhouse gas has been released into our atmosphere and how that amount has changed over time. metansad is one of the first satellites to not only identify the source of emissions, but also to record how emissions change over time to... whether the situation is getting better or worse. the share of methane emitted by human activity in global warming is about 30%. it traps 28 times more heat in our atmosphere than carbon dioxide. the methane garden, spearheaded by the environmental defense fund , will initially focus on studying mining sites , the second-largest human activity

after agriculture. we have been leading efforts to study methane emissions from the oil and gas industry for more than a decade. and a few years ago, we realized that we didn’t have enough the amount of data to be able to track these emissions on a consistent basis, much less in other parts of the world. hamburg and his team developed metansad specifically to get this data and answer the question...

where emissions need to be cut and who needs to cut them to make a meaningful difference. the key here is to get high-quality empirical data that we can trust and that we can then use to better understand the problem, because until we have a clear picture of what's going on, we may not be working very effectively. metansad will provide, according to the team , the most comprehensive data set ever obtained for a single industry. in addition, over the next six months , the satellite data will be made publicly available for free. julie tabu andrey derkach specially for the program details. another source of greenhouse gases is aviation, the desire to compensate for this harm led scientists to create a technology that turns methane into jet fuel. australian researchers say they have developed a new chemical process that could produce

cleaner jet fuel from landfill gases. the scientists used non-thermal plasma technology to blast methane and carbon dioxide from landfills with high-energy electrons to create long-chain hydrocarbons, the building blocks of crude fuel. this changes our understanding of what can be done with chemistry. we can integrate these chemical processes into waste treatment systems, and in this way we achieve a synergistic effect, through which we have cheap or even free. electricity. aviation accounts for about 2-3% of the world's carbon dioxide emissions. sustainable aviation fuel is the key to reducing these emissions, but it is expensive and accounts for less than 1% of the world's total aviation fuel. the global aviation

industry is counting on increasing production of clean fuels to reach net-zero co2 emissions by 2050. it’s a rare win-win situation: on the one hand, we capture and recycle methane emissions from landfills. on the other, we have a sector that needs new technologies to become greener. the problem is methane itself, a greenhouse gas that is even more powerful than carbon dioxide. however, methane breaks down in the atmosphere in just a few years, whereas carbon dioxide is destroyed over decades. methane, which we extract

together with minerals. all household waste, all biological waste, everything that remains after water purification can be converted into energy, thus 10% of the need can be met. huge in electricity, this amount in terms of combating climate change. more news of the week further in our digest. volunteers in south africa have rescued more than 500 rare sea turtle cubs washed up on the coast near ptown after a powerful storm 2 weeks ago. people collected the injured, exhausted turtles in basins and boxes and took them to the turtle conservation center at the capital's aquarium. scientists assume that these animals were born on the north-eastern coast of south africa. then they were sucked in by the warm agulles current in the indian ocean, rounded the tip of south africa and ended up in the cold waters of the atlantic ocean near cape town. experts regretfully note that most of the rescued turtles had plastic coming out of their digestive tracts. after once the animals are treated and fed,

they will return to the ocean. and more good news for turtles: chilean plant-based food company note co. has recreated the taste of the famous delicacy, turtle soup. without using animals, using artificial intelligence. neither the ai-generated turtle meat nor the soup is currently for sale, but the company plans to host a virtual class to teach people how to make the dish. in texas, aurora innovation said, that it intends to have 20 fully automated driverless trucks on the state road by the end of the year. the 40-ton vehicles will operate on a major highway. connecting dallas and houston, delivering cargo for companies such as uber, fidex and... werner, aurora's drivers are a combination of lidars, cameras and radars that allow a computer program to see the world and react to the situation on the road. many experts have already criticized the plan, noting that there are no federal regulations in the united states governing industry of unmanned transportation.

a group of scientists from the usa, sweden and great britain managed to solve the half-century-old mystery of the appearance and disappearance of a giant hole in the ice sheet of antarctica. for the first time, a massive polynya in the ice of the wedel sea on the territory of the submarine. years of the last century, since then it has repeatedly disappeared appeared, having analyzed satellite images, data from floating autonomous instruments from special sensors that were attached to the heads of seals, and also using computer modeling, scientists have finally solved the riddle of the modrai, the formation of a giant polynya is caused by the exman spiral effect, which is accompanied by turbulent mixing in the surface layer of the ocean, as a result of which in a thick crust of ice on... great britain and the united states, this week a campaign was launched, addressed to gardeners and lawn owners under the slogan may without lawn mowers. scientists note that it is in this month that people should give

nature a break and not mow their lawns at the time of the most intensive grass growth and flowers. research has shown that if you do not interfere with the flora in may, the fauna will also rejoice. hungry winter, and many other useful pollinating insects will receive more of the food they need in the first months after birds, butterflies, bees, and plants and flowers - a good start before the trials of summer heat. a chip the size of a pea was developed by scientists in houston to treat depression and other mental illnesses. the essence of the therapy is to place such a pea in the brain, affecting its various areas using electrical impulses. it is noteworthy that the device receives energy for its operation wirelessly. details from andrey tsvetkov. every year, the implanted device becomes. smaller, while they retain their functionality. rice university engineers were able to make a miniature implant

by eliminating the need to use batteries in it. they deliver energy to the device wirelessly. dot - this is the name given to the device. this is the world's smallest electrical brain stimulator, ever implanted in a human. the abbreviation dot is a characteristic of the device, which stands for digital approgrammable overbrain therapeutic. digital, programmable, over-the-brain and therapeutic. it can help. cope with a number of mental illnesses, against which medications may be powerless. the device we have developed is an opportunity to avoid another visit to the clinic for a session of electrical stimulation of the brain. now treatment can be provided in such a way that it does not interfere with your lifestyle. we made this possible by miniaturizing all the electronics in a device about the size of a pea. to the patient, which means that a second operation to service the battery replacement device,

which also carries risks, will not be required. by the way, no surgical intervention will be required, even during the initial implantation of this pea. instead of surgery, the procedure will be performed in a specialist's office, which will take only 30 minutes and will not require subsequent recovery in a hospital or beyond. the patient can go home immediately after the procedure. the device is not implanted in the brain at all, but is placed under the skin in the bone, activating. so we had to try to make something small enough that it could

be implanted in the skull without being noticed. we had to find another solution for power, and a material that was developed in my lab at rice university allowed us to wirelessly transmit power from the wearable device to the implant. this material converts magnetic fields into electrical impulses. the energy conversion process is very efficient on a miniature scale and has good resistance to displacement, which means there is no need for complex or delicate maneuvers to activate and control the implant from the outside. at just 9 mm wide, dut can deliver 14.5 volts of stimulation . the device will be used to treat drug-resistant depression, but that is not the only condition it can treat. the energy transfer is effective, you just need to put on a wearable device, it looks like you are putting on a painless cap. this painless cap connects to your implant in the same way that your airpods can connect

to a wireless charger. you connect the cap to the device, activate the device in the app and you can get therapy anywhere. even when you are sitting on the couch watching netflix. you can say that we are developing a universal therapeutic interface (brain computer), so if we can help someone cope with depression, i am convinced that we can also help people suffering from ocd, increased anxiety. the art of folding paper figures made the imagination and researchers at the university of michigan work.

as a result, the concept of origami of much larger sizes appeared, from which impressive structures such as bridges or canopies can be created. why this has become possible right now, we will find out in the next story. origami is, first of all, working with paper, but the mechanical principles that are embedded in this work made scientists ask the question: huh? over the past 10 years, i have tried various approaches here, specifically this publication in nature communications demonstrated a new method for increasing the thickness of the regami. this allowed us to create a rigid and durable structure that can be used in architecture and construction. the obvious solution that would allow origami to be scaled up is to increase the thickness of the sheet or panels.

many have tried to do this without success researchers, but scientists at the university of michigan. managed to figure out which principle works best. we were able to distribute the thickness evenly in one layer along the entire load axis, and it is really important that it all goes along one line. in previously used methods, one layer was usually partially overlapped by another, which created a problem with load distribution. another important point of the technology is the possibility of reusing the structure, or rather the panels from which they are made, that is, the bridge made of charges can be disassembled to create, for example, a bus stop. in the initial state, the system is very compact, then we deploy it in a certain way, lifting the panels, connecting them with hinges. if we need to change the configuration, we pull the structure out in other places.

in our tests, we did this manually, but in some situations , cranes can also be used for this. the strength that scientists managed to achieve turned out to be impressive. the column used weighs 18 kg could withstand a load of 2 tons, and the four-meter bridge easily supported five people at a time. to test our concept, we made everything out of medium-density fiberboard. basically, it's plywood, a readily available and cheap material. we then fastened the panels together with metal hinges, but our method, all our. processes are material-independent, if you really want to build a bridge or a building, you can use any material, steel, aluminum, other types of wood, plastic, or whatever. for this study, the team designed several objects that were no larger than 4 m. theoretically, it is possible to create a structure 2

or 3 times larger. before that, you need to think about whether you can organize the work of several cranes. the original idea was that these are small modules, compact, they are all the same, but they can be deployed and connected into a more complex system. thus, there is a modular aspect to the overall assembly. the application of this development can be very diverse, from the rapid creation temporary concert venues to rebuild infrastructure after natural disasters. these modules could be a way to quickly rebuild damaged structures or be used in remote areas, deserts or military installations. even more exciting is the construction of objects in space, say on the moon or mars, and origami structures could replace some of the processes in modern construction. i don't think we'll build our entire buildings using these principles, but they

some elements can be replaced, such as ceilings, floors or walls. scientists plan to make their method even more convenient and faster, for example, by improving connectors, testing new materials, and thinking through the stage preceding the direct deployment of the structure on site. all this, according to scientists, will reduce the time it takes to build a four-meter bridge to 5-10 minutes. andrey derkach, yuriy zakrevsky, especially for the program details. creating a vaccine or medicine is only half the journey. to someone who needs them. the second half is to ensure that medicines have a sufficient shelf life. without this area of ​​pharmacology , people would not have wide access to medicines, in particular to such technology as mrna. alexei gorbachev was inspired by this important topic. without vaccines, medicines and therapies, humanity

would be completely different, and the structure of our civilization could be shaken. however, in order for medicines to remain effective, they must not only properly manufactured according to a certain formula, but also stored according to certain standards. dr. elizabeth top of purdue university has dedicated her career to studying the stability of pharmaceuticals and preventing their degradation. when mrna vaccines began to be manufactured during the pandemic , the first vaccine was from fizer. everyone knew about these huge warehouses with freezers tens of meters long, where vaccines were stored at ultra-low temperatures of -80°. the thing is, that vaccines based on rna are very easily broken down and lose their effectiveness, so the drug needed to be handled

and stored at a particularly careful temperature, says dr. top. the fazer and moderna covid vaccines are based on mrna. this means that they use messenger rna, which is similar to the dna in our cells. the difference between the structure of dna and rna is. this element is repeated many times, which is what distinguishes rna from dna. because of this atom oxygen, rna must be stored at -80°c, or the vaccines would not survive by the time they reach the people around the world who need them. top and her colleagues are exploring ways to temporarily alter the chemical structure of mrna to prevent it from degrading. in particular, the scientists have discovered that the fragile mrna molecules must be encased in a fatty shell

called lipid nanoparticles, like the shell that surrounds an egg; these lipid nanoparticles help protect the mrna, and then ensure that it gets into the patient's cell, after which the lipid nanoparticles begin to break down, releasing the mrna already in the body. according to top, she is constantly asked why science cannot create drug molecules that do not break down.

the fact is that such eternal molecules exist, but they are often harmful to humans, because doctors need pharmaceuticals to eventually break down in the body, they remain there forever. if we are talking about technologies for creating more stable mrna, then obviously one of the things we are looking at is mrna vaccines. as we all know, advanced mrna vaccines were first used to treat covid-19. they opened the door for all types of mrna vaccines. among other mrna vaccines, there are cancer vaccines, and while it may seem strange to talk about cancer vaccines, there are vaccines that treat cancer, not just prevent it. this class of mrna molecules belongs to a larger class of molecules with a similar structure. rna. some of them are quite small, called oligos

or oligonucleotides. others are medium-sized. if we learn to stabilize large molecules, then the same technologies should be useful for small and medium molecules. these technologies can be used to produce drugs used to treat various infectious diseases and cancer. the researcher emphasizes that her team is interested in pharmaceuticals precisely because they are not constant, unstable. according to her, if a flower blooms forever, then it is no longer nature, it is plastic, and some medicines that modern science works with are distinguished by the same fragility as flowers. alexey gorbachev, sergey dagotar, especially for the program details. these were details, once again we will look together into the world of the future, already in a week, while,

most of the time, i spent at home, because of this i became a sociophobe, yeah. the hotel is an ideal place to overcome anxiety, if you say no to the client, or i don't know, you will be fired immediately. tourists come to relax, unwind, unwind, they don't come to look at the sour stuff, a kilometer from the republic square there is a district called, informal buildings. in the very center of yerevan, so informal that the city authorities can only estimate the number of people living here at approximately 4,500 people.

the powerful inhabitants of the megapolis avoid this district, and we will tell you now. this is a live broadcast, current time tv channel. hello. we asked our viewers to write why they watch us. you tell the truth, that's the main thing. i'll say more, you've become the only media outlet i trust. you've become an island of common sense, honesty, prudence, justice, mercy for me, thank you for the objective information, you tell the news in an interesting way and as it is. you offer not only news, but also many other formats, documentaries, reports, interviews and analytical programs.

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i him, as i saw, it was simply scary to look at him, he was hunched over, with black faces, with glaring eyes, they took a stun gun, then kicked me in the genitals, then with a machine gun, then on the knee, again with the same thing, if you want to live as a slave, if you don't want to, you won't live, they took us to crimea by... he did a gynecological examination, passed some test, said that i have fibroids, they told me that i have cancer cells, they said that i need to remove my ovaries, i had no choice, they intentionally sterilized me.

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i remember looking at all these cow fields, i was 19 years old, and i thought to myself, wow, there is so much in the world that...