A recent UBC study measured the biochemical properties of zooplankton in the Strait of Georgia, finding that seasonal changes in plankton food web pathways drive variability in plankton fatty acid composition. This shift confers a higher nutritional value to zooplankton in the summer, benefiting juvenile salmon and herring.
Researchers at the University of Halle have found a way to spontaneously generate molecules with uniform chirality in liquids, liquid-crystalline and crystalline materials. This breakthrough could lead to new active substances and materials science applications.
A team of Brown University physicists has developed a new type of compact, ultra-sensitive magnetometer that could be useful in applications involving weak magnetic fields. The device uses the anomalous Hall effect and is up to 20 times more sensitive than traditional Hall effect sensors.
A study published in Cognition found that 14-month-old infants expect to communicate with others who speak the same language, and that their environment influences these expectations. Infants from bilingual environments were more likely to predict successful communication across languages.
Researchers used photographs of frogs in their natural habitats to identify individual species without capturing them. This method was successful in identifying 94.3% of the 'Beautiful stream frog' population, providing a promising approach for estimating endangered frog populations.
Researchers at USC Dornsife College of Letters, Arts and Sciences have successfully created metallic ammonia, allowing for a clearer understanding of the behavior of delocalized electrons. The study's findings open up new possibilities for synthesizing important organic compounds using this unique solution.
A study found that SARS-CoV-2 infection led to renal Fanconi syndrome in 75% of hospitalized COVID-19 patients, characterized by proteinuria, phosphate loss, and increased uric acid excretion. The condition often preceded severe acute kidney injury, and intensive care patients were more frequently affected.
Researchers found that making the chase harder increased a potential mate's desirability, as those who are selective in their partner choices are perceived as more valued. Participants who exerted efforts to see a potential partner were also rated as more sexually desirable than those with little effort.
A new study found that primary school students' perceptions of science and scientists are influenced by media stereotypes, with many feeling that a career in science is too difficult or high-pressure. Despite this, most students do not see gender as a barrier to becoming a scientist, showing progress in normalizing women in STEM.
Scientists at Sanford Burnham Prebys Medical Discovery Institute have shown that a protein called Slug regulates cell movement and can be inhibited to suppress pancreatic cancer metastasis. The study also identified two druggable targets, ERK and eIF2 alpha, which hold promise as treatments for the deadly disease.
A team led by Nathan Youngblood and Feng Xiong investigated how light affects 2D materials like MoTe2 for improved data storage. They found that reducing material dimensions increases efficiency due to energy proportional to area rather than volume.
Minor ginsenosides have diverse pharmacological activities, including anti-cancer, anti-diabetic, neuroprotective, immunomodulator, and anti-inflammatory effects. The utilization of microorganisms and their enzymes for biotransformation and biosynthesis are considered highly specific, safe, and environmentally friendly production methods.
A team of researchers found that sweat bees switch from solitary to social behavior by repurposing ancient genes, challenging the long-held assumption that new genetic variants are always necessary for evolution. The study provides evidence that environmental influences can drive the evolution of complex traits like social behavior.
A Stanford-led study reveals that reducing the number of unused containers can be an effective means of mosquito control, with women and children playing key roles in implementing this approach. The researchers identified laundry buckets and tires as common breeding habitats for Aedes aegypti mosquitoes.
Researchers used model simulations to study Saturn's polar hexagon, discovering a potential mechanism for its formation. The simulations produced latitudinal flow jets and vortices that resembled those observed on Saturn, suggesting a possible explanation for the stable pattern.
Heavy rainfall rates of up to 1 inch per hour were observed north of Tropical Storm Cristobal, leading to large amounts of rain on the ground. The National Hurricane Center predicts storm total rainfall accumulations of 5-10 inches across portions of the Gulf Coast.
Research by Gijsbert Stoet and David Geary found that men are less likely to pursue tertiary education due to weaker reading abilities and negative attitudes towards women attending college. The study analyzed data from 18 countries, predicting a significant drop in male representation if discriminatory attitudes were eliminated.
Researchers have calculated Gross Ecosystem Product (GEP), a monetary value of ecosystem services. GEP calculations for China's Qinghai Province showed over half of its value came from water supply, with GEP exceeding GDP in the year 2000 and being ¾ as large as GDP by 2015.
Researchers have identified a small mitochondrial uncoupler called BAM15 that decreases body fat mass in mice without affecting food intake or muscle mass. The molecule also shows promise in reducing insulin resistance and oxidative stress associated with obesity and related diseases.
Scientists at Illinois have identified a novel enzymatic reaction that uses repurposed enzymes to produce high-yields of valuable chiral carbonyl compounds. This eco-friendly process merges biocatalysis with photocatalysis, offering potential applications in pharmaceutical and bioenergy fields.
A new study reveals widespread failure to disclose organizational financial conflicts of interest by producers of Canadian clinical practice guidelines on medications. Most guideline producers receive industry funding from drug companies, but none disclose this funding in their guidelines.
A study from UC Davis maps 15% of California's natural lands as 'climate refugia' where existing vegetation can buffer climate change impacts. These areas are priority targets for conservation and wildfire restoration efforts, offering a chance to conserve habitat and services for wildlife.
A study found 64 pesticide residues in milkweed, contaminating the main food source for monarch butterflies in the west. Pesticides were present at levels harmful to monarchs and other insects, raising concerns for the already critically small western monarch population.
Researchers develop implant that uses magnetic energy to produce high-frequency signals for treating epilepsy, Parkinson's disease, chronic pain and other conditions. The miniaturization enables wireless power delivery and minimally invasive procedure.
Fossils from the Huajiying Formation in northern China reveal that the Jehol Biota appeared around 135 million years ago and lasted for approximately 15 million years. This early biota includes feathered dinosaurs, early birds, mammals, insects, and flowering plants.
A new software project aims to provide a decision-making tool for health providers and policymakers to balance the need for research with patient privacy concerns. The tool will evaluate risks of sharing sensitive patient data, such as location or medical history, to prevent identification.
Scientists have created a highly sensitive glyphosate detection method using elastic hydrogel microparticles that inhibit binding to a chip surface. The method offers an extremely high level of sensitivity with regard to pesticide limits for drinking water.
A recent study found that SARS-CoV-2 can induce kidney injury in patients, particularly those with high blood pressure and APOL1 gene variants. The virus triggers an inflammatory reaction, leading to collapsing glomerulopathy and tubular damage, even in the absence of direct viral infection.
One in five Australian mothers is not receiving critical perinatal mental health checks, according to a University of Queensland study. The study found that older mothers and those with emotional distress are less likely to be screened for mental health issues.
Researchers create memristors on a single chip, enabling small, portable AI devices to recognize objects and make decisions in real-time. The design could advance the development of neuromorphic computing and enable powerful, portable computing devices that don't rely on supercomputers or the Internet.
The COVID-19 pandemic has seen US cases surge to 1.5 million and deaths exceed 100 thousand despite severe lockdowns. The journal Disaster Medicine and Public Health Preparedness explores the reasons behind this surge, discussing transmission and individual population susceptibility.
A study of 1,201 patients found that pre-surgery use of opioids, sedatives, or antidepressants increased complications after colorectal surgery. Regular opioid users faced higher risks of infections, respiratory failure, and mortality.
The most successful protégés studied under mentors who demonstrated unique skills in ideating and publishing celebrated research, breaking away from their mentors' lines of research. These mentors were future scientific prizewinners. The study reveals that face-to-face interaction is essential for transferring tacit knowledge.
The German Research Foundation has approved a new Collaborative Research Center (CRC/Transregio 288) 'Elastic Tuning and Response of Electronic Quantum Phases of Matter' at Mainz University. Researchers will investigate quantum materials with properties that can be controlled by mechanical deformation.
The European League Against Rheumatism (EULAR) has launched a Virtual Research Centre to address barriers in rheumatic and musculoskeletal disease research. The centre aims to facilitate collaborative research, provide access to resources and technology, and develop broad coalitions for innovation and training.
Researchers found that ovarian cancer patients with a modified BRCA1 gene do not respond better to platinum chemotherapy or have a better prognosis than those with the normal functioning gene. However, they did live longer on these treatments compared to those without any gene modifications.
Scientists created a scaled-down shock wave in the lab, mimicking supernova remnants. The study found that turbulent electromagnetic fields within the shock boost electron speeds, allowing particles to escape and gain even more speed.
Recent studies by Hollings Cancer Center researcher Chanita Hughes-Halbert highlight the importance of effective chronic disease prevention and management for male minority prostate cancer patients and veterans. The research emphasizes the need for better training programs and social determinants-based approaches to address underlying ...
Researchers at the University of York found that memories for specific locations are either totally forgotten or precisely recalled. The study showed that forgetting involves losses in memory accessibility without changes in precision.
Researchers screened 163,000 DNA mutations in C. elegans roundworms to understand the interplay between DNA damage and faulty repair systems. The study found that multiple DNA repair pathways work together to prevent mutagenesis, and a single mutagen can leave varying mutational signatures depending on the faulty repair system.
Researchers at Universitat Politècnica de València assessed the effectiveness of Bluetooth technology in contact tracing. The study found that Bluetooth is the most suitable technology for detecting contacts within a 2-3 meter range, reducing false contacts and improving efficiency.
The American Medical Society for Sports Medicine (AMSSM) has issued a position statement on sexual violence in sport, defining it as an egregious violation of an athlete's right to safety. The statement outlines key principles for reducing sexual violence, including mandated reporting, training, and background checks.
A new consensus statement by 119 microbiologists proposes updating the International Code of Nomenclature of Prokaryotes to include uncultivated bacteria and archaea represented by DNA sequence information. This would enable researchers to create a unified list of all discovered species and implement universal quality standards for nam...
Researchers at Okayama University create novel electrochemical reaction to produce thienoacenes, key building blocks in organic semiconductors. The new method replaces expensive rare metal catalysts with an eco-friendly approach, reducing manufacturing costs and environmental impact.
A randomized trial of a hospice video educational tool found that patients who viewed the video were more likely to prefer hospice at end-of-life and had longer hospice use compared to those receiving verbal descriptions. Caregivers also reported greater knowledge and preferences for hospice care after viewing the video.
Researchers at University of Warwick discover that tanycytes, a type of glial cell in the brain, can increase appetite by delivering signals to neurons. The study found that stimulating tanycytes leads to an increase in food intake due to the activation of two pathways involved in feeding behavior.
Physicists studied mirror nuclei helium-3 and tritium to measure their properties with high precision. The results showed that the data generally matched theoretical calculations well, but with some differences, indicating a need for further refinements in nuclear theory.
IQWiG developed two new study filters to reduce hits when searching for non-randomized studies (NRS) in PubMed and Medline. The filters improve the sensitivity and specificity of NRS searches, yielding a high rate of relevant results.
A team of researchers has discovered that quasar jets change from parabolic to conical shapes at a distance from the black hole, similar to flared jeans. This finding challenges the long-held assumption of narrow cone-shaped jets and provides new insights into black hole acceleration.
Researchers have identified four SARS-CoV-2 spike protein antigens that neutralized up to 98% of the virus after two vaccinations, with the RBD antigen showing the most promise for high-affinity antibody production
Researchers at the University of Cincinnati have found that a combination therapy using SapC-DOPS nanovesicles and standard chemotherapy may improve outcomes for patients with pancreatic cancer. The study suggests that this approach could potentially extend lives and provide hope to patients with limited treatment options.
Analysis of SARS-CoV-2 genomes in California patients revealed a complex series of introductions, limiting transmission between communities. The study suggests that social distancing and travel restrictions are crucial to contain COVID-19 spread in the state.
A national surveillance study found that more than half of pregnant women recently admitted to a UK hospital with COVID-19 infection were from black or other ethnic minority groups. Most women had good outcomes, but the high proportion of women from these groups warrants urgent investigation and explanation.
A team of Penn State professors has received a $3 million grant to investigate food resilience in the face of catastrophic global events. The researchers aim to develop strategies for emergency food production, including the use of alternative crops, soilless growing systems, and long-term storage methods.
A study by the Dresden research team discovered the essential role of the SETDB1 protein in regulating heterochromatin formation and preventing inflammation in the intestinal epithelium. The findings suggest that mutations in this gene may contribute to intestinal inflammation in humans, particularly in inflammatory bowel diseases.
Research published by the European Society of Cardiology found that tai chi was linked to a boost in both mood and quality of life for patients with coronary heart disease, heart failure, hypertension, and stroke. The study also found that tai chi was associated with better mental health quality of life and reduced depression.
Researchers develop lab-engineered model of human blood-brain barrier, discovering how APOE4 variant causes amyloid protein plaques to disrupt brain's vasculature. They identify specific vascular cell type and molecular pathway that promotes cerebral amyloid angiopathy pathology.
Research at Ben-Gurion U found that zero interest rates motivate individuals to borrow money and take risks, while negative rates have a lesser impact on investment decisions. The study suggests that savers might prefer holding cash over accepting negative rates due to associated risks.
A large study in northern Italy found that even frail elderly people (65 and older) who take blood pressure medication as prescribed live longer. The healthiest older people experienced the biggest survival boost, with benefits greatest for those taking more than 75% of their prescribed doses.
A research group from Kumamoto University found the transcription factor RUNX3 plays a cancer growth function in what was previously thought to be a tumor suppressor. RUNX3 is also linked to the initiation and propagation of MDS stem cells, making it a promising new therapeutic target.