Researchers at Queen Mary University of London discovered a new mechanism by which heart cells sense stiffness, involving both contraction forces and resting tension. The study found increased resting tension in heart cells after a heart attack or disease, leading to abnormal mechanosensing and signalling that contributes to heart fail...
A new study of 5,000 older people in the UK found that those with diabetes experience steeper rates of cognitive decline compared to those with normal blood sugar control. The study suggests that efforts to delay diabetes onset and control blood sugar levels may prevent subsequent progression of brain function decline.
A study of nearly 3,000 drinkers found that only a small percentage successfully reduced their alcohol consumption over six months. Despite good intentions, motivation alone is insufficient for reducing intake, with structural support and tools like smartphone apps potentially being effective.
A study found that human footprint reduces mammalian movement by two to three times, with no geographic or size-based exceptions. This affects ecosystem functions like nutrient transport and food web interactions, highlighting the need for further research on critical thresholds in human land use.
A study using fruit fly models reveals that a genetic mutation in the DNAJC13 gene leads to the accumulation of α-synuclein protein, causing motor dysfunction and neurodegeneration. This finding provides new insights into the molecular mechanisms of familial Parkinson's disease and may lead to the development of disease-modifying thera...
A new measure, STReR, is developed to assess how well dialysis facilities refer patients for transplantation. The study found that most variation in referrals was due to characteristics within the dialysis facilities rather than patient factors.
A new UCLA study found that a high-cholesterol diet can accelerate the formation of tumors in the colon by speeding up intestinal stem cell division. The research identified a molecular pathway that could serve as a new target for colon cancer treatment.
Scientists from ITMO University developed a silicon-gold nanoparticle that acts as an effective source of white light when agitated by a pulse laser in IR band. This technology makes modern near-field microscopy cheaper and simpler, with potential applications in medicine.
Biologists from Konstanz, Ulm, and Karlsruhe decipher the biochemical mechanism of p53 and PARP-1 interaction, significant for tumour biology. The study reveals that the protein p53 is modified through interaction with the enzyme PARP-1, which has far-reaching implications for its regulation.
A simple test has shown significant improvement in the recognition of possible posterior strokes by medical professionals. The finger-to-nose test, which assesses coordination and balance, doubled recognition rates for this type of stroke.
The discovery of the Misliya fossil suggests that Homo sapiens left Africa at least 50,000 years earlier than previously thought. The fossil, found in Israel, is between 175,000-200,000 years old and provides evidence of modern humans meeting and interacting with other archaic human groups.
A UCSB ecologist reconstructed the story of the missing foothill yellow-legged frog, finding a link to chytridiomycosis. The amphibian declined rapidly between 1960s and 1970s due to disease spread by the fungal pathogen.
Taxonomists have described two new snout moth genera and three new species in southern China, revealing distinctive features such as the presence of androconium scales on forewings. The newly discovered species are likely to be found in adjacent countries, including India.
Researchers found that combining medication to lower blood pressure with medication to lower cholesterol reduced first-time strokes by 44 percent. The study involved over 12,700 participants from 21 countries and showed that this combination is effective in reducing stroke risk for those at moderate risk for heart disease.
Researchers found that Asian Americans are more likely to experience severe ischemic strokes and have poorer functional recovery compared to whites. The study highlights the need for more focused research and different treatment strategies for Asian Americans.
A new study reveals alarming levels of phosphorus pollution in global freshwater basins, exceeding the Earth's ability to assimilate excess nutrients. Agricultural activity and domestic sewage are major contributors to this issue.
A two-year FINGER trial found that enhanced lifestyle counselling prevented cognitive decline despite the presence of the APOE4 gene. The intervention model is now being adapted and tested globally for global dementia prevention strategies.
The COMPASS trial found that the ADAPT technique is at least as good as stent retrievers for treating large-vessel occlusions, with 52% of patients achieving functional independence. Aspiration also showed a non-significant trend in favor of reperfusion success.
A global study using GPS data from over 800 animals found that terrestrial mammalian movements in areas with a high human footprint are significantly reduced. This fragmentation of habitats due to human infrastructure can have severe consequences for ecosystems, including changes in seed dispersal, food chains, and population sizes.
A global study finds human alterations to natural habitats reduce mammal travel distances by at least half, with some species relying on humans for resources. This disruption can impact ecosystems and food webs.
Researchers found that a repurposed drug used to treat Hepatitis C effectively protected and rescued neural cells infected by the Zika virus in both cell cultures and mouse models. The study suggests that the drug could be effective against Zika-infected adults, including pregnant women.
Researchers at the University of Liverpool have found that macrophages express insulin-like growth factors (IGFs) 1 and 2, which support breast cancer metastasis. The study suggests a significant reduction in tumour cell growth and lung metastasis when IGFs are blocked with paclitaxel.
A study published in PLOS Genetics identifies a genetic link between thinner corneas and an increased risk of glaucoma in humans. The researchers found that the protein POU6F2 plays a crucial role in regulating corneal thickness and may be a potential risk factor for glaucoma.
Scientists at the University of Freiburg have elucidated the mechanism of protein insertion into the mitochondrial outer membrane. The discovery sheds light on the formation and function of mitochondria, which play a crucial role in cellular energy production.
The discovery of a shape-memory mechanism in synthetic organic materials could lead to advancements in low-power electronics and medical devices. The researchers found that the transformation process is driven by concerted movement of molecules, enabling reversible and ultrafast shape changes.
Researchers have re-evaluated an overlooked antibiotic, increasing its effectiveness against extensively drug-resistant bacteria. Octapeptin showed superior antimicrobial activity to colistin against resistant Gram-negative bacteria.
A recent study published in Scientific Reports suggests that the eye is not as immune as previously thought, with some components being accessible to immune cells. This discovery has implications for wound healing and changes in vision such as cataracts, and may change the way we think about eye disorders.
Scientists have made significant progress in developing an ultra-stable telescope capable of detecting Earth-like planets and analyzing their atmospheres for signs of life. The team has successfully measured subatomic- or picometer-sized distortions across a five-foot segmented mirror, paving the way for future missions.
A new method developed by NIH researchers uses a novel approach to categorize and visualize career outcomes of postdoctoral fellows, revealing distinct differences between US and international postdocs. The study found that nearly half of NIEHS postdocs went into the academic sector, contrary to common assumptions.
Researchers have discovered that acesulfame potassium, an artificial sweetener widely used in foods and drinks, could lead to the development of a more selective therapy for aggressive cancers. The compound is more selective towards carbonic anhydrase IX than previously studied saccharin, potentially offering fewer side effects.
Researchers developed an ultra-thin, flexible sensor that can track glucose levels in tears and sweat for improved diabetes monitoring. The biosensor detects a range of glucose concentrations and is flexible enough to be incorporated into contact lenses or watches.
A new study found that financial barriers may limit willingness to call 9-1-1 when experiencing stroke symptoms in minority neighborhoods. The study analyzed survey responses from Chicago residents and found that ambulance charges may prevent people from seeking timely medical attention.
A new family of viruses, Autolykiviridae, has been discovered that kill more marine bacteria than previously known tailed viruses. These viruses may also be present in the human gut and could play a role in maintaining the ocean's ecology and influencing human health.
A recent study reveals substantial inequalities in cesarean births persisting across countries, with higher rates among the richest fifths indicating overuse. The researchers emphasize the need for targeted policies to ensure equitable access to caesarean sections and improve maternal and newborn health.
Researchers found that elevated frequencies of a specific protein-expressing T cell correlate with increased HIV infection risk and more severe disease in women. Existing treatments for inflammatory bowel disease may be repurposed as valuable interventions for HIV.
Researchers at Florida State University are developing a new nonmedication treatment for ADHD using video games. The Central Executive Training program aims to boost brain executive functions and reduce hyperactivity symptoms in children. A five-year NIH grant will test the effectiveness of this innovative approach.
Researchers found that women in female-dominated workplaces face a 'women's work penalty' with worse access to flexible working arrangements. The study, published in the European Journal of Industrial Relations, suggests that low wages are accompanied by poor working conditions.
Parkinson's UK is providing over $1 million in funding to Neurolixis to accelerate the development of a promising new drug for people with Parkinson's. The project aims to address L-DOPA-induced dyskinesia, a disabling side effect of long-term L-DOPA treatment.
Researchers at Oregon State University discovered that exposure to valproic acid, a migraine treatment, causes characteristics similar to autism spectrum disorder (ASD) in zebrafish. The study validated zebrafish as a model for studying ASD and its causes, providing a faster and more efficient alternative to traditional rodent models.
A recent study by MLU psychologists found that nearly a third of residents near wind farms experience little to no annoyance from the noise, while one in ten suffer from stress symptoms. The researchers recommend proactive addressing residents' concerns during planning phases and providing early information campaigns.
A study found that terrorist attacks do not change employers' hiring practices, despite public opinion reacting to the attacks. Ethnic discrimination against Pakistanis remains consistent before and after terrorist attacks in Norway.
Entomologist Brian Brown discovers the new fly species, named Megapropodiphora arnoldi, with highly reduced legs and tiny wings. The fly is likely a parasitoid of ants or termites.
Researchers at Aarhus University have found a new mechanism by which an antibody can prevent allergic reactions, including those caused by birch pollen and insect venom. The antibody interferes with the binding of IgE molecules to immune cells, thereby eliminating allergic symptoms.
A new study found that Medicaid expansion in the US led to improved access to surgery and higher quality surgical care, with significant improvements seen within less than two years. The study analyzed data from nearly 300,000 patients and compared 27 states with expanded Medicaid coverage to 15 without expansion.
Researchers found that fewer than one in five stroke survivors met at least four ideal health metrics, including healthy eating and exercise. The proportion who failed to meet even one criterion has increased over time, highlighting the need for targeted interventions to improve cardiovascular health.
Researchers at Osaka University redesigned a polymer to improve its hole conductivity, enhancing solar power conversion performance. This design enables mass production through simple printing methods, potentially lowering costs and increasing adoption of plastic solar cells.
A team at Brigham Young University has developed a method to produce full-color, aerial volumetric images with 10-micron image points using photophoretic optical trapping. The display can be seen from any angle, unlike traditional holographic projections, and is akin to a 3D printer for light.
The study found that ACA's Medicaid expansion led to significant increases in insurance coverage and a greater likelihood of patients receiving timely and optimal care for five common surgical conditions. This improvement was particularly notable for patients with serious surgical conditions such as appendicitis or aortic aneurysm.
A study by MUSC Health found that using a mechanical ISDD and educating staff led to a nearly four-fold decrease in contaminated blood cultures. This reduction resulted in improved accurate diagnoses, decreased antibiotic use, and cost savings.
A century of observations reveals how sea-level rise is increasing tidal range in the Chesapeake and Delaware bays, impacting ocean navigation, fishing, and energy sources. The study found that sea-level rise can amplify tidal effects in some areas, while decreasing them in others.
Researchers have found that changes in adipose tissue lipid metabolism contribute to the development of heart failure. The study suggests that targeting fat tissue may provide a new approach to treating heart disease.
The study provides a complete genome assembly of the planarian flatworm Schmidtea mediterranea, revealing novel giant repeat elements, new genes, and the absence of certain essential genes. The discovery has potential implications for understanding regeneration research and stem cell biology.
A new comprehensive system, SAEBRS, equips teachers to identify students at risk of mental health issues through student self-assessments. The tool aims to provide early intervention and support to nearly 1 in 5 students who experience severe mental or behavioral health problems during their academic careers.
Researchers studied over 2,500 hugs to understand how emotional context affects hug behavior. They found that emotional states influence the lateralization of hugs, with left-sided hugs more common in positive situations and right-sided hugs in negative contexts. Handedness and footedness also play a role in predicting hug direction.
Scientists at Berkeley Lab have unraveled the mystery of a multiplier mechanism in an organic crystal, which holds promise for dramatically boosting the efficiency of organic solar cells. The discovery explains how this reaction can occur in just tens of femtoseconds, avoiding loss of energy as heat.
A new study from the University of Sheffield suggests that vitamin D supplements could help alleviate painful IBS symptoms. The research found a high prevalence of vitamin D deficiency in IBS patients, regardless of ethnicity, and showed that vitamin D supplements had the most benefit on quality of life.
A study published in British Journal of Clinical Pharmacology analyzed herbal product interactions with prescription medications. The analysis revealed significant adverse drug reactions, particularly among patients taking warfarin and statins for cardiovascular complications.
Scientists at UNC School of Medicine and UCSF have solved the first high-resolution crystal structure of the dopamine 2 receptor bound to risperidone, a commonly prescribed antipsychotic medication. This discovery may lead to more selective medications with fewer side effects for patients with schizophrenia, bipolar disorder, and autis...
A new silicon-based sensor developed by TU Wien measures electric field strength without distortion, with potential applications in weather forecasting, industrial process control, and high-voltage power line safety. The sensor achieves impressive levels of precision, reliably measuring weak fields of less than 200 volts per meter.
Researchers develop hybrid material combining nacre mimetic with silver nanowires, exhibiting excellent heating properties and high flexibility. The composite material shows promise for wearable devices, such as bendable heaters.