A new study by University of Waterloo researchers highlights the importance of using better face masks and proper ventilation to mitigate COVID-19 transmission indoors. The study found that higher-quality masks can filter up to 50% of exhaled aerosol droplets, while even modest ventilation rates are effective in reducing risk.
A new study finds that female walruses in the Chukchi Sea rely on biomarkers from algae growing within sea ice as a primary food source. The researchers tracked these markers using liver tissues from harvested animals, revealing a difference in foraging behavior between males and females.
Researchers from HKUST have developed a new approach to integrate complementary logic circuits into wide-bandgap semiconductor gallium nitride (GaN) electronics. This innovation enables the creation of more efficient and compact power supplies for emerging applications such as data centers, autonomous driving, and electric vehicles.
Researchers used social media posts to predict COVID-19 case counts, achieving correlation rates of up to 0.98 and improving on existing Google Flu Trends algorithm results. The study provides a highly-adaptive approach for feature engineering in epidemic prediction.
The American Heart Association highlights recommendations to safely manage pain, screen for opioid use disorder, and support treatment. The advisory aims to mitigate the devastating intersection of opioid abuse and cardiovascular disease.
A new study led by the University of Colorado Boulder has shed new light on the Great Unconformity, a mysterious gap in the Grand Canyon's rock record that covers hundreds of millions of years. The research suggests that a series of small faulting events may have caused rocks and sediment to wash away, creating the missing window of time.
A new study has found that the absence of Aire protein in mice leads to fertility problems similar to those affecting men with autoimmune polyendocrine syndrome type I (APS-1). Researchers discovered that Aire-dependent central tolerance plays a critical role in maintaining male fertility.
Research at Washington University in St. Louis reveals that white clover's chemical defense against insect pests comes from both of its parental species, not just one as previously thought. The plant's ecological success can be attributed to this cyanogenesis process.
Researchers from FSU and Rice University have estimated that the outer core contains between 5.5 and 36.8 × 10^24 grams of carbon, a massive amount considering its size. This refinement provides better constraints on the composition of the Earth's core and sheds light on the planet's carbon inventory.
Researchers found that many collectors are planting seeds in forests to conserve wild populations, but also using commercially acquired seeds from online purchases, threatening the plant's gene pool. The study aims to better understand ginseng forest farming and promote conservation efforts in Pennsylvania.
Researchers at SpheroFill are developing a unique oral drug delivery platform using microsphere technology, protecting drugs from degradation and enabling targeted release. This technology has the potential to improve medication compliance and delivery of sensitive biological drugs.
A team led by Dr. Yu Zhu has developed a more stable way to store energy in redox flow batteries, with a focus on aqueous organic materials and a new design strategy to enhance solubility. The technology has the potential to improve the usability of electricity-powered facilities such as vehicles.
Researchers developed a colorization method via color transfer termed CFPM, significantly reducing reconstruction time by 2/3 without sacrificing precision. This technique enables high-throughput full-color imaging in digital pathology.
Researchers at Rice and Baylor are expanding their efforts to halt bone cancer metastasis using a molecule targeting osteoporosis and HER2 protein. Their goal is to improve drug concentration at tumor sites, inhibit secondary metastasis, and explore the therapeutic effect mechanism.
Researchers at the University of Bristol used molecular computer simulations to understand how laboratory evolution transforms inefficient designer biocatalysts into highly active enzymes. They found that evolution 'tunes' the flexibility of the whole protein, allowing it to accelerate chemical reactions.
Researchers found that warmer Polar atmosphere leads to increased snowfall in Antarctica, offsetting sea level rise. The study used modern climate models to predict changes to sea levels and found the two ice sheets of Greenland and Antarctica respond differently.
Researchers have discovered that bat pups 'babble' as part of their initial language-learning stage, mirroring human infant babbling. This behavior suggests social feedback is crucial during vocal development in this species, similar to humans.
A deep learning tool for sarcopenia assessment on CT scans shows similar utility in predicting hip fractures and death at both L1 and L3 vertebral levels. Muscle attenuation measurements performed better than muscle area assessments, likely due to the inclusion of intramuscular fat.
A recent study found small but detectable increases in salt concentrations in surrounding surface waters near unconventional oil and gas development sites. The research, which analyzed data from over 46,000 wells and 60,000 surface water samples, suggests that the contamination occurs several months after well installation.
Researchers designed a novel copolymer with well-balanced ambipolar properties, exhibiting high gain and stability in organic digital and analog circuits. This breakthrough enables the exploration of organic circuits and other related electronic devices.
A new dataset combines demographic and financial information to identify communities at risk of climate-related gentrification. The Socio-Economic Physical Housing Eviction Risk (SEPHER) dataset provides insights into the impact of climate hazards on vulnerable populations, including increased evictions and rising housing costs.
Researchers developed a novel detector system using superconducting nanowire single-photon detectors to measure cerebral blood flow. The SNSPD-DCS system showed significant improvement in signal-to-noise ratio compared to conventional SPAD-based DCS, allowing for clearer detection of arterial pulses.
Researchers developed a dynamic photosynthesis model that simulated a 10-20% yield increase by improving crop leaves' ability to adjust to fluctuating light. The model identified two proteins essential for the adjustment, which could lead to significant productivity gains.
A four-year multicentre study by Ruhr-University Bochum's Department of Dermatosurgery found that adalimumab can be used both before and after surgery for moderate to severe hidradenitis suppurativa. The study involved 200 patients and showed the drug to be effective and safe in this context.
A team of researchers used remote sensing data and deep machine learning to identify hundreds of new shell ring sites in the southeastern US. The study provides a better understanding of how people lived in the area and offers a way to locate undiscovered shell rings.
Researchers identified and contacted patients with cancer who could benefit from targeted nonelectronic communication regarding COVID-19 immunization. The study used an analytics-based approach to reach marginalized populations, highlighting the importance of targeted outreach in increasing vaccine uptake.
A new study published in Cardiovascular Innovations and Applications found that acute emotional stress combined with chronic anxiety disorder can cause malignant ventricular tachycardia, cardiogenic shock, and even death. The study highlights the importance of psychological management to improve patient outcomes.
The study found that PirB expression increased with age and inhibited neural stem cell proliferation and differentiation. PirB-deficient mice showed an increase in Type 1 neural stem cells, promoting Sox2 and KLF4 gene expression. This suggests a potential therapeutic strategy for elderly or neurodegenerative patients.
Researchers analyze impact of risk factors on heat-related mortality at different spatial scales, finding age, education, and socioeconomic status are key contributors. A localized approach is needed to address specific conditions at the city, region, and neighborhood levels.
A new study led by UCL researchers confirms that genetic inheritance has a significant impact on educational outcomes. However, the study also reveals that parent genes that aren't directly inherited can shape parents' education levels and subsequently influence their children's learning environment, affecting their academic success.
A recent study by researchers at the University of Chicago found that hydraulic fracturing is associated with small increases in salt concentrations in surface waters across several shales and many watersheds. The largest impacts occurred during the early phases of production, generating large amounts of flowback and produced water.
Research reveals that humans take shorter strides than chimpanzees due to reduced pelvic rotation, extending their stride by only 5.4 times compared to the mini wiggles performed when walking. This discovery challenges the long-held assumption that humans have evolved the longest possible stride for efficiency.
Monash University researchers have established a vast collection of living prostate cancer tumors from patients, enabling the testing of new treatments and advancing patient care. The PDX collection comprises 59 tumors collected from 30 patients between 2012-2020, providing a unique resource for scientists and pharmaceutical companies.
Researchers at Massachusetts General Hospital have discovered the molecular changes triggered by converting skin cells into immature muscle cells. The findings may lead to generating patient-matched muscle cells for treating muscle injuries and conditions like muscular dystrophy.
A new commentary paper highlights the need for more research into the microbes living in and on sea creatures. The authors propose a research agenda to fill knowledge gaps and improve our understanding of beneficial microbes' roles in marine ecosystems.
A new study has identified 20 genetic regions linked to face shape in East Africans, highlighting the importance of diverse populations in understanding human facial features. The findings also reveal that shared genetic factors contribute to similarities across populations, while population-specific variants drive differences.
A new membrane design reduces dendrite issues in zinc-based batteries, achieving high areal capacity and current density. The study demonstrates improved energy efficiency and stability at high current densities.
Osaka University researchers demonstrate the readout of spin-polarized multielectron states composed of three or four electrons on a semiconductor quantum dot. This breakthrough may lead to quantum computers utilizing high-spin states, enabling faster and higher-capacity processing.
A study analyzing CT images from patients with heart failure and COVID-19 pneumonia found distinct characteristics. Heart failure patients showed less rounded morphology and more peribronchovascular thickening compared to COVID-19 pneumonia patients.
Researchers generate high-quality genome assemblies for common seadragons and alligator pipefish to study phenotype and sex-determination mechanisms. Key findings include the discovery of a putative sex-determination locus and candidate gene in both species.
A new study reveals zooplankton exhibit high-frequency 'mini-migrations' due to cloud shadows, affecting their energy expenditure and carbon transport. The daily process of swimming up and down in response to subtle changes in light intensity may have significant implications for Earth's carbon cycle.
A Rutgers study found that people with severe or prolonged COVID-19 have higher antibody levels against the virus. The study of 831 participants showed that immune responses vary by symptom severity, with those having persistent symptoms producing more antibodies.
A team of HKUST researchers has developed a low-cost, lightweight, and non-toxic battery that can harness solar energy and store it in a single device. The battery uses a lead-free perovskite material that absorbs light to generate charges, offering a promising solution for sustainable energy storage.
A national study suggests that half of pediatric opioid prescriptions are considered high-risk, increasing the risk of overdose and addiction. A small group of prescribers in the top 5% account for half of these high-risk prescriptions, particularly dentists or surgeons who practice mainly in the South.
A Lund University study finds that people often take psychological abuse less seriously, with physical violence being perceived as more severe. The research suggests communication difficulties and preconceived notions based on gender contribute to these disparities.
Researchers found that bat pups mimic human infant babbling patterns, including reduplication and rhythmic sequences, and engage in daily vocal practice behaviour for up to 7 weeks. The study provides insights into the evolutionary origins of human language, highlighting parallels between mammalian vocal learning.
A novel approach to improve fitness for surgery, known as 'prehabilitation', has been shown to reduce cancer patients' hospital stay by 1.8 days compared to standard care. This study suggests that prehabilitation can benefit patient outcomes and potentially confer a survival advantage.
Research by UC San Diego professor Uma R. Karmarkar found that display items from the same category as the target product enhance purchase chances, while mismatched products decrease them. This study used eye-tracking technology to examine how different types of displays influenced visual attention.
A study in Egypt identified significant barriers to primary PCI implementation in STEMI management, including prehospital and emergency department delays. The findings highlight the need for improvement in STEMI networks, training of interventional cardiologists, and hospital policies to enhance patient care.
Korean researchers have developed a nanometer-sized branch-shaped tungsten-silver catalyst that can acquire carbon monoxide in high yields from the electrochemical carbon dioxide conversion system. The catalyst exhibited a high sunlight-to-compound conversion efficiency of 12.1% when combined with commercialized silicon solar cells.
Astronomers discovered that comet ATLAS shares the same orbital track as an ancient comet from 1844, suggesting it's a sibling from a parent comet. The comet disintegrated while farther from the Sun than Earth, defying conventional wisdom about comets.
A survey study found that emergency medicine residents experience high rates of workplace mistreatment, including suicidal thoughts, and identify common sources of mistreatment as supervisors, colleagues, and patients. The study highlights the need for improved workplace culture and support systems to address these issues.
Researchers from Kessler Foundation found that cognitive rehabilitation programs are effective in treating multiple sclerosis-related cognitive dysfunction. Behavioral interventions such as restorative and compensatory approaches improve cognition and daily life functioning.
Researchers discover rattlesnakes' high-frequency rattle fools humans into thinking they're closer than they are, allowing for a 'distance safety margin'. The study suggests snakes evolved this smart signal to avoid being stepped on by large mammals.
A new study reveals that high-grade gliomas in dogs contain more immune cells associated with suppressing immune response than low-grade gliomas. The findings suggest that these brain tumors may recruit cells to aid in immunosuppression, which could lead to improved immunotherapies for both humans and dogs.
A CRISPR screening tool identified ZMYND8, an epigenetic regulatory protein, as a potential new therapeutic target for acute myeloid leukemia. Inhibiting ZMYND8 has been shown to leave cancer cells with smaller tumors and better survival in mouse models.
A new study published in the Journal of the American Heart Association found that Hispanic and Latino adults who perceive themselves as having higher social status are more likely to have ideal markers of cardiovascular health. The study suggests that subjective markers of social status may have stronger effects on the cardiovascular h...
Researchers have developed a new way to deliver molecular therapies to cells using a programmable system called SEND, which harnesses natural proteins in the body to encapsulate and deliver different RNA cargoes. This could lead to safer and more targeted delivery of gene editing and other molecular therapeutics.
Researchers studied electrical conduction through membranes during Controlled Breakdown, a technique to fabricate single nanopores. They found that redox reactions occur at the membrane-electrolyte interface, allowing localization of pore formation using metal microelectrodes.
Patients with relapsed metastatic melanoma who received prior anti-PD-1 therapies had a lower response rate to adoptive cell transfer of tumor-infiltrating lymphocytes (ACT-TIL). ACT-TIL was less effective in these patients compared to those who had never received anti-PD-1 therapy. The study found that the objective response rate and ...