A recent study suggests that a massive Toba supervolcano eruption destroyed the ozone layer around 60,000 years ago, contributing to a significant bottleneck in the human population. The team found that the resulting UV stress had severe effects on human survival rates, including crop failures and disease.
Researchers at UNC Lineberger Comprehensive Cancer Center have discovered a gene, OTUD7A, linked to Ewing sarcoma, a bone cancer affecting mainly children. A compound, 7Ai, has shown promise in blocking OTUD7A protein activity and reducing tumor formation in mice.
Researchers developed a new method to label histidine residues in proteins, enabling rapid and selective chemical modification. This breakthrough offers new possibilities for protein analysis and drug delivery systems.
A nationwide Swedish study found that men with a family history of prostate cancer reach the screening risk threshold up to 12 years earlier than previously recommended, suggesting personalized screening approaches. The research suggests refining age guidelines for early screening based on individual family history factors.
Researchers at DGIST have developed a novel approach to creating stable, long-lasting lithium metal batteries using ultrathin lithium particles pre-planted with LiNO3. The resulting batteries showed excellent cycling performance, retaining 87% capacity over 450 cycles and outperforming comparable cells.
A study in pig cells shows that prior infection with swine influenza virus (SIV) can protect against the development of porcine respiratory coronavirus (PRCoV), with optimal protection observed when infections occur three days apart. The findings may have implications for human coronavirus and seasonal influenza virus co-infections.
The NIH has launched a clinical trial for a novel influenza vaccine that offers long-lasting protection against multiple flu virus strains. The vaccine, known as FluMos-v1, is designed to stimulate antibodies against the HA protein using nanoparticle scaffolds.
Researchers created high-resolution maps of the virus using cryogenic electron microscopy and custom software. The 3D image revealed that an antibody binding site on CPV significantly overlapped its receptor binding site, allowing antibodies to block virus attachment and neutralize infection.
Research by University of Southampton and Central University of Jharkhand found a significant environmental improvement in major urban areas across India during the 2020 March to May lockdown. The study revealed a 12% decrease in Nitrogen Dioxide and a 40% reduction over New Delhi, with land surface temperature decreasing by up to 1°C.
Research found nearly all Indian films rated suitable for children under 12 contained alcohol imagery, with 97% of films featuring some form of alcohol reference, write the researchers. This highlights the need for stricter controls on films aimed at young people in India.
Research reveals that women entrepreneurs who identify as mumpreneurs prioritize traditional masculine behaviors over feminine traits, sacrificing personal time for business growth. This hybrid approach perpetuates existing power structures in the business world, devaluing those who choose to spend time with their families.
A study published in Nature Communications analyzed 360 million real-world ride requests from New York City and Chicago, revealing two adoption patterns that depend on demand. When demand is high, passengers are more likely to book a solo ride despite lower comfort levels.
Researchers discovered that antibody-secreting cells are formed in lung tissue after a respiratory infection, producing antibodies that fight microbes. These localized antibodies may play a key role in determining who becomes severely ill or experiences mild symptoms when infected.
Scientists have discovered that bacteria found in brackish sediments can 'eat' electricity and absorb climate-warming carbon dioxide. This unusual skill was previously thought to be exclusive to freshwater bacteria, but may be common in marine bacteria.
A new simulation platform, Advanced Modular Manikin (AMM), has been developed to realistically simulate multiple trauma scenarios, providing physiologic responses and feedback. Trauma team members preferred the integrated AMM platform for its realism and feedback, leading to higher team experience ratings.
A study published in PLOS Medicine found that people treated for opioid use disorder are less likely to find a new primary care provider within a year. This is particularly true for those receiving opioid agonist therapy, where patients are 45% less likely to secure another primary care physician.
Integration of a mobility-enhanced field-effect transistor (FET) and a ferroelectric capacitor enables the creation of high-density, energy-efficient embedded memory directly on a microprocessor. This design significantly reduces signal travel distance, speeding up learning and inference processes in AI computing.
Scientists have measured the mass of human chromosomes using X-rays for the first time, finding them to be significantly heavier than expected. The study's results suggest there may be unexplained excess mass in chromosomes, which could have important implications for understanding human health and diagnosing cancer.
A new non-shaking system was developed to reduce both vibration and shaking in transportation, protecting precision equipment and biological medical products. It combines JAXA's vibration isolation technology with Tamagawa Seiki's stabilization and anti-rocking technology.
A new study estimates global economic burden of P. vivax malaria, finding that widespread access to radical cure could reduce costs substantially and achieve elimination of the disease.
Researchers developed P-Flash, an AI-powered tool predicting flashover in burning buildings. It uses temperature data from heat detectors and shows promise in anticipating simulated flashovers, identifying unmodeled physical phenomena that can improve forecasting in real fires.
Researchers studied sediment scour and bedrock erosion in waterfall plunge pools, finding mass balance controls on these processes. Climate change was also explored during the end-Permian extinction, with a focus on the impact of chemical weathering and land surface temperature.
A new type of penile traction therapy (PTT) device has been shown to increase penile length and preserve erectile function in men who have undergone prostate cancer surgery. The device, marketed under the brand name RestoreX, works by applying gentle, dynamic pressure to stretch and shape the penis.
A space physicist from UTA is collaborating with an international team to study the impact of coronal mass ejections on earth's magnetic field and technological systems. The research aims to improve forecasting and mitigation capabilities for solar flares, which can cause widespread blackouts.
A Curtin University study finds that up to three-quarters of Western Australia's iconic Banded Iron Formations (BIF) biodiversity could be lost forever after mining. The research highlights the challenges of rehabilitating these unique ecosystems, which are home to nearly every plant species in the region.
Research finds sleep-dependent global brain activity plays a crucial role in clearing Alzheimer's disease-related toxin buildup, with weaker connection seen in individuals at higher risk or with existing disease. The study suggests this activity could serve as a future marker for clinical evaluation.
A University of Vaasa study compares the growth stories of Finnish leaders to those in Väinö Linna's novels, revealing culturally established modes of discourse that shape leadership narratives. The research highlights the importance of considering cultural heritage in leader development and education.
Researchers discovered that a Western diet high in fat and cholesterol can lead to obesity, diabetes, and Non-alcoholic steatohepatitis (NASH), which progresses to liver cancer, kidney disease, and cardiovascular disease. Switching to a normal chow diet improves NASH and liver fibrosis, prevents cancer progression and mortality.
Research identifies areas with favorable conditions for horseshoe bats carrying coronaviruses, including forest fragmentation, agricultural expansion, and concentrated livestock production in China and Southeast Asia. These hot spots are at risk of becoming even more conducive to disease transmission due to changes in land use.
A Penn-developed odor test using AI and machine learning distinguishes between cancer cells and benign tumors in blood samples. The tool achieves high accuracy rates for detecting ovarian and pancreatic cancers, showing promise as a non-invasive screening approach.
A new study reveals that winds play a crucial role in driving changes in ocean circulation patterns, particularly in the sub-polar North Atlantic. The study's findings suggest that future climate change may alter annual AMOC variability in this region.
Researchers found that smaller marine snow particles, which are abundant and sink slowly, transport more nitrogen than larger flakes. This discovery is crucial for improving Earth system models and understanding the marine nitrogen cycle.
A new study by RAND Corporation reveals that half of all patient-months of buprenorphine treatment are prescribed by just 4.9% of physicians and other providers, highlighting the potential for targeted efforts to increase medication treatment capacity in rural areas.
Researchers have developed an observational tool to assess children up to 5 years old with a concussion. The new tool catalogues known symptoms, including headaches, memory loss, and irritability, and allows for tracking of physical, cognitive, and behavioral changes over time.
Scientists from Japan and China create new materials by combining high entropy alloys with van der Waals materials, exhibiting superconductivity, magnetic ordering, and strong corrosion resistance. The discovery opens up a wide range of practical applications, including the design of heterogeneous catalysts.
A recent international study found that over 50% of adults across six countries report experiencing weight stigma, leading to negative healthcare encounters and avoidance. The study highlights the need for a global effort to address weight stigma in healthcare settings and family environments.
Protein corona formation affects cationic liposome interactions with cells, altering internalization pathways and cargo distribution. Energy-dependent endocytosis replaces initial membrane fusion.
Researchers at Tokyo Institute of Technology have developed a wirelessly powered relay network for 5G systems, addressing the challenges of flexible deployment. The proposed design is both economical and energy-efficient, leveraging high-capacity millimeter-wave frequencies to enhance 5G connectivity.
A team of researchers from Tokyo Institute of Technology and RIKEN, Japan, conducted a meta-synthesis to understand human perception and interaction with computer voices. They found that users prefer human-like voices, particularly those with high pitches and empathetic tones, and that the inclusion of vocal fillers improves interactions.
A recent study found that tens of thousands of women visited the emergency room for fibroid symptoms, with only 1 in 10 leading to hospital admission. The study suggests that many cases could have been managed in an alternative non-urgent health setting.
A new study reveals that global water reservoirs emit around 29% more greenhouse gases than previously thought, primarily due to methane degassing. Practical measures can be taken to reduce this impact, such as selectively withdrawing water from near the surface.
Researchers at Southwest Research Institute are developing a cost-effective method for harvesting water from atmospheric air using silica gel beads. This approach can capture water vapor molecules at low humidity levels, making it a promising solution for communities with limited access to clean water.
A study published in PLOS Medicine reveals that malaria parasites survive and replicate within the spleen of asymptomatic individuals infected with Plasmodium vivax. The research found a substantial biomass of intact asexual-stage malaria parasites accumulated in the spleen, targeting immature red blood cells for invasion.
Researchers at the University of Pittsburgh have developed a new class of self-aware metamaterials that can sense pressure, stresses, and generate power. These materials are scalable, efficient, and can be used in various civil, aerospace, and biomedical engineering applications.
Researchers found that firms with stronger positions in supply chains provide more trade credit to customers, while those with weaker positions receive less. This contradicts the financing advantage theory and supports the recursive moral hazard theory of trade credit.
Panayiotis 'Panos' Diplas, a Lehigh University professor, has been awarded the 2021 Hunter Rouse Hydraulic Engineering Award for his fundamental contributions to turbulence in sediment transport and ecohydraulics. The award is presented by ASCE's Environmental and Water Resources Institute.
Researchers have discovered that depleting macrophages in tumors activates tumor-specific cytotoxic T cells, eliminating large, RT-resistant colorectal and pancreatic cancers. SIRPalpha-depletion transforms the tumor microenvironment into a potent tumoricidal niche.
Researchers from the University of Tsukuba have demonstrated the direct conversion of scar tissue cells to heart muscle cells in mice after a heart attack. This breakthrough finding suggests that fibroblasts can be directly reprogrammed into cardiomyocytes, potentially preventing heart failure and death.
A new study suggests that using a brain-training app can help people reduce their junk food consumption and lose weight. The app trains users to associate healthy foods with stopping and unhealthy snacks with avoiding, resulting in an average weight loss of half a kilogram and a small increase in healthy food eaten.
A study published in the Journal of Comparative Economics found that bribery in public healthcare not only fails to improve services but also exacerbates health problems and reduces nutrition quality. Post-communist countries, including Russia, reported high rates of corruption, with many patients experiencing bribes for medical services.
Researchers found that elephants can store up to nine liters of water by dilating their nostrils, allowing them to suck up three liters per second. This unique ability has inspired the development of more efficient robots using air motion, and may also help conservation efforts for endangered elephant species.
A Mendelian randomization study found no evidence that vitamin D levels are associated with reduced COVID-19 susceptibility, hospitalization, or severe disease outcomes. The study's results suggest that raising circulating vitamin D levels through supplementation may not improve COVID-19 outcomes in the general population.
Researchers used environmental DNA (eDNA) to detect the presence of invasive New Zealand mud snails in waters they inhabited incognito, revealing a new population in central Pennsylvania. The eDNA technique allowed for early detection of the snail's invasion, even when traditional methods would not have found them.
Researchers at Tokyo Institute of Technology develop a 3D functional interposer containing an embedded capacitor, saving up to 50% package area and reducing wiring resistance. This compact design enables less noise and power consumption, paving the way for new semiconductor package structures with greater miniaturization.
Researchers have found that targeting the FK506-binding protein 51 (FKBP51) promotes autophagy and reduces toxic Huntingtin protein levels, potentially providing a new treatment option for Huntington's disease. This new mechanism avoids worrisome side effects associated with rapamycin.
Researchers found that training health workers to promote healthy feeding practices in pregnant women resulted in children consuming less fat and carbohydrates at 3 years of age and having lower measures of body fat at 6 years. The study suggests that early intervention can have a significant impact on childhood obesity risk.
Researchers developed a robotic mechanism for picking and trimming button mushrooms, achieving a 90% success rate in initial tests. The system's performance was improved after multiple picks, demonstrating its potential for automated harvesting.
A new study suggests a return-on-investment approach to focus taxonomic research on species in need of conservation. Researchers used this method to identify 24 Australian lizard and snake species that require better classification, highlighting the critical importance of accurate taxonomy for effective conservation.
Scientists have created a miniature 3D bone marrow model that can predict patient responses to Eltrombopag therapy for platelet disorders. The model uses silk protein scaffolding and patient-derived cells to recreate human bone marrow conditions.
The Treatabolome project is an EU initiative that seeks to deliver rare disease and gene-specific treatment information to healthcare professionals. Systematic reviews on various rare neurological disorders are now available, providing a foundation for the platform's database.