Researchers developed a droplet-based microfluidic technology to produce micro-organospheres from cancer patient biopsies within an hour. These miniature tumors retain the original microenvironment and can be used for testing many drug conditions, showing almost perfect correlation with actual clinical treatment outcomes.
The article reviews the biosafety of different delivery systems for nucleic acid drugs, highlighting the importance of carrier selection and drug administration method. It also highlights the benefits of carrier-free delivery systems in reducing adverse effects.
A new study found that reality TV programs in the UK exhibit frequent displays of alcohol, tobacco, and unhealthy foods, raising concerns about youth exposure. The research estimates that these shows delivered millions of impressions to children, highlighting the need for revised regulations.
A recent study found that tropical vegetation benefits less from elevated CO2 levels due to its surprising small effect on woody cover. Moisture availability and wildfire frequency were identified as the most important factors influencing woody cover change in tropical forest-savanna transitions.
Researchers at Cedars-Sinai discovered how the brain uses a group of neurons in the frontal lobe to monitor performance, enabling humans to learn from mistakes and develop specific skills. This mechanism allows for flexibility in learning new tasks and adjusting focus based on conflict or difficulty encountered.
A new study published in Cyberpsychology, Behaviour and Social Networking found that taking a one-week break from social media can lead to significant improvements in wellbeing, depression and anxiety. Participants who took a break reported improved mood and reduced symptoms of anxiety compared to those who continued using social media.
Researchers at Helmholtz Institute Jena set a new record for polarized X-ray purity with 8×10^−11, enabling experiments on quantum optics and charge distribution in solids. The discovery also holds promise for detecting vacuum birefringence and could provide clues to previously unknown elementary particles.
A team of researchers found that wetlands, including salt marshes and mangrove forests, are global 'hotspots' of CO2 storage. Plants in these ecosystems build landscapes that capture and store carbon dioxide, making them a crucial tool in the fight against climate change.
A UK study of over a million adults found that young adults (under 45) and women were more likely to gain weight and move up at least one BMI category during lockdown. The study suggests that this could lead to an increased risk of obesity-related health problems, including diabetes, heart disease, and cancer.
A study in mice found that caloric restriction with timed feeding, particularly at night, promotes longevity. Calorie restriction extended lifespan as expected, but its benefits were maximized when the fasting interval exceeded 12 hours and food was consumed during the organism's natural active phase.
Researchers have mapped a huge, actively circulating groundwater system in deep sediments in West Antarctica, which could speed glaciers and release carbon. The discovery has significant implications for understanding the behavior of the frozen form found in glaciers.
A new study published by the American College of Allergy, Asthma, and Immunology shows that COVID-19 has increased anxiety and asthma symptoms among adults with asthma, while reducing food allergy-specific anxiety for parents of children with food allergies.
A new $5 million center, MIXR, aims to develop, test and certify XR technologies in medicine and healthcare. The collaboration between academia, industry and government will improve medical training, patient management and health outcomes.
A new study at the European Congress on Obesity found that toddlers who were rewarded for trying vegetables ate more of them. The study, which involved 598 children aged 1-4, showed that regularly offering vegetables increased recognition and willingness to try different types.
A COVID vaccine designed for oral administration neutralizes the SARS-CoV-2 virus in mucosal tissues, limiting infections and airborne transmission. The study found vaccinated hamsters were less symptomatic and shed fewer viral particles after exposure.
A flying intervention team deployment was significantly associated with shorter time to endovascular thrombectomy, supporting consideration for some stroke systems of care. The findings may need further research to confirm long-term clinical outcomes and applicability in other geographic settings.
A study by Norwegian University of Science and Technology found that humour is an effective flirtation tactic for both sexes, especially for men seeking long-term relationships. Women who want a short-lived fling should signal their intentions clearly. The research also highlights the importance of smiling, eye contact, and showing pot...
A team of physicists and chemists at the University of Surrey used computer modeling to show that quantum mechanics can cause errors in DNA replication, leading to mutations. The researchers found that protons can tunnel through energy barriers, causing mistakes in the pairing of DNA bases.
The study analyzed over 40,000 words from English texts and found that monosyllabic Middle English words predominantly had long vowels, which were more easily processed by the brain. This suggests that our brains are wired to learn and prefer frequent sound patterns, leading to gradual language changes.
A meta-analysis of 11 randomised trials found that vegan diets for at least 12 weeks can lead to clinically meaningful weight loss and improved blood sugar control. However, vegan diets did not affect blood pressure or triglycerides compared to other diets.
Researchers at Texas A&M University used an Artificial Intelligence Materials Selection framework to discover a new shape memory alloy with the highest efficiency ever recorded. The alloy's narrow transformation temperature window and high cyclic stability make it ideal for thermal energy harvesting and storage.
A new study by Children's Hospital of Philadelphia found that neighborhood poverty and crowding are associated with higher rates of COVID-19 in pregnancy. Researchers analyzed data from over 5,991 pregnant patients and found disparities in SARS-CoV-2 positivity among different racial and ethnic groups.
The study reveals that NPY peptides use different 'docking pathways' to interact with their receptors, leading to varying signals in the cell. The flexibility and mobility of the complexes play a crucial role in this process.
Researchers have identified over 2.4 million households in 49 countries as being below a certain economic threshold, based on the percentage of unlit settlements detected using nighttime light satellite images. The study found a clear association between increasing percentages of unlit communities and decreasing economic wellbeing levels.
Scientists develop new method to visualize and characterize topological edge states in photonic crystals beyond the optical diffraction limit. The research enables enhanced quantum efficiency or inhibited quantum emission by controlling radiation characteristics of these states.
Researchers from Harvard John A. Paulson School of Engineering and Applied Sciences have developed a single-material, single-stimuli microstructure that can outmaneuver even living cilia. These programmable structures could be used for soft robotics, biocompatible medical devices, and dynamic information encryption.
Researchers have discovered a unique mechanism called 'momentum-dependent spin splitting' that allows for strong spin currents and efficient magnetic switching. This discovery could lead to advances in magnetic random-access memory technologies.
Annual increases in uterine cancer mortality rates from 2010 to 2017 were found to be significantly higher among Hispanic (6.7%) and Black (3.5%) women compared to White (1.5%) and Asian (3.4%) women. These disparities highlight the need for targeted interventions to address racial and ethnic inequalities in uterine cancer care.
A new study reveals that recurrent urinary tract infections (UTIs) may be caused by an imbalance in the gut microbiome, which can lead to chronic inflammation and increased risk of future UTIs. Antibiotics given to treat UTIs can disrupt the microbiome, making it easier for disease-causing bacteria to spread.
A new study found that naming legislation after a victim increases support for the law and its associated punishment, with notable benefits for laws named after African American women. The study used distracted driving as an example and surveyed a national sample of 1,000 U.S. adults.
Researchers from Harvard University and QuEra Computing have demonstrated a breakthrough application of neutral-atom quantum processors to solve practical optimization problems. The team achieved unprecedented quantum hardware power, showcasing a super-linear quantum speed-up compared to classical algorithms.
A recent study found that the US has a higher heart attack mortality rate compared to other high-income countries, including Taiwan. The study, published in The BMJ, analyzed data from six countries and found that the US had lower revascularization rates despite having advanced medical technology.
The Hubble Space Telescope has discovered a surviving companion star to SN 2013ge, providing crucial insight into the binary nature of massive stars. The finding sheds light on the puzzle of hydrogen loss pre-supernova and supports the theory that most massive stars are paired.
Researchers at Oregon State University have discovered a promising approach to treating pancreatic cancer, which has a low survival rate. The study found that a liposomal prodrug outperformed traditional treatments in cancer cell cultures and animal models.
Researchers found antibody levels in people with severe obesity are significantly lower than normal weight controls after receiving two doses of either the Pfizer/BioNTech or CoronaVac vaccine. The study suggests that individuals with severe obesity may generate a weaker immune response to COVID-19 vaccination.
Researchers at Tokyo University of Science propose two new search strategies to reduce the computational cost of rebalancing in bicycle-sharing systems. The approaches focus on finding feasible solutions more efficiently and redefine the problem to minimize solving time.
A new method reduces computational complexity of traffic models, making them operate more efficiently. The modified algorithm breaks down complex forecasting questions into smaller problems that can be solved in parallel, significantly reducing run time. This approach also allows for a good enough solution within an error bar, rather t...
Scientists have developed a transparent device that produces a hidden image when light shines on it, using liquid crystals to recreate an ancient light trick. The technology has the potential to enable reconfigurable displays and stable 3D images.
Researchers discovered that moss cells can form mobile spindles during mitosis, moving like animal cells. This unusual process suggests a tug-of-war between microtubules and actin filaments to position the spindle, similar to animal cells.
A new study reveals that Medicaid expansion under the Affordable Care Act has led to a significant decrease in diabetic foot amputations among racial and ethnic minority adults. The study found that this expansion has resulted in better healthcare outcomes for these underserved populations, reducing rates of diabetes-related major ampu...
A new study reveals that racial discrimination in medical settings can lead to low confidence in the health system and increased vaccine refusal among ethnic minority groups. The research found that nearly one in ten participants who refused a COVID-19 vaccine reported experiencing poorer service due to their race or ethnicity.
SourceSAGE·JournalJournal of the Royal Society of Medicine·TypeObservational study·DateMay 5, 2022
A RAND Corporation study found that strengthened school lunch standards were associated with less weight gain among free or reduced-price lunch participating school children. The findings suggest improving nutritional standards can help reduce the trajectory toward obesity among low-income children.
A recent study reveals that approximately 48% of existing bird species worldwide are undergoing population declines, with only 6% showing increasing trends. The study identifies key threats including natural habitat loss, direct overexploitation and climate change.
A study of 72,000 pediatric encounters found that non-Hispanic Black children were more likely to be readmitted within a year due to diabetic ketoacidosis. Healthcare disparities persist among racial and ethnic groups in pediatric care, emphasizing the need for targeted interventions.
A new method for generating polygenic risk scores (PRS) has been developed to predict disease risk across populations, reducing bias and improving accuracy. The PRS-CSx tool integrates data from multiple populations and accounts for genetic similarities and differences between them.
Researchers from Australian National University have discovered how malaria parasites evade treatment by transporting drugs to 'safe zones', which can lead to new and longer-lasting treatments. The discovery could also inform cancer treatment development.
Researchers found that copper-coated surfaces significantly reduced viral load after one hour, while silver-coated surfaces had no effect on infectivity. The team investigated the antiviral properties of various metal-based sacrificial anodes and discovered a clear antiviral effect of copper against Sars-Cov-2.
Researchers have made the first detection of groundwater beneath an Antarctic ice stream, providing new insights into the region's hydrology. The study confirms what scientists had previously suspected but couldn't verify until now, improving our understanding of how the Antarctic ice sheet might affect sea levels.
Researchers have developed graphene-empowered dynamic metasurfaces and metadevices that can actively tune their electromagnetic wave manipulation capabilities. The devices exploit the unique properties of graphene to manipulate visible, terahertz, and microwave frequencies.
A molecular switch, p57, enables stomach stem cells to change allegiance from normal digestion to injury response, potentially leading to new treatments for gastric pathologies. The study's findings suggest that p57 is a key regulator of reserve stem cell state in gastric chief cells.
Researchers discovered a novel way to control the optical properties of silicon nanoantennas using vectorial light fields. The technique enables high-contrast reconfigurable optical scattering by switching structured polarization beams.
Researchers developed a new software tool, called 'meta-transcriptome detector,' that integrates genetic sequencing analysis of hosts and their microbiomes. The tool enables analysis of gene expression activity in both microbes and hosts simultaneously, allowing researchers to spot relationships between them.
A study by Kobe University researchers has illuminated the characteristics of Myeloid immune cells in coronary plaque, a major contributor to acute coronary syndrome. The findings suggest that macrophages and monocytes accumulate in the plaques of patients with acute coronary syndrome, leading to increased inflammation.
The CRISPR/Cas system is being utilized for the treatment and diagnosis of infectious diseases using biosafety materials, highlighting its design principle and efficacy. Advanced biosafety materials are used to detect viral nucleic acids and inhibit viral replication.
Initiation of lower gastrointestinal endoscopy before age 50 among women is associated with a reduced risk of colorectal cancer. Guidelines now recommend that women initiate colorectal cancer screening before age 50 to reduce the risk, including cases diagnosed before age 55.
A study found that higher levels of active brown adipose tissue are associated with early metabolic dysfunction and pre-cooling glucose, insulin, thyroid stimulating hormone, and triglyceride levels. Activated brown fat was recruited to counteract 'pre-prediabetic' states, potentially serving as a first-line protective mechanism.
A new study from Boston University School of Medicine highlights disparities in leadership roles and academic rank among women and underrepresented groups. Women are less likely to be promoted to professor or in leadership positions, with educational roles being undervalued.
The Ustilago maydis effector Rip1 targets and binds Zmlox3, a maize gene from the lipoxygenase family, to suppress PTI and reduce susceptibility to fungal infection. This action leads to reduced ROS-burst formation in infected plant cells, highlighting the complex co-evolutionary forces between host and pathogen.
A flexible sensor embedded in a diaper measures multiple components in urine, sharing results over Bluetooth for fast bedside analyses. The technology has potential to provide quick and painless urinalysis for incontinent, elderly or infant patients.
Researchers find that oxybenzone sunscreen is converted into a phototoxin inside cells of anemone and coral, making them more susceptible to damage. This conversion may help explain why oxybenzone-based sunscreens are harmful to bleached coral reefs.
A study found that vaccines induce immune responses beyond neutralizing antibodies, involving T cells and the Fc receptor, to control viral replication and prevent severe disease. The researchers observed dose-dependent effects on these immune mechanisms, providing insights for future vaccine design and boosting.
Current mining practices can be improved through effective policies and stakeholder involvement. A more sustainable extractive industry can supply key raw materials for renewable energy technologies and support the UN Sustainable Development Goals. To achieve this, diverse stakeholders must participate in governance at different levels.
Researchers have discovered that lunar soil can convert carbon dioxide into oxygen and fuels, paving the way for sustainable space exploration. The team proposes an 'extraterrestrial photosynthesis' strategy using lunar soil to electrolyze water and produce desired products.
A study of 1,365 deaths in Brazil found that up to 18% of COVID-19 cases were misclassified as other causes on death certificates. This undercounting could significantly impact Brazil's vital statistics and COVID-19 mortality rates.
Scientists at Stockholm University have successfully studied the surface of a copper-zinc catalyst during CO2 reduction to methanol, revealing that zinc is alloyed with copper at the surface. This discovery opens up possibilities for more efficient materials and a green transition in the chemical industry.
Researchers analyzed 364 social media posts by six German-speaking influencers and found that 75% of the featured food and drinks were high in salt, fat, or sugar, exceeding World Health Organization advertising standards for children. Chocolate and sweets were the most commonly posted about products.
A new study from Massachusetts General Hospital found that starting endoscopic screening at age 45 can significantly reduce the risk of colorectal cancer (CRC) in women. The study included 111,801 women and showed a 50-60% lower risk of CRC among those who started screening at this age.
A recent study published in Ecology found that climate change and biological invasions are altering the predator-prey landscape in California's coastal estuaries. This interaction increases stress on native species, making them more vulnerable to invasive predators.
The study proposes four types of firms: craft specialists, craft generalists, commercial specialists, and commercial generalists. Craft specialists focus on aesthetic perfection, while commercial firms prioritize profit maximization. The article highlights the intersection of these goals in various industries, including coffee.
Four rapid antigen tests were found to be less sensitive to the Delta variant than the Omicron strain. The study suggests that continuous assessment and updating are needed for these tests to remain effective in detecting COVID-19 infections. Continuous improvement is necessary to ensure they meet public health testing goals.
Researchers developed a soft robotic sleeve controlled with a microfluidic chip that reduces treatment cost, weight, and power consumption for lymphedema treatment. The device promotes fluid flow in the lymphatic system by sequentially inflating balloons and pushing fluid upwards.
Researchers at the University of Birmingham call for more diverse patient groups in clinical trials and practice to ensure representative data collection. The team identifies barriers such as access to technology, disability, language, and cultural requirements that hinder participation.
Researchers developed a novel gene expression approach to identify potential blood biomarkers associated with suicide in major depressive disorder. The study analyzed data from non-preserved blood samples and found significant differences in gene expression changes linked to stress response, immune dysregulation, and telomere maintenance.
A recent study reveals that massive carbon emission during the Late Paleozoic Ice Age led to anoxic areal extent equivalent to 20% of the seafloor and significant biodiversity loss. The research team used geochemical signals, sedimentology, and climate modeling to simulate the effects of a 300,000-year warming event.
MIT researchers develop ExSum, a framework to formalize explanations of machine-learning models into quantifiable rules. This allows for testing assumptions about model behavior and reveals unexpected insights, such as negative words having sharper contributions to model decisions.
The Chemical Insights Research Institute has received a prestigious award from the National Institutes of Health to study the link between electronic nicotine delivery system (ENDS) usage and periodontal disease. The researchers will analyze consumer vaping behavior data and biosamples to identify biomarkers of exposure and injury, aim...
The vaquita porpoise, the world's smallest marine mammal, has relatively healthy genetics and can potentially survive if illegal 'gillnet' fishing ceases promptly. Inbreeding poses a threat, but the species may rebound due to its naturally low genetic diversity.
The article examines the avian literary motif in the Standard Babylonian Gilgameš Epic, exploring its cultural significance and literary devices. Bird calls are linked to deities and assign specific sounds to each bird, with some foreshadowing events like Enkidu's transgressions against the gods.
A study found that protected conservation areas in Madagascar experienced unprecedented spikes in fires during the COVID-19 pandemic, particularly when on-site management was suspended. The team suggests that governments should consider keeping some staff in protected areas to mitigate this impact.
Researchers found that restricting calories and eating at the right time of day can lead to a longer, healthier life. Mice on a reduced-calorie diet lived up to 35% longer when fed at night, extending their median lifespan by nine months.
Researchers have identified 2,320 sex-heterogeneous SNPs linked to various health traits and diseases, including schizophrenia, type 2 diabetes, and ADHD. These SNPs play a role in early-life biological processes that shape distinct biology and traits between sexes.
A study found that frequent-flyer program members are more likely to choose higher fares and earn points when their home airport is the airline's hub, resulting in a potential 7% cost savings for companies. This behavior changes when travelers must pay out of pocket, with an average increase of 8% in price paid.
A new study suggests that up to 1 in 4 cases of congenital hydrocephalus may be linked to genetic mutations affecting neural stem cell growth, leading to underdeveloped brains and enlarged ventricles. This paradigm shift could lead to targeted therapies such as gene editing or drugs to optimize neurodevelopment.
Artificial Intelligence can now identify legendary batting techniques used by Sir Donald Bradman and modern players. Researchers developed a deep learning computer vision AI model to detect lateral backlift batters from straight ones.
Biosafety materials have emerged to address global concerns about COVID-19, with unique strategies for preventing infections by pathogenic microorganisms. Researchers have developed novel protocols for rapid detection and elimination of pathogenic microorganisms.
A new study found that COVID-19 lockdowns led to a dramatic increase in fires within globally-important protected areas in Madagascar, with excess fires rising by 76-248%. The team used decades of past data to estimate the impact of the pandemic on fire patterns.
A new Stanford University study reveals that sunscreens containing oxybenzone can damage coral reefs, hastening their demise. The researchers found that oxybenzone forms damaging radicals when exposed to sunlight and can also disrupt coral defense mechanisms.
Researchers successfully reprogrammed non-controllers' CD8+ T cells to acquire properties of natural HIV controllers, enabling them to suppress viral load and survive without exhaustion. This breakthrough could lead to a cell therapy strategy for achieving HIV remission, with potential applications in cancer treatments.
A $66,000 NIH grant will support Karry Weston's two-year study on the lack of breastfeeding in rural Missouri. The goal is to identify cultural factors influencing mothers' decisions, with a focus on improving maternal care in rural communities.
Researchers at Rice University have created a 'metalens' that transforms long-wave UV-A into a focused output of vacuum UV radiation. The technology uses nanophotonics to impart a phase shift on incoming light, redirecting it and generating VUV without the need for specialized equipment.
Researchers at the University of Missouri are applying AI to analyze protein dynamics, identifying potential target sites for new drug therapies. The approach can simulate protein changes related to conditions like cancer, enhancing the chances of successful therapies.
Researchers developed a digital subtraction technique to identify viral DNA in tumor samples, achieving comparable results to standard clinical methods. The study discovered novel associations between specific tumors and viruses, warranting further investigation.
A team of researchers used a CRISPR-based approach to study the evolution of lung cancer cells, tracking their history from the first activation of cancer-causing mutations. The study revealed significant diversity between subpopulations of cells within the same tumor, with certain groups becoming more fit and aggressive over time.
A new study reveals that innovative restoration practices can replicate natural landscape-building processes in wetlands, enhancing their carbon-storing potential. Successful restorations require dense plant clumps or large areas restored in one go to mimic the plants' landscape-forming properties.
A clinical trial found that sodium selenate stabilizes escalating behavioural issues and slows brain shrinkage in patients with behavioural variant frontotemporal dementia. The treatment has been shown to be safe and well-tolerated, with reduced rates of cognitive and behavioural symptoms.
SourceMonash University·JournalAlzheimer s & Dementia Translational Research & Clinical Interventions·TypeRandomized controlled/clinical trial·DateMay 5, 2022
Researchers used worms to study how hunger signals in the gut communicate with the brain, leading to riskier behavior. The findings suggest that proteins in intestinal cells move dynamically to transmit signals about hunger, driving worms to cross toxic barriers.
A new study uses artificial intelligence to predict bone fractures in cancer patients by creating a digital twin of the vertebra. The AI-assisted framework, ReconGAN, simulates how tumors affect the spine and predicts fracture risks, offering medical experts better treatment strategies and patient decisions.
Researchers found that individuals with a diverse population of macrophage cells, which include M2 and regulatory macrophages, are better protected against severe COVID-19. The study suggests that a balance between pro-inflammatory and anti-inflammatory responses is key to preventing the worst symptoms.
Scientists have developed a machine learning algorithm that can accurately predict the lifetimes of different battery chemistries using as little as a single cycle of experimental data. The technique could reduce costs and accelerate the development of new battery materials, enabling researchers to quickly evaluate and test multiple ma...
A new genetic analysis suggests that vaquitas can recover if deaths from gillnets are halted, despite initial concerns about inbreeding depression. The species' natural resilience and genetic diversity provide a high probability of survival.
A new genetic study suggests that inbreeding will not doom the endangered vaquita to extinction. Despite low genome-wide diversity, vaquita individuals have remained healthy and able to breed with weakly deleterious genetic mutations accumulating over time.
A recent study in JAMA Otolaryngology–Head & Neck Surgery reveals that thyroid cancer patients in the US experience substantial financial burdens. The researchers propose a novel framework to help guide future research and inform cancer care providers on cost considerations.
Researchers propose using quantum repeaters to regenerate signals and prevent data loss in ground-based quantum networks. Another approach involves taking quantum networks into the air via drones or satellites, enabling longer-distance transmission and greater flexibility.
Researchers at the University of Waterloo found that combining diuretics and renin-angiotensin system inhibitors with ibuprofen can lead to acute kidney injury in people with certain medical profiles. The combination may be a 'triple whammy' that exacerbates dehydration, which is a major factor in acute kidney injury.
Researchers have found a deep sub-ice stream groundwater system in West Antarctica, containing more than ten times the volume of shallow hydrologic system above. This discovery highlights the critical role of groundwater hydology in understanding ice sheet dynamics and its potential impact on sea level rise.
A new study found that extended space flight increases perivascular spaces in the brains of first-time astronauts, but not those who previously served in space. No neurological deficits were detected despite the changes.
UTSW researchers have identified a subset of cancer-associated fibroblasts that can be targeted to enhance immunotherapy in pancreatic cancer patients. The study found that these cells, known as antigen-presenting cancer-associated fibroblasts (apCAFs), interact with immune cells by displaying proteins called antigens on their surface.
A new study predicts that agricultural water scarcity will worsen in up to 84% of croplands globally by 2050, with green water availability changing under climate change. Effective solutions include conserving agricultural water through mulching, no-till farming, and improving irrigation infrastructure.
Researchers from Osaka University have discovered that mesenchymal stem cells can prevent the onset of type 1 diabetes associated with immune checkpoint cancer therapy. MSCs secrete factors that protect pancreatic cells against immune attack, suggesting a new approach to preventing this debilitating side effect.
Researchers have developed a method using nanomagnets to perform artificial intelligence, slashing energy costs and offering huge efficiency gains. The technology uses 'nanomagnetic states' to process and store data, cutting out the need for software simulation.
Recent advances in femtosecond laser direct writing of fiber Bragg gratings in multicore fibers enable the development of shape sensors, fiber Raman lasers and high-power fiber lasers with improved spectral features. The technology also allows for complex optical integral elements and biosensors to be fabricated.