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Biologists have found a protein that slows the development of Alzheimer's disease
2021-07-15 11:37 Molecular biologists have discovered that the rate of development of Alzheimer's disease directly depends on how much of the immune system signal protein interleukin-3 is located in the brain tissues. The main sign and possible cause of the development of Alzheimer's disease is the accumulation of beta-amyloid protein inside brain cells. It is a fragment of the APP protein, which plays an important...
An ancient inhabitant of a cave in the Caucasus turned out to be a carrier of the gene of the modern Western Eurasian population
2021-07-14 12:18 An international team of scientists has identified DNA from the soil in a Georgian cave. Thanks to this, the researchers were able to restore the human genome at the age of 25 thousand years, without having any skeletal remains. The Satsurblia cave in the west of Georgia was inhabited by people in different periods of the Paleolithic. However, the remains of only one human individual were found in it, dati...
Match matters: The right combination of parents can turn a gene off indefinitely
2021-07-13 18:02 Evidence suggests that what happens in one generation--diet, toxin exposure, trauma, fear--can have lasting effects on future generations. Scientists believe these effects result from epigenetic changes that occur in response to the environment and turn genes on or off without altering the genome or DNA sequence. But how these changes are passed down through generations has not been understood, in part, be...
Engineers have put tens of thousands of artificial brain synapses into one small chip
2021-07-12 08:46 MIT engineers have developed a chip the size of a piece of confetti, which consists of tens of thousands of artificial brain synapses. The latter are also known as mac memristors, they simulate the process of transmitting information to the human brain, only it all happens on a small piece of metal. Information about the new development was published in the scientific journal Nature Nanotechnology.The resea...
Reliable early warning systems for natural disasters will help prevent the death of 23 thousand people a year
2021-07-11 08:37 Improving weather forecasting mechanisms and strengthening early warning systems for dangerous climate events will help save the lives of approximately 23 thousand people a year and bring economic benefits in the amount of US $ 162 billion. This is stated in a new report of the World Meteorological Organization (WMO). The first report on gaps in the field of hydrometeorology was published today. Its author...
For the first time, physicists managed to form a crystal consisting exclusively of electrons
2021-07-10 09:16 For the first time in the history of science, a group of researchers from the Swiss Federal Institute of Technology in Zurich (ETH Zurich) managed to form an exotic crystal consisting exclusively of electrons on the surface of a semiconductor material and observe it. With this achievement, they confirmed the theoretical forecast put forward about 90 years ago, in 1934, by Eugene Wigner, which throughout thi...
TSU has learned how to obtain foamed magnesium
2021-07-09 08:53 Scientists of Togliatti State University (TSU) have developed a unique method for producing porous materials from magnesium and its alloys. The Federal Service for Intellectual Property has issued a patent for the invention. Low weight and high strength, as well as excellent damping properties* are the main advantages of foam metals, which at the same time retain all the advantages of the source material. ...
Neanderthal artists? Our ancestors decorated bones over 50,000 years ago
2021-07-08 09:13 Since the discovery of the first fossil remains in the 19th century, the image of the Neanderthal has been one of a primitive hominin. People have known for a long time that Neanderthals were able to effectively fashion tools and weapons. But could they also make ornaments, jewellery or even art? A research team led by the University of Göttingen and the Lower Saxony State Office for Heritage has analysed a...
Scientists have developed a method for treating joint diseases that has no side effects
2021-07-07 10:47 Scientists of the Clinical Medical Multidisciplinary Center named after St. Luke's KFU developed and put into practice a method for the treatment of joint diseases using autologous plasma (PRP). When compared with other methods, the use of platelet-rich plasma injections showed the highest results.The study of the effectiveness of 3 methods of treatment of osteoarthritis was conducted on 128 patients divide...
UN ‘Pause’ campaign has helped slow spread of life-threatening misinformation
2021-07-06 10:33 The UN’s Pause campaign, which encourages social media and other news consumers to stop and check the validity of information they share, received a major endorsement on Thursday after a study from a leading research institute in the United States concluded that it has helped encourage the behavioural change needed to stop the spread of misinformation online. The report from the Massachusetts Institute of ...
And the monolayer is not the limit: physicists have discovered a new class of ultrathin magnets
2021-07-05 16:55 Electronic devices are getting smaller every year — the elements they consist of are also decreasing. Physicists from the Kurchatov Institute synthesized submonolayer magnetic films-ordered structures with a thickness of one atom, but significantly more sparse than a monolayer of matter. These objects represent a fundamentally new class of two-dimensional magnetic materials and can become the basis for crea...
New technology allows you to print words with the power of thought
2021-07-04 14:52 Scientists from the US state of California have created a technology that allows people to write text messages with the power of thought. They implanted several chips in a person's head that read the activity of his brain and convert it into handwritten text on the screen. It is believed that this technology will return the paralyzed people the opportunity to communicate with their relatives and the wor...
Embryos of many species use sound to prepare for the outside world
2021-07-04 12:47 It's well known that reptiles depend on temperature cues while in the egg to determine a hatchling's sex. Now, researchers writing in the journal Trends in Ecology & Evolution on May 26 say that embryos of many different animal species also rely on acoustic signals in important ways. They call this phenomenon "acoustic developmental programming." "Acoustic developmental programming occurs when a so...
New data has confirmed that the extinction of the dinosaurs began long before the asteroid hit
2021-07-03 16:31 Non-avian dinosaurs began to lose in the struggle for survival millions of years before the Cretaceous-Paleogene extinction, and the reason for this is the cooling and the appearance of more advanced competitors. All non-avian dinosaurs became extinct during the Cretaceous-Paleogene extinction event, about 66 million years ago. It is believed that it was launched by the fall of a massive celestial body tha...
Russian scientists used the body's own bacteria instead of probiotics
2021-07-02 14:29 Scientists of the Pavlov Institute of Physiology of the Russian Academy of Sciences and the Institute of Experimental Medicine have shown the effectiveness of using autoprobiotic bifidobacteria to normalize the intestinal microbiota in a state of dysbiosis. The widespread use of probiotics (beneficial bacteria that are usually part of the human and animal microbiota) in medical practice in recent decades h...
Singapore scientists develop novel gene editor to correct disease-causing mutations
2021-07-01 17:50 A team of researchers from the Agency for Science, Technology and Research's (A*STAR) Genome Institute of Singapore (GIS) have developed a CRISPR-based gene editor, C-to-G Base Editor (CGBE), to correct mutations that cause genetic disorders. Their research was published in Nature Communications on 2 March 2021. One in seventeen people in the world suffers from some type of genetic disorder. Chances ar...
WHO guidance on Artificial Intelligence to improve healthcare, mitigate risks worldwide
2021-06-30 09:18 Artificial Intelligence (AI) holds “enormous potential” for improving the health of millions around the world if ethics and human rights are at the heart of its design, deployment, and use, the head of the UN health agency said on Monday.  “Like all new technology, artificial intelligence…can also be misused and cause harm”, warmed Tedros Adhanom Ghebreyesus, Director-General of the World health Organizati...
Analysis of ancient DNA revealed the history of Denisova cave
2021-06-29 19:44 In a new study, an international team of scientists analyzed DNA from more than 700 sediment samples collected from the Pleistocene layers of the Denisova Cave in Siberia, and found ancient mitochondrial DNA (mtDNA) of hominins and mammals in 685 samples and 175 samples, respectively. The earliest evidence of hominin mtDNA is from Denisovans and is associated with stone tools that were deposited approximat...
International Day of the Tropics 29 June
2021-06-28 17:28 The future belongs to the TropicsThe International Day of the Tropics celebrates the extraordinary diversity of the tropics while highlighting unique challenges and opportunities nations of the Tropics face. It provides an opportunity to take stock of progress across the tropics, to share tropical stories and expertise and to acknowledge the diversity and potential of the region.The EcosystemThe Tropics are...
Ancient Fungal Parasite of Ants Found Preserved in Baltic Amber
2021-06-27 12:16 In a paper published this month in the journal Fungal Biology, a duo of paleontologists from the United States and France described a new genus and species of ancient parasitic fungus found in a piece of 50-million-year-old amber from Europe’s Baltic region. The newly-described species, named Allocordyceps baltica, is the oldest known fossil fungus of an ant. “It’s a mushroom growing out of a carpenter an...
New meteorological services in the era of climate change
2021-06-26 13:50 The Executive Council of the World Meteorological Organization has adopted a decision on the international exchange of data on the Earth system. From now on, in addition to traditional meteorological, climatic and hydrological indicators, information on the state of the atmosphere, oceans, cryosphere and space weather will be collected. The WMO stressed that this is a new meteorological service in the era o...
A unique alloy for air and rail transport has been created
2021-06-25 13:03 Scientists of the National Research Technological University "MISiS" with the participation of colleagues from the Siberian Federal University and the " SPC of Magnetic Hydrodynamics "(Krasnoyarsk) have developed a technology for producing a unique heat-resistant aluminum alloy of increased strength, which can replace more expensive and heavy copper conductors in aircraft and in high-speed rail transport. T...
Coincidence? I think so: researchers use phylogenetics to untangle convergent adaptation in birds
2021-06-24 19:18 Researchers from Skoltech and their colleagues have shown that adaptation to similar environments hardly involves similar genomic positions when species are distantly related. The team investigated recurrent adaptations of wildlife birds’ mitochondria to high altitude, migration, diving, wintering, and flight. Repeatable substitutions are rather a coincidence than adaptation, which confirms the scientific o...
Syria floods: Humanitarians working ‘round the clock’ to provide urgent relief
2021-06-23 12:38 Humanitarian staff have been working “round the clock” to reopen access roads and provide emergency relief from the disastrous impact that recent floods have unleased on displaced people living in camps in northwest Syria, the UN’s deputy humanitarian coordinator there said on Friday.  Providing shelter, food, clean water and other relief supplies is “a massive undertaking…[that] will continue for months”,...
In Europe, one in three children between the ages of 2 and 17 experiences some form of violence
2021-06-22 18:04 Millions of young Europeans are subjected to beatings and psychological pressure, including in their own homes, where they should feel safe. In Europe, one in three children experiences some form of violence. This is stated in a new report by the WHO European Office. In the last year alone, 12 per cent of children between the ages of 2 and 17 experienced violence in the European Region. Many cases of maltr...
Scientists have synthesized a unique molecule of verdazyl-nitroxyl triradical
2021-06-21 12:10 Scientists of Tomsk Polytechnic University together with colleagues synthesized a unique molecule of verdazyl-nitroxyl triradical. Only a few research groups in the world were able to obtain molecules with similar properties. The molecule is stable, can withstand high temperatures, and has promising magnetic properties. This is a continuation of the work of scientists in the search for promising organic mag...
Scientists have found out what makes a person sneeze
2021-06-20 12:40 American scientists have identified the neural mechanism of sneezing. It turned out that this process is responsible for areas of the brain that are not associated with breathing. Scientists first identified the area in the central nervous system that causes sneezing more than twenty years ago, but until now little was known about how the sneezing reflex works at the cellular and molecular level. Researche...
The toothy "hummingbird dinosaur" turned out to be an ancient lizard
2021-06-19 12:27 Paleontologists have put an end to the debate about a strange animal found in Cretaceous amber: it is not a primitive bird that still retained its teeth in its beak, but an ancient scaly lizard.Last year, Chinese paleontologists presented an amazing find — a fragment of ancient amber, which perfectly preserved the remains of one of the most miniature dinosaurs in history. The sample was dated to be about 99...
MSU biologists understand the spatial organization of protein biosynthesis in cells
2021-06-18 11:19 The staff of the MSU Research and Educational School "Molecular Technologies of Living Systems and Synthetic Biology" collected data on localized protein biosynthesis in eukaryotic cells. The study will help to understand, among other things, the formation of special intracellular structures — “virus factories”. The researchers of the Belozersky Research Institute of the Moscow State University have publis...
World Day to Combat Desertification and Drought
2021-06-17 10:37 The 2021 Desertification and Drought Day to be held on 17 June will focus on turning degraded land into healthy land. Restoring degraded land brings economic resilience, creates jobs, raises incomes and increases food security. It helps biodiversity to recover. It locks away the atmospheric carbon warming the Earth, slowing climate change. It can also lessen the impacts of climate change and underpin a gree...

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