Researchers found that older adults with depression exhibit accelerated biological aging, poor physical and brain health, and worse cardiovascular health. This association suggests opportunities for preventive strategies to reduce disability associated with major depression in older adults.
A new survey found that nearly a third of Americans worry more about obesity due to COVID-19, with 28 million people considering weight loss methods. The survey also showed that nearly 90% with obesity have tried to lose weight at some point in their lives, but many underestimate the effectiveness of treatments like weight-loss surgery.
A robust phase extraction method for overcoming spectrum overlapping in shearography has been proposed, achieving high-quality phase extraction. The method uses a linearly transformed elliptical window to maximize the use of spectrum information and improve phase extraction quality.
A recent study by Cornell University researchers found that lawmakers are only slightly more likely to respond to AI-generated messages than human-generated ones, highlighting the potential risks of emerging technologies on democratic representation. The research used a field experiment to investigate the impact of natural language mod...
A recent study has identified a rare strain of Toxoplasma gondii, COUG, in sea otters that caused fatal steatitis and toxoplasmosis. The strain is virulent and can rapidly kill healthy adult otters, posing a health threat to other marine wildlife and humans.
A new study has uncovered the brain's internal compass, which helps it navigate changing environments. The research found that the brain uses a mechanism called 'network gain' to reorient itself after being disoriented, allowing for rapid recovery of its sense of direction.
Researchers discovered previously unknown details about Margaret Bryan's background and family through a paper published in Notes and Records: The Royal Society Journal of the History of Science. Girolami found that Bryan was born around 1759, married William Bryan in 1783, and had two daughters, Ann Marian and Maria.
A recent study published in Communications Biology used thermal imaging to capture the social dynamics of 'pee-shy' mice, revealing that males adjust their urine marking behavior based on their past interactions. The research provides insight into how animals manage their social signaling, a crucial aspect of their survival and evolution.
Researchers at Texas A&M University have developed the first molecular therapeutic for Angelman syndrome, a devastating neurogenetic disorder. The therapy targets an evolutionarily conserved region in the UBE3A-AS transcript and has shown promising results in clinical trials.
The new 7-Tesla MRI machine will enable researchers to map and measure brain structures with unprecedented precision. The machine, part of the Center for Advanced Medical Engineering, is available for research purposes and will accelerate neuronal research with AI-based algorithms.
A new study from the University of Surrey found that a fun, technology-based climate change education program increased climate change literacy by 9.4% in primary school children and 4.5% in secondary school children. The Heat-Cool program encouraged pupils to use infrared cameras to explore urban heat islands, stimulating interest in ...
A study by Max-Planck-Gesellschaft researchers found that consuming small amounts of high-fat and high-sugar foods regularly rewires the brain, leading to a preference for these types of food.
A new study found that working for a big company or in an HR role does not lower the likelihood of showing unconscious bias against disabled people at work. Despite large firms' efforts to address EDI and unconscious bias through training, levels of implicit bias remain roughly the same across different sized companies.
A study analyzed 25 countries' baseline mercury emission estimates and found that they rarely provide enough information to determine whether changes are due to actual change or data uncertainty. This lack of transparency hinders efforts to draft meaningful mercury reduction targets in national action plans.
A research team has made critical achievements in antiferromagnetic spintronics, revealing emerging frontier distinguished by coherent spin dynamics. Key findings include spin generation and transport, electrically driven spin rotation, and ultrafast spintronic effects.
Researchers Jennifer Bergner and Darryl Seligman suggest that 'Oumuamua's acceleration can be explained by the outgassing of hydrogen gas as the comet warmed up in the sunlight. The comet's small size allowed for a significant effect, with the tiny push from hydrogen spurted out of ice altering its gravitational deflection around the sun.
The new medicine has shown promising results in a Phase 1 clinical trial, with 70% of patients stable after six weeks and one patient remaining stable for over two years. Developed by NTNU researcher Marit Otterlei, ATX-101 targets cancer cells' stress regulation system, leaving healthy cells unaffected.
Researchers from China have identified inosine as a potential broad-spectrum anti-inflammatory agent that improves survival in mice infected with SARS-CoV-2. The study also highlights TBK1 as a promising target for inhibiting cytokine storms and mitigating acute inflammatory lung injury.
A systematic review found considerable uncertainty around analgesic effectiveness and safety for acute non-specific low back pain. Clinicians and patients are advised to use analgesics with caution due to limited high-quality evidence.
Researchers analyzed DNA from Beethoven's hair to shed light on his chronic health problems, including progressive hearing loss. They found genetic risk factors for liver disease and evidence of a hepatitis B virus infection, which likely contributed to his death.
A research team reveals the mechanism behind non-uniform diamond film formation on tools, identifying carbon filaments as a key factor. Inhibiting carbon filament growth is crucial for developing dry processing methods that reduce environmental waste.
A comprehensive roadmap for converting waste energy into clean power has been proposed by global experts. The guide outlines strategies for future research to harness the potential of energy harvesting materials, enabling seamless integration into everyday objects and environments.
A clinical trial found that moderate salt restriction reduced blood pressure and depressive symptoms without adverse effects in patients with primary aldosteronism. The study suggests a feasible approach to improving care for these patients and may also benefit those with essential hypertension.
Researchers developed a novel design for the chip using a crossbar layout, outperforming state-of-the-art photonic counterparts in terms of scalability and technical versatility. The synergy of powerful photonics with the novel crossbar architecture enables next generation neuromorphic computing engines.
A new study finds that smokeless tobacco products increase the risk of developing peripheral artery disease by two-fold compared to non-users. The study analyzed data from 14,344 participants and found a significant association between smokeless tobacco use and PAD, with a rate of 4.4 cases per 1,000 person years.
SourceElsevier·JournalAmerican Journal of Preventive Medicine·TypeData/statistical analysis·DateMar 22, 2023
A Danish cohort study reveals significant health risks associated with bereavement in older adults. The study found that men are disproportionately affected, with an increased mortality rate after spousal loss.
Scientists have identified clouds made from silicate particles on a distant planet using NASA's James Webb Space Telescope. The team discovered an atmosphere constantly rising and mixing, bringing hotter material up and pushing colder material down.
Researchers at McGill University have found a way to predict the movement of species in fragmented habitats, which is key to their survival. By combining lab experiments and mathematical modeling, they determined that the survival of species lies in the interplay between their patterns of movement and the orientation of habitat corridors.
Researchers developed a new method to collect data on animal behaviour and environment using drones and computer vision. The method allows for the extraction of information on spatial distribution, movement, and behaviour, providing rich insights into the social and environmental context of group-living animals.
The study sheds light on Beethoven's health problems, including progressive hearing loss and chronic gastrointestinal complaints. Genetic risk factors for liver disease were identified, and evidence of a hepatitis B virus infection was found in the composer's final months.
A new study by UC San Diego researchers found that COVID-19 subvariants like BA.4 and BA.5 evaded the body's natural defense, leading to rapid spread. Early treatment with Paxlovid may have left patients more susceptible to re-infection due to a weakened immune response.
A study published in Cell Death & Disease reveals that a protein cross-linking enzyme called TG2 exacerbates kidney fibrosis by polarizing M2 macrophages. The researchers hope to develop treatments for diseases caused by inflammation imbalance, such as fibrosis, cancer, and atherosclerosis.
Researchers analysed wastewater from 10 cities to detect chemical and biological markers of health, including pesticides, pharmaceuticals and disease-causing viruses. The study found that analysing wastewater on a large scale could spot new outbreaks of diseases in communities early on.
Researchers found giant gas giants orbiting low-mass stars, challenging the widely accepted planet formation model. The study used NASA's TESS satellite data and identified 15 potential giant planets, with five confirmed as actual planets.
Researchers suggest studying well-preserved grains of space dust for potential signs of life, as they could contain fossils of microorganisms. The idea estimates that around 100,000 such grains could land on Earth every year.
The study found that statin use for primary prevention was low among all racial and ethnic groups, despite varying levels of 10-year ASCVD risk. Improving access to care may help increase equitable use of primary prevention statins in Black and Hispanic adults.
The Cinereous Vulture has been reintroduced to Bulgaria after being extinct for 36 years. The successful re-introduction campaign, led by Green Balkans and other organizations, involved importing 72 birds from Spain and European zoos. The team recommends the aviary method and delayed release for establishing a new core population, and ...
Scientists have discovered a new way to extract energy from photosynthesis, the process by which plants convert sunlight into energy. This breakthrough could lead to more efficient ways of generating clean fuels and renewable energy.
A new study suggests that climate change could lead to increased pesticide toxicity on bee populations and their pollination services. Environmental temperature can influence the degree to which pesticides affect bees' behavior, with certain temperatures causing a 'tipping point' in their ability to tolerate pesticide exposure.
Research suggests Medicare reimbursements for complex cataract surgery are far lower than simpler procedures, resulting in a 'negative' margin. This disparity affects ophthalmologist practice patterns and patient accessibility, particularly for vulnerable populations.
The caterpillar-bot uses a novel pattern of silver nanowires to control its movement, with the ability to steer in both directions and navigate through tight spaces. The robot's movement is driven by heating and cooling cycles that allow it to 'relax' before contracting again.
Researchers discovered that SMN deficiency harms neurons by impairing Hspa8 protein, which assembles critical communication links between motor neurons and muscle cells. A potential new treatment pathway for SMA was identified through mimicking the protective effect of a specific variant of the Hspa8 gene.
A team of researchers has designed fully biodegradable artificial muscles using gelatin, oil, and bioplastics, demonstrating potential for sustainable technology. The new materials system shows outstanding performance and is electromechanically competitive with non-biodegradable counterparts.
A new method for global profiling of in-situ RNA–RNA contacts associated with specific RBP has been developed, revealing positional mechanisms by which PTBP1-associated RNA loops regulate cassette exon splicing. The study found that PTBP1 can modulate cassette exon splicing via mediating specific RNA loops in a position-dependent manner.
New research reveals coffee consumption may help reduce the risk of type 2 diabetes by lowering inflammatory biomarkers in the body. A study published in Clinical Nutrition found that a one cup per day increase in coffee consumption was associated with a 4-6% lower risk of T2D.
Researchers are using air flow modeling and simulations to understand how pathogens transport through spaces, shedding light on the impact of building design on human health. The study aims to develop interdisciplinary ventilation strategies to mitigate microbe spread and improve disease prevention.
A new study published in The BMJ found that a decision tool for health professionals reduced unnecessary antibiotic prescriptions for frail older adults by 50%. The multifaceted training program, which included education and action planning, was effective in improving patient safety while reducing antibiotic use.
A recent study published in Age and Ageing journal found that increasing fiber intake by 5g per day can lower the risk of cognitive decline in older adults with the ApoE ε4 genotype. This association was not observed in those without this genetic variant.
Researchers warn that Arctic sea ice may soon vanish during summer months, mirroring a phenomenon from 10,000 years ago. This could lead to increased global warming and disrupt marine ecosystems, which rely on the sea ice for food chains.
A scoping review of 50 studies across 17 countries found a strong association between social media usage and body image concerns, poor mental health, and disordered eating. The study suggests that excessive social media use can have negative effects on young people's self-esteem and overall well-being.
A study found that people with epilepsy have a higher risk of early death, especially in younger individuals, those taking multiple medications, and those living in rural areas. The increased risk varies depending on the individual's specific circumstances.
A study from Sophia University used AI and remote sensing data to predict dengue fever outbreak locations. Although the model had low accuracy, it suggests that spatiotemporal prediction of disease outbreaks may be possible with improvements.
A study of 19,000 female participants found mailing HPV self-sampling kits to be an efficient way to increase screening rates among eligible women. This cost-effective approach supports the use of mailed HPV kits as an outreach strategy for U.S. healthcare systems.
A new study finds that car crashes increase by 20-33% after Cleveland's professional sports games, particularly NFL and NBA games. Cities like Cleveland can now focus their efforts on reducing crashes in these areas.
A US analysis of perinatal care found that discretionary care varied by patient race, with Non-Hispanic Black women being 20% less likely to receive a prenatal depression screen and 60% more likely to have a urine drug test when denying drug use. Hispanic and Non-Hispanic Asian women were also less likely to receive similar tests.
A new study reveals limited supportive care for pregnant women with cancer, who often delay medical help due to natural changes in their body. The research emphasizes the need for emotional support and educational programs to address psychosocial issues and long-term negative impacts.
Researchers at The University of Tokyo have developed a programmable gate driver for solid-state electronic transistor switches, reducing switching loss under changing input current and temperature fluctuations. The device includes automatic timing control, allowing for single-chip integration and real-time control.
A new study found that taking a comprehensive medication history before hospital admission and upon discharge significantly reduces medication discrepancies. The study suggests that hospitals can improve medication safety by focusing on these two key efforts.
Researchers at North Carolina State University found that anticipating stress related to political elections can cause adverse physical health effects. However, engaging in problem analysis can help preserve health by mentally engaging with anticipated problems.
Researchers developed a computer model based on human brain mechanisms to improve speech comprehension. The model extracts multilevel information from ongoing speech and uses non-linguistic knowledge for disambiguating word meanings. This approach is more human-like than existing language models like ChatGPT.
Researchers found that eating small amounts of high-fat and sugar foods regularly rewires the brain to prefer these types of foods. The brain's dopaminergic system is activated, leading to a subconscious preference for rewarding food.
Research by Rensselaer Polytechnic Institute found a decrease in fake and extremely biased Twitter content between 2016-2020, but top influencers became more polarized, creating an echo chamber effect. The study analyzed vast amounts of Twitter data to examine the social media platform's influence on U.S. politics.
Researchers from Université Libre de Bruxelles discovered a protein named RHOJ that controls resistance to chemotherapy in cancer cells. By silencing RHOJ, cancer cells become sensitive to chemotherapy, paving the way for novel therapeutic strategies.
A new study found that frequent COVID surveillance testing protected nursing home residents by detecting infected staff earlier, disrupting transmission chains. The research showed that high testing frequency facilities had clinically meaningful reductions in resident cases and deaths, particularly before vaccine availability.
A new study by Emory University researchers found that asymptomatic individuals account for a significant proportion (74%) of dengue infections in an Amazonian city. The 'super spreader' spaces, where infected people frequent, are crucial in predicting and controlling outbreaks.
A county-based approach in Pennsylvania's Medicaid program integrates behavioral health and physical health services, resulting in improved access to care and better outcomes. This model has been recognized as a national best practice, with the state ranking among the top three for addressing mental health challenges.
Sylvester researchers have identified a signaling circuit that instigates immunosuppression and tumor-promoting inflammation in the pancreatic tumor microenvironment, driving treatment resistance. Immature neutrophils are found to play a critical role in this process.
A recent study found that nearly one in five UK adults (18%) have misophonia, with the most common trigger sounds being chewing and sniffing. The survey also revealed that individuals with misophonia often feel trapped or helpless around these sounds, leading to significant negative reactions.
Researchers have pinpointed silicate cloud features and detected water, methane, carbon monoxide, and carbon dioxide in the atmosphere of VHS 1256 b. The team's findings provide the largest number of molecules identified all at once on a planet outside our solar system.
A survey of over 43,000 patient portal users found that 96% prefer immediate online access to clinical test results. Most respondents reported seeking additional information after reviewing their test results and valued the convenience of receiving results through a patient portal.
A research team created bioplastic diffraction gratings from chitosan extracted from crab shells, enabling the production of portable and disposable spectrometers. The biodegradable gratings could improve sustainability in optical manufacturing and reduce seafood waste.
Researchers at Tel Aviv University found that dedicated hyperbaric oxygen therapy is more effective in reducing pain and healing patients with fibromyalgia caused by traumatic brain injury. The treatment resulted in significant improvements in 2 out of 5 patients, including improved pain threshold tests and quality of life indicators.
A new study published in JACC: Advances confirms that exposure to road traffic noise can elevate hypertension risk. The research analyzed data from over 240,000 people and found a robust association between road traffic noise and hypertension, even after adjusting for air pollution.
Researchers at Goethe University Frankfurt have identified nitroxoline as a potential treatment alternative for mpox. The antibiotic demonstrates effectiveness against both the current mpox virus and a tecovirimat-resistant strain, offering a promising solution to combat the outbreak.
A new study published in Nature Climate Change reveals that pristine wetlands are currently a greenhouse gas sink, but this function will be reduced by over half in response to a 1.5-2°C temperature increase. Warming promotes net methane and nitrous oxide emissions from these ecosystems, posing a positive feedback on global warming.
Researchers at Indiana University School of Medicine discovered that bacteria causing vaginal infections can also be present in men and transmitted through heterosexual sex. The study found that only men who reported having vaginal sex carried the bacteria, with detectable presence for at least two months after intercourse.
Two species, South American sea lion and fur seal, are primarily involved in interactions with fisheries and aquaculture activities. The economic losses to fisheries related to sea lion depredation are low, while incidental capture and mortality of seals remain unknown.
Researchers found previously unknown interactions among people in southern Africa between the 5th and 20th centuries, revealing a complex network of cultural exchange. The study used geochemical analyses on copper objects to reconstruct connectivity across the region, providing new insights into the history of the area.
A national survey of radiologists reveals moral distress is widespread, often stemming from high case volumes and lack of administrative support. The study highlights the need for education of leadership regarding causes of distress among frontline workers to address this issue.
Researchers at Oregon State University have created a portable sensor that can detect cortisol hormone levels in sweat, providing a fast and reliable diagnostic tool for various diseases. The device uses an artificial enzyme to capture cortisol molecules, producing electrical signals that indicate the hormone's presence.
A new NIH study has identified common genetic markers underlying various substance use disorders, suggesting a link to dopamine signaling regulation. The findings may lead to more effective treatments and prevention strategies for multiple substance use disorders, including those with co-occurring mental health conditions.
A study by researchers from BirdLife International, WWF, and the University of Cambridge found that 80% of key biodiversity areas (KBAs) on land contain infrastructure, which is a significant driver of threats to biodiversity. The prevalence of infrastructure in KBAs is likely to increase due to planned developments.
Researchers identified high expression of glypican-1 in primary solid tumors, correlating with poor prognosis in various cancer types. Suppression of GPC1 attenuated cancer cell proliferation, suggesting its potential as a novel diagnostic tool and target for therapy.
A recent study published in BJOG found that nearly all women in England (97.5%) have at least one indicator of potential health risks during pregnancy, emphasizing the need for improved preconception care and policies to support women's overall well-being before pregnancy. The research highlights health disparities across different age...
Scientists have used gene therapy to increase 'cold shock protein' levels in mice brains, protecting them against prion disease. The approach could lead to a safer treatment for acute brain injury and prevention of neurodegenerative diseases like Alzheimer's.
Physicists at Delft University of Technology have developed a new technology on a microchip combining optical trapping and frequency combs to measure distances with high precision in opaque materials. The technology uses sound vibrations instead of light, offering a simple and low-power solution for applications such as monitoring the ...
A new study found that gut microbes can diagnose gestational diabetes as early as the first trimester of pregnancy. Women with gestational diabetes exhibit differences in gut microbiota, inflammation, and metabolites compared to those without the condition.
A team of MIT researchers has created an 'unclonable' label system to combat counterfeit seeds in Africa, where fake seeds can cost farmers up to two-thirds of expected crop yields. The system uses biodegradable silk-based tags with unique codes that cannot be replicated.
A new mosquito species, Culex lactator, has been found in Florida, with thriving populations reported in three counties. Scientists are concerned about the potential for this species to transmit diseases, particularly given the lack of research on its disease risk.
A study published in Neurology found an association between low bone density and an increased risk of developing dementia. Researchers analyzed data from 3,651 participants and found that those with the lowest total body bone density were 42% more likely to develop dementia than those with the highest bone density over a 10-year period.
A study found a common genetic signature that increases the risk of developing multiple substance use disorders. The research identified genes associated with dopamine signaling and could lead to universal therapies for addiction.
Researchers have developed a new method to encode single-cell tomograms using 3D Zernike polynomials, resulting in a data compression ratio of 22.9 and saving over 95% of space. The strategy is efficient on various experimental data types and can be applied to lab-on-a-chip systems.
A new study explores how language shapes attention and engagement, finding that easier-to-process language and emotional triggers like anxiety, excitement, and hope encourage readers to persist. Language, meanwhile, can discourage readers from continuing to read.
Scientists have found that antibodies targeting βII-spectrin on mesangial cells are the trigger for IgA nephropathy. This discovery enables blood-based diagnosis and may lead to improved treatments.
A study published in PLOS Global Public Health found significant increases in overdose deaths from all categories except heroin in 2020. The largest death rate was for black males in the District of Columbia due to fentanyl, with a rate almost 10 times higher than that for white males.
SourcePLOS·JournalPLOS Global Public Health·TypeObservational study·DateMar 22, 2023
A new study found that coronavirus lockdowns led to increased emotional and behavioral difficulties in children, particularly those with families experiencing co-habitation issues. Caregivers in Turkey reported higher levels of worry about COVID-19 infection, yet showed lower family co-existence difficulties.
The study found sex differences in brain structure and developmental changes in white matter during early childhood. In 5-year-olds, the pattern of white matter asymmetry resembled adult-like patterns, suggesting a possible transient feature in brain development.
A North Carolina State University study found that cover crop adoption can reduce crop insurance losses due to prevented planting in the US Midwest. Longer term use of cover crops also leads to larger reductions in prevented-planting risk, with a 1% increase translating to nearly $40 million in reduced indemnities.
Researchers stack ultrathin monolayers of semiconductors to create a moiré lattice that traps individual electrons in tiny slots. This configuration allows for continuous tuning of electron mass and density, leading to the observation of heavy electrons and potential emergence of a 'strange' metal phase.
A 2020 survey found that Ukrainians who perceived higher conflict between Ukraine and Russia were more likely to endorse false news about Russia, but less likely to believe false news about the European Union. Conflict perceptions play a significant role in the spread of misinformation.
A bilayer, nonwoven PET microfiber/polyvinylidene fluoride nanofiber membrane acts as a separator for LIB systems and prevents short circuits. The substrate significantly improves the mechanical and thermal properties of solid polymer electrolytes, enabling cells to operate over 2000 hours.
Engineers at UBC developed a new water treatment that captures up to 99% of PFAS particles, eliminating them from drinking water. The technology is particularly beneficial for rural communities with limited resources, offering a decentralized and in-home solution.
A new subset of memory B cells, marked by the FcRL5 receptor protein, has been identified as a predictor of long-lived antibody responses to influenza vaccination. These effector memory B cells can be detected seven days after immunization and correlate with vaccine antibody responses months later.
A universal HCl-assistant powder-to-powder strategy has been proposed for rapid and mass preparation of lead-free perovskite microcrystals. The new method achieves high product yield, eco-friendliness, low cost, and thermal- or pressure-free conditions.
The study identifies five exoplanets that resemble Venus in terms of radii, masses, and atmospheric conditions. By observing these 'exo-Venus' planets using the James Webb Space Telescope, scientists hope to uncover valuable insights into Earth's future and the possibility of a runaway greenhouse climate.
The study found that a microscopic change in a protein in the retina occurs within a fraction of a trillionth of a second, triggering the perception of light. This process involves the transformation of a molecule called retinal from its 11-cis form to its all-trans form, which takes just one picosecond.
A team of researchers at the University of Connecticut created freeform illuminators that enable flexible illumination design and calibration using a blood-coated sensor. The newly developed technology simplifies microscopy experiments by reducing size, increasing density, and adjusting angle of illumination.
The new architecture reduces physical qubits required for error correction to 10% of conventional architectures, enabling better performance than classical computers. This breakthrough accelerates progress toward practical quantum computing, with the aim of applying quantum computing applications to various societal issues.
Enzymatic droplets in cells exhibit directed self-propulsion and positioning, driven by influx of energy. The findings suggest a novel mechanism for controlling cell division, distinct from thermal equilibrium dynamics.
Researchers from USTC introduced a 'bubble diode' concept to address the issue of bubble precipitation in fast-charging Zn-air batteries. The design guides the development of bubble-free electrodes, leading to improved energy density, safety and environmental friendliness.
A study published by The BMJ found that ending performance-related payments for NHS GPs in Scotland was associated with a decline in the quality of some aspects of care compared to England. Researchers recommend continuing data collection to monitor the impact of changes on care quality.
Researchers at the University of Michigan have developed a new virtual testing environment that reduces the time and cost of autonomous vehicle (AV) testing by 99.99%. The system uses simulated terrible drivers to create challenging scenarios, allowing AVs to encounter rare safety-critical events in a shorter amount of time.
Two early-career cognitive neuroscientists, Anna Schapiro and Freek van Ede, have been awarded the prestigious Young Investigator Award by the Cognitive Neuroscience Society. Their research focuses on understanding human learning and working memory.
The study resolves a long-standing question about the structure of respiratory supercomplexes in unicellular eukaryotic organisms. Complex II is found to be part of the supercomplex in these organisms, optimizing ATP formation and revealing a surprising variety in supercomplex construction.
Researchers at St. Jude Children's Research Hospital and Rockefeller University have gained a better understanding of the cystic fibrosis transmembrane conductance regulator (CFTR). The new findings reveal how CFTR functions mechanistically and how disease mutations affect its function, paving the way for more effective therapies.
The oxygen-ion battery has an extremely long service life due to its ability to regenerate and store capacity that does not decrease over time. It also solves the problem of fire hazards associated with lithium-ion batteries.
A new study by Linköping University reveals that climate change alters natural greenhouse gas fluxes from streams and lakes, making landscape carbon sinks less effective. The researchers found that increased precipitation and temperature affect the amount of carbon washed into streams and lakes, leading to greater emissions.
Researchers used a monoclonal antibody to reduce circulating IgG levels, allowing for successful gene delivery to the liver and heart via systemic AAV-based gene therapy in mice and non-human primates. The strategy has potential to circumvent neutralizing antibody limitations and expand gene therapy accessibility.
Researchers from CHOP developed a prediction model that determines which newborn babies are likely to experience seizures in the NICU. The model, built using machine learning methods, can predict seizures with over 90% accuracy, particularly in newborns with hypoxic-ischemic encephalopathy.
Researchers found an increase in biologically available nitrogen during the time when marine eukaryotes became dominant, leading to a new era for life on Earth. This discovery links ancient ocean records to the present and beyond, providing context for global changes.
Researchers from Kyushu University found that the single mechanosensitive protein VGLL3 induces fibrosis, thickening and scarring tissue. The study suggests targeting this protein could lead to new treatments against fibrosis.
A study found that prenatal exposure to environmental pollutants contributes to childhood obesity and metabolic disorders. However, the researchers discovered that high levels of vitamin B12 may enhance the obesogenic effect of certain pollutants, while β-cryptoxanthin from oranges or apples may protect against these effects.
Researchers developed a neural implant that restored limb function to amputees and paralysed individuals by integrating with the brain and nerve. The biohybrid device combines electronic components with reprogrammed muscle cells, preventing scar tissue formation and improving signal extraction.
A Danish cohort study found that children born by cesarean section had lower chances of graduating from secondary education, but no significant difference in grade point averages or intelligence scores. Additionally, male CS births were less likely to be drafted into the military.
Researchers discovered that mechanical loading can exacerbate inflammation in aged muscles, hindering healing. However, combining mechanotherapy with anti-inflammatory treatment significantly improves healing in aged muscles.
A new study reveals that 31% of middle-aged people are frail or pre-frail, with frail individuals facing delayed or omitted medical care. Socioeconomic disadvantages exacerbate these disparities, making it challenging for frail, poorer Americans to access healthcare.
SourceVillageMD·JournalJournal of the American Medical Directors Association·TypeMeta-analysis·DateMar 22, 2023
A rare strain of Toxoplasma has been found in California sea otters, killing them with severe inflammation and potentially threatening other marine life. The COUG strain was first detected in Canadian mountain lions, and its impact on humans and other animals is unknown.
A new study links shorter telomeres to multiple changes in the brain associated with dementia, including reduced grey matter volume and a thicker cerebral cortex. Longer telomeres were found to be protective, reducing the risk of dementia but not stroke or Parkinson's disease.
A new course at Norwegian University of Science and Technology teaches risk management and resilience in maritime digital security. Despite the importance of training, many deck officers reported uncertainty about handling cyber incidents on board.
A novel sperm sex selection technique has been found to be around 80% effective in producing offspring of the desired sex. The new method is considered safe and its efficacy was determined through a small clinical trial.
Researchers achieved optical switching of a light signal at attosecond speeds, exceeding data transfer speeds by 1 million times. This breakthrough enables the development of ultrafast optical electronics and could increase data processing speed in long-distance communications.
Advances in drilling technology are unlocking geothermal energy's full potential, with supercritical water offering an efficient energy source. Improved drilling methods aim to overcome the financial barrier of deep geothermal exploration, enabling a step-change in power output.
Researchers examine phytoplankton blooms induced by tropical cyclones to predict climate change impacts. The study found a massive bloom in the wake of Cyclone Oma, which occurred once every 1500 years, and may indicate changes in ocean temperatures.
Researchers at Penn Medicine discovered that maintaining nicotinamide adenine dinucleotide (NAD) levels may protect against kidney disease. NAD supplements were shown to be effective in reversing NAD loss and suppressing inflammation in mouse kidneys, suggesting a potential therapeutic target for kidney disease prevention and treatment.
Researchers have developed a new restoration method that utilizes color space-based segmentation to clean up ancient manuscripts. This technique allows for the analysis of previously inaccessible or damaged texts, providing insights into history and culture.
The Academy of Breastfeeding Medicine has released new guidelines to help parents manage night-time breastfeeding in young infants. The guidelines emphasize the importance of mothers sleeping close to their babies and taking measures to minimize nighttime feedings, promoting a more responsive and baby-led approach to breastfeeding.
Researchers have found a potential treatment for osteoarthritis by targeting the GP130 immune receptor, which causes hyper-inflammation in joints. The new compound R805/CX-011 showed promising results in animal studies, reducing joint pain and stiffness, and may lead to Phase 1 and 2A clinical trials.
A study published in the Journal of Experimental Medicine reveals a unique subset of fibroblastic reticular cells in omental milky spots crucial for immune cell recruitment to prevent sepsis. These cells regulate the display of CXCL12, recruiting lymphocytes to sites of inflammation.
A study by Ruhr-University Bochum investigated how 76 prospective biology teachers argue about controversial topics such as mandatory vaccination against COVID-19. The researchers found that the structural complexity of their argumentation was good, but they could include a broader range of content areas and perspectives in their argum...
Researchers found that a plakophilin-2 mutation leads to increased desmosomal protein degradation in ACM hearts, causing structural and functional changes. Studying human heart samples and mice models confirmed the role of protein degradation in ACM development.
Researchers found that the Alba morph in female Colias butterflies evolved once near the last common ancestor over 1.2 million generations ago. The genetic basis of Alba was identified as a regulatory region in DNA, maintained through gene flow and balancing selection.
A recent study found that moderate exercise duration (≥150 minutes/week) improves gut microbiome richness and diversity, with no significant impact from exercise intensity. Additionally, normal-weight individuals showed the most beneficial changes, while overweight individuals' microbiomes were influenced by poor dietary habits.
Researchers have developed a new simulation method to study polarons in 2D materials, which could lead to breakthroughs in OLED TVs and hydrogen fuel production. The study uses quantum mechanical theory and computation to determine the fundamental properties of polarons in 2D materials.
Patricia M. LoRusso, DO, PhD (hc), has been elected as the American Association for Cancer Research President-Elect for 2023-2024, succeeding an unnamed previous president-elect. She is a professor of medicine and chief of experimental therapeutics at Yale Cancer Center and Smilow Cancer Hospital.
The new test helps detect new HIV infection and follows current guidelines for testing patients on HIV prevention medication. The study identified successful efforts and opportunities for process improvement during the first three months of implementation.
Researchers found that miR-145 suppresses cervical cancer cell growth and inhibits aerobic glycolysis. Targeting miR-145 is expected to be an effective strategy for cervical cancer treatment, according to the study.
A new study from PetDx shows OncoK9 performs similarly to its landmark clinical validation study in real-world settings, detecting 26 types of cancer in high-risk dogs. The test also provides peace of mind for veterinarians and families by detecting cancer in over 94% of negative cases.
A study of over 6,000 participants found that those consuming more than 550 milligrams of magnesium per day had a brain age approximately one year younger by 55 compared to those with normal intake. Increased magnesium intake was also associated with lower risk of dementia and better cognitive function.
Researchers have developed a novel process to convert nitrogen and hydrogen into ammonia at ambient temperature and pressure with high energy efficiency. The process uses a solid polymeric electrolyte and eliminates the need for purification, producing pure ammonia gas.