Early human challenge trials of SARS-CoV-2 vaccines may be the correct test of ethics, meeting equitable distribution principles. An international governance system is proposed to oversee access to Covid-19 vaccines and treatments.
miR-151a regulates endothelial cell motility and angiogenesis, with Slug expression required for these functions, providing new insights into the processes in the lung niche environment. The study highlights the potential of miR-151a as a therapeutic target against lung cancer.
The first issue of Restoration Ecology - Arid Lands (RE-AL) shares diverse voices from around the world focused on restoration in arid environments. Key findings include innovative technologies and best practices for practitioners in these ecosystems, addressing climate change and social importance.
Researchers analyzed the genetic variability of immunity in response to COVID-19, identifying key HLA molecules that contribute to individual susceptibility. The study found significant differences in HLA variant frequencies across populations, suggesting past adaptations to different pathogenic pressures.
A new study found that a severe spring heatwave in Europe contributed to the 2018 summer drought, depleting soil moisture. The research suggests that adopting alternative land management strategies could mitigate droughts' effects.
A new study demonstrates a modified 3D-printing process producing multiple colors from a single ink by mimicking nature's structural coloration. The method uses nanoscale structures called photonic crystals to reflect light and produce vivid colors.
Researchers from DZNE and experts from US institutions study how noise in movement speed perception affects spatial navigation. They found that internal noise, accumulating with age, is the main cause of errors in determining position, leading to age-related orientation problems.
Researchers have identified key toxins in Nomura's jellyfish that make its venom deadly to some swimmers. The venom is a complex mix of toxins similar to those found in poisonous snakes, spiders, and bees.
A UT Southwestern study found that obesity patients faced significant health challenges during the pandemic, including difficulties with diet and exercise, anxiety, and depression. The study's findings highlight the need for effective strategies to minimize the physical and psychosocial impacts of COVID-19 on adults with obesity.
A single-center retrospective study of 282 patients with early or locally advanced lung adenocarcinoma found that EGFR-mutated lung cancer had increased rates of metastatic recurrence. Early identification of these recurrences is crucial, given the improved post-relapse survival observed in this population.
A recent study published in Nature Communications reveals the Unfolded Protein Response (UPR) regulon, a comprehensive list of genes activated to promote cell survival under stress. The researchers discovered that changes in one-carbon metabolism, relying on vitamin folate as a cofactor, contribute to chemoresistance in cancer cells.
A research team at ISGlobal has developed a system to induce massive sexual conversion of the P. falciparum malaria parasite in vitro, enabling deeper understanding and design of new tools to block malaria transmission. This technique allows for synchronization of parasites at the initial stages of sexual development.
Researchers at the University of South Carolina are developing a model that uses Twitter data to predict future pandemics and track human movement patterns. By analyzing location data embedded in tweets, they aim to identify areas at high risk of infection and develop tools to help health officials stay ahead of outbreaks.
A new study found that mule deer migrations are limited when surface disturbance exceeds 3 percent, but can continue through areas with lower disturbance. Researchers hope to expand this work to understand how migratory animals respond to disturbed landscapes.
Researchers at the University of British Columbia have discovered a key enzyme that contributes to eczema's debilitating effects, offering new hope for treatment. By inhibiting Granzyme B, the study suggests a safer and more effective long-term treatment could prevent skin damage and reduce symptoms.
The COVID-19 pandemic is exacerbated by co-existing non-communicable diseases (NCDs) and poverty, particularly in communities of poverty. Precision public health strategies are needed to address the interaction between COVID-19 mortality and NCDs.
Researchers found BAM15 boosts energy burning, preventing weight gain and fat buildup, while reducing blood sugar levels. The compound also improves insulin sensitivity and restricts fat accumulation in the liver, kidney, and blood.
Researchers at University of Alaska Fairbanks found that seismic surveys can cause long-lasting scars on the tundra, affecting its hydrology and habitat. The study emphasizes the need for more data on seismic exploration impacts and better weather records to minimize damage in the Arctic Refuge.
Researchers have created a new 'sun clock' using 200 years of sunspot observations to map solar activity over 18 solar cycles. The analysis reveals sharp transitions between quiet and active periods in solar activity, allowing scientists to estimate the risk of future solar superstorms.
A new study at Brighton and Sussex Medical School found that people make irrational trust decisions precisely when online health information includes both 'shouting' and spelling mistakes. The results show an additive effect, making the combination of errors the most concerning for credibility. Experts emphasize the importance of under...
Researchers at Uppsala University have resurrected billions-year-old enzymes and repurposed them to catalyse new chemical reactions. The study develops sustainable solutions in biotechnology and chemically degrades environmental toxins.
A study from China found that frontline healthcare professionals who were adequately protected with personal protective equipment (PPE) did not contract COVID-19 or develop immunity. The researchers emphasize the need for adequate PPE and training for healthcare professionals working in high-exposure environments.
The regional coupled C-N-H2O cycle involves regional transport and transformation processes, biogeochemical C-N-H2O processes, and interactions between elements at the terrestrial-atmosphere and terrestrial-freshwater interfaces. Climate change impacts the cycle by driving nutrient cycling, primary productivity, and abiotic processes.
A new study found that equity analysts place greater emphasis on early impressions and experience a strong first impression bias that influences their forecasts for up to six years. Negative first impressions had roughly double the economic effect on forecasts compared to positive ones, leading to more pessimistic forecasts.
The COVID-19 pandemic's economic recovery will significantly impact global warming, with stimulus dollars spent on fossil fuels or clean energy having a lasting effect. Governments must prioritize a green recovery, investing in sectors like renewables and energy efficiency to create jobs and reduce emissions.
Research found that college students in Colorado increased their daily sleep time by 30 minutes and kept more regular sleep schedules after stay-at-home orders. Post-pandemic, students also met the CDC's minimum seven hours of recommended sleep, with some sleeping up to two extra hours nightly.
A JAMA Network Open study reveals that nearly half of medical treatments and orders for incapacitated patients are incompatible with the surrogate's goals of care. Surrogates tend to prefer less aggressive care options, which often don't align with hospital treatment protocols.
Physicists at Moscow Institute of Physics and Technology have developed a new method for wind speed remote measurements. The instrument measures infrared atmospheric absorption spectrum with ultra-high spectral resolution, enabling retrieval of wind speeds with accuracy of 3-5 meters per second.
Researchers at Vanderbilt University Medical Center discovered that C. diff uses a protein system called HsmRA to capture heme from blood cells, building a protective shield against threats from the immune system and antibiotics. This finding suggests novel strategies for weakening its defenses.
Research in Curonian Spit beaches reveals significant macro waste pollution in isolated spots, while microplastic is evenly distributed due to sea storms, affecting the environment and nearby port city Klaipeda with massive industrial activity
Researchers from DGIST introduce a new post-synthetic modification (PSM) method for Metal-Organic Frameworks (MOFs), generating highly porous mesostructures. This technique enables the introduction of desired functional groups and mesoscopic holes, improving adsorption kinetics.
A study analyzing grade data for over 25,000 students found that minority students who score above C- are 'hyperpersistent' in STEM classes. The researchers suggest improving student performance could disproportionately increase the retention rate of underrepresented students in STEM majors.
A UCLA team successfully treated a child with disseminated coccidioidomycosis by modulating their immune system, paving the way for new treatment approaches for other severe infections. The treatment involves combining established antifungal medications with immune stimulators.
Research by the University of North Carolina at Chapel Hill found significantly higher medical costs for treating metastatic breast cancer in younger women compared to earlier-stage cancer patients or those without cancer. Treatment continues for longer and includes end-of-life care, contributing to high costs.
The Building Wealth and Health Network program at Drexel University's Center for Hunger-Free Communities reduces food insecurity by promoting healing and financial control through group experiences. Participants are 55% less likely to experience household food insecurity after completing the 16-session program.
A new study on extinct camelids provides the first quantitative characterization of their ecomorphology in ancient North American savannas. The analysis reveals that these ecosystems were drier than modern African savannas, leading to a decrease in ungulate diversity.
Researchers evaluated 40 climate models focusing on Antarctic sea ice, finding improvements in projections compared to previous models. The study sheds light on dynamics in the Southern Ocean surrounding Antarctica, essential for understanding global climate changes.
Researchers have demonstrated a new type of flexible, recyclable electrode that could replace traditional transparent conductive oxides in creating low-cost solar cells, computer displays, smartphone touch screens, and smart windows. The electrodes boasted high transmittance, low sheet resistance, and outstanding flexural endurance.
A recent study by the American Society of Agronomy found that reusing chicken litter can deter growth of pathogens like Salmonella. Researchers discovered 'good' bacteria in used poultry litter can hinder Salmonella growth, providing new information on the relationship between litter environment and microbiome.
A new study from the University of Washington reveals that underrepresented students are more likely to drop out of STEM courses due to lower grades in general chemistry. However, if they complete the first course with a minimum grade, they are more persistent and continue in STEM. The study suggests that teaching methods, including tr...
Post-tropical cyclone Cristobal is soaking the Great Lakes, triggering watches and warnings for heavy rain, gusty winds, and tornadoes. Rainfall rates reached 1 inch per hour in some areas, with minor to moderate river flooding expected.
Researchers developed an aerosol-jet printed graphene sensor to detect histamines in food with high sensitivity and rapid response time. The sensor showed a quick response time of 33 minutes without pre-labelling, reducing the need for laboratory testing.
Scientists used genomic analysis to assess genetic variability in 17 seal species, finding that past population fluctuations have had a significant effect on contemporary populations. The study estimates the risk of genetic impoverishment and inbreeding, with implications for conservation efforts.
Neutrophils, a key player in the immune system, have been found to preferentially phagocytose (eat) rod-shaped particles. This preference may lead to targeting neutrophils and leaving other white blood cells to do their jobs, potentially preventing acute respiratory distress syndrome caused by COVID-19.
Researchers at the University of Maryland School of Medicine have identified a new genetic defect linked to amyotrophic lateral sclerosis (ALS), a devastating condition causing progressive paralysis and mental deterioration. The discovery may lead to new treatments for ALS, with potential implications for other neurodegenerative diseases.
A study found that survivin positivity by IHC correlates with shorter survival in Neuroendocrine tumors. Radiation exposure increases BIRC5 gene expression, which is associated with an inferior survival. Survivin long peptide-mimic vaccine shows promise in preclinical studies.
Researchers have developed a new feedforward method that improves on conventional techniques by obtaining parameters from an uncertain environment. This approach achieved better performance than the traditional method in simulations, and is set to be tried out on industrial robots and machine vision.
Experts argue the food industry is responsible for the severity of COVID-19 and the obesity pandemic. The industry's promotion of unhealthy foods has exacerbated the issue, particularly in low-income communities. Researchers call on governments to force reformulation of unhealthy foods and the industry to stop promoting them.
Researchers found that forests on shale bedrock store 25% more live aboveground carbon and grow 55% faster than those on sandstone bedrock, making them ideal for conservation and carbon sequestration.
Researchers from the University of Nottingham found a rare bone in the hearts of wild chimpanzees, measuring only a few millimeters in size. This discovery could help advance the understanding and management of cardiovascular disease in these endangered animals.
University of California, Berkeley researchers Lydia Sohn and Molly Kozminsky introduce cellular mechanophenotyping to study cancer cell behavior. They aim to measure the mechanical properties of cells to reveal their ability to develop and spread.
A recent study by Children's Hospital of Philadelphia found that telemedicine is an effective way to deliver pediatric neurology care, with a 93% satisfaction rate among clinicians. The study also suggests that telemedicine may help address existing barriers to care, such as lack of access to computers or transportation needs. To impro...
The study finds that rampant human population growth is causing massive reductions in global mammal populations, including iconic species like Tibetan wild yaks and African zebras. The researchers warn that future ecosystems will be drastically different without drastic changes in human behavior.
Researchers tracked the life cycles of 43 plant species over 25 years, finding that some species' growing seasons are lengthening while others are shortening. The study suggests that climate change may be driving seasonal life cycle shifts in plants, but more research is needed to confirm this.
Researchers from SUTD and NTU developed insightful analyses of in vitro skeletal muscle tissue models, reviewing state-of-the-art bioengineering approaches for mimicking skeletal muscle tissues. Despite progress, challenges remain in replicating native muscle functionality, including proper innervation and vascularization.
Researchers are studying how bats adapt to the SARS-CoV-2 virus, hoping to understand the immune system's response and potentially inform human treatment. They will examine bat genome assemblies to identify patterns of gene duplication and gain/loss related to viral infection.
Invasive native rush species are spreading across UK upland farms, threatening local wildlife and the livelihoods of farmers. The study found that rushes can spread by up to 174% in just 13 years, reducing grassland productivity and causing losses for farmers.
A recent study published in the Journal of the American Society of Nephrology found that kidney function deteriorates with age, even in healthy individuals. The research, involving over 3,000 participants from Norway, Germany, and Iceland, suggests that kidney decline is a natural part of aging.
Researchers at Georgia State University have developed detailed methods for studying SARS-CoV-2, allowing safe analysis of infected cells. The study enables the examination of viral proteins and host responses to infection outside high-containment facilities.
A ten-year study on Asian black bears reveals diet variations based on age, sex, and seasonally abundant resources. Older bears are more carnivorous, while adult males consume more deer due to larger body mass.