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ScienceDaily: Top News |
| Multiple sclerosis drug improves memory in mice modeling Alzheimer’s disease Posted: 05 Nov 2021 12:05 PM PDT Researchers found that glatiramer acetate, a prescription drug currently used to treat patients with multiple sclerosis, improved memory in a mouse model of Alzheimer's disease. |
| Scientists identify mechanism that may influence infectivity of SARS-CoV-2 variants Posted: 05 Nov 2021 12:04 PM PDT Scientists have found that a process in cells may limit infectivity of SARS-CoV-2, and that mutations in the alpha and delta variants overcome this effect, potentially boosting the virus's ability to spread. |
| When macrophages let off steam Posted: 05 Nov 2021 12:03 PM PDT New data shows how inflammatory reactions can be resolved by changes to the metabolism of macrophages. Danger signals released by damaged cells during inflammation play a role during this process. 'Rewiring' the mitochondria in the macrophages protects them against overloading and can thus improve the way in which parts of damaged cells are eliminated and resolve the inflammatory reaction. |
| Wind and solar could power the world’s major countries most of the time Posted: 05 Nov 2021 10:46 AM PDT With the eyes of the world on the United Nations COP26 climate summit in Glasgow, Scotland, strategies for decarbonizing energy infrastructure are a trending topic. Yet critics of renewables question the dependability of systems that rely on intermittent resources. |
| Electron family creates previously unknown state of matter Posted: 05 Nov 2021 10:46 AM PDT Researchers have demonstrated a completely novel state of matter in a metal. It is created by the combination of four electrons -- until now, only electron pairs were known. This discovery could lead to a new type of superconductivity, an entirely new research direction, and revolutionary technologies such as quantum sensors. |
| How cells correctly choose active genes Posted: 05 Nov 2021 10:46 AM PDT It is essential for cells to control precisely which of the many genes of their genetic material they use. This is done in so-called transcription factories, molecular clusters in the nucleus. Researchers have now found that the formation of transcription factories resembles the condensation of liquids. Their findings will improve the understanding of causes of diseases and advance the development of DNA-based data storage systems. |
| New strategy against treatment-resistant prostate cancer identified Posted: 05 Nov 2021 10:46 AM PDT A new study has identified an RNA molecule that suppresses prostate tumors. The scientists found that prostate cancers develop ways to shut down this RNA molecule to allow themselves to grow. According to the new research -- conducted in mice implanted with human prostate tumor samples -- restoring this so-called long noncoding RNA could be a new strategy to treat prostate cancer that has developed resistance to hormonal therapies. |
| Comparing photosynthetic differences between wild and domesticated rice Posted: 05 Nov 2021 10:46 AM PDT In a new study, researchers compared domesticated rice to its wild counterparts to understand the differences in their photosynthetic capabilities. The results can help improve future rice productivity. |
| Experts master defects in semiconductors Posted: 05 Nov 2021 10:46 AM PDT Researchers have discovered a novel way to manipulate defects in semiconductors. The study holds promising opportunities for novel forms of precision sensing, or the transfer of quantum information between physically separate qubits, as well as for improving the fundamental understanding of charge transport in semiconductors. |
| Lighting up chemical reactions for sustainable drug production Posted: 05 Nov 2021 10:45 AM PDT Researchers have discovered a new approach for using visible-light to structurally modify bioactive molecules in chemical reactions, providing a possible sustainable alternative to traditional methods that could be used in the design and production of new medicines. |
| Increasingly frequent wildfires linked to human-caused climate change Posted: 05 Nov 2021 08:43 AM PDT A new study strengthens the case that climate change has been the main cause of the growing amount of land in the western U.S. destroyed by large wildfires. And researchers say the trend is likely to worsen. |
| Save the planet (and your health) by steering clear of sweets and pastries Posted: 05 Nov 2021 07:38 AM PDT Need another reason to cut back on sugary foods and drinks, apart from an expanding waistline? They're not helping the environment, contributing to a higher cropland, water scarcity and ecological footprint, according to a new review. |
| Researchers detect a diffusion barrier inside fly brain Posted: 05 Nov 2021 07:37 AM PDT A team of researchers has now demonstrated the existence of an internal diffusion barrier in the brain of fruit flies - in addition to the already known blood-brain barrier. |
| SARS-CoV-2 variant detected in dogs and cats with suspected myocarditis Posted: 05 Nov 2021 05:41 AM PDT A new study reveals that pets can be infected with the alpha variant of SARS-CoV-2, which was first detected in southeast England and is commonly known as the UK variant or B.1.1.7. |
| Just a game? Study shows no evidence that violent video games lead to real-life violence Posted: 05 Nov 2021 05:41 AM PDT As the latest Call of Duty video game is released in the UK today, and with Battlefield 2042 and a remastered Grand Theft Auto trilogy to follow later this month, new research finds no evidence that violence increases after a new video game is released. |
| New insights into kidney disease with tropical frog models Posted: 05 Nov 2021 05:41 AM PDT Using cutting-edge genetic engineering, researchers have developed a model to study hereditary kidney disease with the help of tropical frogs. The method allows them to collect large amounts of data on anomalies, which can then be analyzed using artificial intelligence. The research opens up new opportunities in the search for new treatment approaches for the hitherto incurable disease. |
| Polymer-coated nanoparticles to promote drug delivery to the brain Posted: 05 Nov 2021 05:40 AM PDT Researchers are optimizing polymer-coated nanoparticles to increase their permeability across this barrier and consequently the delivery of encapsulated drugs in the brain. |
| Bood metabolites associated with coffee consumption may affect kidney disease risk Posted: 04 Nov 2021 02:12 PM PDT Researchers have identified several metabolites in the blood whose levels are altered by coffee consumption. Levels of 3 of these coffee-related metabolites were significantly associated with individuals' risk of developing chronic kidney disease. |
| Posted: 04 Nov 2021 01:26 PM PDT Researchers have developed a control framework that enables robots to understand what it means to help or hinder one another and incorporate social reasoning into the tasks they are accomplishing. |
| Repurposing carbon dioxide may be key to net-zero emissions Posted: 04 Nov 2021 01:26 PM PDT While only a mere 4% of the atmosphere, carbon dioxide plays a vital role in sustaining life on our planet. However, if this delicate balance is disrupted, excess carbon dioxide can pose a formidable threat to our environment and the living beings that reside within. |
| Radiocarbon is key to understanding Earth’s past Posted: 04 Nov 2021 11:08 AM PDT Radiocarbon records are critical to understanding the history of Earth's climate, magnetic field, and the Sun's activity, say researchers. |
| What sponges can tell us about the evolution of the brain Posted: 04 Nov 2021 11:08 AM PDT What can sponges tell us about the evolution of the brain? Sponges have the genes involved in neuronal function in higher animals. But if sponges don't have brains, what is the role of these? Scientists imaged the sponge digestive chamber to find out. |
| Cutting ammonia emissions is a cost-effective way to prevent air pollution deaths Posted: 04 Nov 2021 11:07 AM PDT Tackling pollution from the emission of nitrogen compounds, particularly ammonia, could reduce many of the 23.3 million years of life that were lost prematurely across the world in 2013 due to nitrogen-related air pollution, an international study has discovered using a modeling framework. |
| Lake’s radioactivity concentration predicted for 10,000 days after the Fukushima accident Posted: 04 Nov 2021 08:53 AM PDT Researchers investigated the long-term contamination of Lake Onuma in Japan resulting from the 2011 Fukushima Daiichi nuclear disaster. They devised a formula based on a framework known as the fractional diffusion model to predict the radioactive contamination of the lake for up to about 30 years after the Fukushima accident. The results suggest that the decrease in radioactivity concentration will be slower than predicted by the conventional two-component decay function model. |
| Novel tag provides first detailed look into goliath grouper behavior Posted: 04 Nov 2021 07:06 AM PDT A new study reveals detailed behavior of massive goliath groupers. Until now, no studies have documented their fine-scale behavior. What is known about them has been learned from divers, underwater video footage, and observing them in captivity. Using a multi-sensor tag with a three axis accelerometer, gyroscope and magnetometer as well as a temperature, pressure and light sensor, a video camera and a hydrophone, researchers show how this species navigates through complex artificial reef environments, maintain themselves in high current areas, and how much time they spend in different cracks and crevices -- none of which would be possible without the tag. |
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