Scientists detected high levels of the radioactive isotope 60Fe in deep-sea sediment samples, indicating exposure to supernova ejecta. The findings suggest that supernova-produced 60Fe permeates the interstellar medium and has been deposited on Earth over the past 33,000 years.
Scientists developed a new automated movement-tracking system, LocoMouse, to capture fine details of locomotion in mice. The study identified highly-detailed 'locomotor signatures' for two mouse models, providing a roadmap for linking neurological and locomotor deficits.
A massive wildfire complex has engulfed California, with over 650 fires burning in the state. NASA's Terra satellite captured the smoke-engulfed state on August 24, 2020, revealing a pervasive smoky pall that has affected areas from California to Minnesota and Nebraska.
Fossil records show a shift from mixed feeders to grazers in herbivore diets between 3.6 and 1.05 million years ago. This change coincides with the emergence of Paranthropus and suggests Australopithecus lived in a wooded ecosystem.
Researchers at Eindhoven University of Technology prove the Velcro method enhances selectivity in drug particle binding based on receptor number and strength. This allows precise targeting of diseased cells while distinguishing them from healthy ones.
A team of researchers at the Medical University of South Carolina has identified a critical player in resistance to targeted therapy in lung cancer. The protein NRP2b was found to drive resistance in non-small cell lung cancer cells that had become resistant to therapy, and inhibiting it caused the death of these cells.
COVID-19 infection curves showed expected exponential growth, but instead of flattening, they remained constant with a similar number of new infections every day. The complexity scientists proposed a network effect where the virus spread from cluster to cluster, leading to linear growth and low infection prevalence.
Patients with comorbidities and from deprived areas have poorer hospital outcomes, including higher death rates and longer stays. Severe comorbidity is associated with a 13-fold increased risk of in-hospital death.
The European Society for Medical Oncology has issued its first recommendations on the use of next-generation sequencing (NGS) for patients with metastatic cancers. The guidelines recommend routine NGS use for four specific cancer types, while also allowing patients to order larger gene panels if feasible and cost-effective. The recomme...
The team created a new routing algorithm that allows qubits to directly interact with many more qubits, giving rise to higher expected computational power. This approach outperforms the 'superconducting' devices in calculating the expected computational power.
A new global review found that big mammals like elephants, rhinos, and primates are threatened with extinction in national parks of the world's poorest countries. Illegal hunting is a major driver of population declines, particularly in Asia where stricter protected areas have higher rates of illegal hunting.
A new US study reveals that improving water productivity in certain regions and industries can help conserve water. By setting realistic benchmarks, the research found that areas with high water stress have the most potential for water savings, with around half of those gains coming from agriculture and manufacturing sectors.
The new diagnostic technique allows direct detection of disease-specific miRNA, breaking through current limitations in early disease detection. The technology is expected to be available to medical practitioners in the next five years, offering a cost-effective solution for rapid and early diagnostics.
A study published in PNAS examines how travel duration affects disease transmission in Namibia from 2010 to 2014. The researchers found that longer trips were associated with increased disease transmission in low-density areas.
Researchers have identified a new form of dementia, LATE disease, which shares symptoms with Alzheimer's but is caused by different brain processes. The study provides criteria to differentiate between frontotemporal dementia and LATE disease, offering hope for future therapy development.
Researchers at Scripps Research have identified a new class of compounds that can restart cellular production of VEGF-A, a key factor in rebuilding blood vessels and muscle in damaged heart tissue. The discovery has the potential to revolutionize the treatment of heart failure and other cardiovascular diseases.
A new study finds that dementia may be the underlying cause of nearly three times more deaths in the US than previously thought. The study estimates that 13.6% of deaths are attributable to dementia, which is 2.7 times more than the 5.0% of death certificates that indicate dementia as an underlying cause of death.
A new species of brittle star from the Cretaceous period has been identified as Ophiomitrella floorae, honoring Dutch metal vocalist Floor Jansen. The fossil was found in a shallow, warm sea that covered parts of present-day Netherlands during the Dinosaur Era.
Texas A&M researchers have created a contagious model to accurately forecast flood water spread and recession process on urban road networks. The findings provide valuable insights into the universality of network spread processes across various systems, which can help better manage cities.
A team of scientists experimentally demonstrated nonlinearity-induced coupling of light into topological edge states using a photonic platform. They developed a general theoretical framework to explain the nonlinear process, revealing that nonlinearity enables energy flow from bulk modes into topological edge modes in linear systems.
Researchers from University of Turku and Helsinki have conducted a review on wind farm impacts on bats in the Baltic Sea region, finding that impacts have barely been investigated due to limited data. The study aims to monitor bats for several years to define high-risk areas and design measures to reduce wind turbine impact.
A new two-stage surgical protocol delays the induced menopause caused by ovary removal, providing some ovarian cancer risk reduction while avoiding detrimental consequences. The study found that 69% of premenopausal women at high risk of ovarian cancer were interested in this alternative option.
A study presented at ESC Congress 2020 found that deep chest compressions can improve blood flow to the brain, reducing brain damage and improving survival rates. The study also showed that patients with CPR-related injuries were more likely to have better brain function, highlighting the importance of prompt and effective resuscitation.
A global study led by Ben-Gurion University researchers suggests that wastewater containing coronaviruses may pose a serious infection risk. The team recommends upgrading treatment protocols to remove viruses from water sources.
A team of scientists created a map highlighting the brain circuits affected in mania, which could lead to more effective treatments for bipolar disorder. The study identified specific regions, including the orbitofrontal cortex and inferior temporal cortex, as key players in mood regulation and emotional processing.
Researchers from King's College London and Imperial College London developed a theoretical model for treating two COVID-19 patients simultaneously using one ventilator. The approach uses tailored ventilation and adjustable tidal volumes to mitigate risks associated with ventilator splitting.
A new study published in JNeurosci found that people learn and decide better when avoiding harm to others. The study used an fMRI scanner to investigate how participants learned to choose between two symbols to minimize pain, revealing increased activation in the ventromedial prefrontal cortex (VMPFC) when choosing for another person.
The COVID-19 pandemic has underscored the critical importance of water security, with nearly a quarter of households in low-income countries struggling to access clean water. Experts are urging policymakers to prioritize behavioral change, knowledge promotion, and investment in water infrastructure to address this pressing issue.
RAMBO-II will produce stronger magnetic fields and probe samples with an even broader spectrum of intense laser pulses. This upgrade enables researchers to study materials under extreme conditions, advancing the frontiers of materials physics and chemistry.
Research reveals climate change is drastically affecting species abundance in the tropics, with 69% of tropical species showing negative responses to temperature increases. This study highlights the urgent need for understanding how species respond to changing climates on a global scale.
UTSW scientists found that STING activates a pathway directly killing tumor-fighting immune cells, revealing a new opportunity for checkpoint inhibition immunotherapy. This finding could lead to longer-lasting immunotherapies and more effective treatments for cancer.
Research suggests that maternal caffeine consumption is linked to various adverse pregnancy outcomes, including miscarriage, stillbirth, and childhood obesity. Current health recommendations for caffeine during pregnancy may need radical revision as the evidence points towards no safe level of consumption.
The study found that herbivore feces contain varying nutrient profiles depending on their body size. Larger-bodied herbivores leave dung with lower phosphorus and higher nitrogen-to-phosphorus ratios.
A systematic review of automated patient monitoring systems (PMSs) found that they can improve sepsis recognition and treatment in some studies, but the overall evidence is mixed. In total, 12 studies provided data on patient outcomes, with six showing reduced mortality rates.
A team of researchers from the University of Melbourne has identified new mediators of immune exhaustion that may be targeted in therapies for cancer and severe viral infections. T cells can lose function within just a few days of severe infection, contrary to previous thought that it takes longer.
Researchers at USC Viterbi have discovered a new kind of dynamic light structure that can rotate around its center and revolve around another axis. This innovation has potential applications in sensing, imaging, manufacturing, and metrology, offering tailored light with novel dynamic motion.
A research team identified a mechanism to control myelin sheath restoration after injury or in multiple sclerosis, regenerating damaged sheaths with theophylline. The study found significant recovery of myelin sheaths in both peripheral and central nervous systems, promoting efficient remyelination.
Researchers have created a genetically engineered mosquito strain with a Cas9/guide RNA-based gene drive that targets the cardinal gene to prevent malaria transmission. The drive achieved an average efficiency of 96.7% in both sexes, ensuring every mosquito carries at least one copy within six generations.
A new study by an international team of researchers found that biodiversity experiment findings are reliable and applicable to the real world. The study analyzed data from two large-scale experiments and compared them with equivalent 'real-world' sites, showing that previous conclusions were supported.
A new study reveals how remora suckerfish detach themselves from surfaces and explores the application of this mechanism in underwater robots. The research team developed a biomimetic flexible adhesive disc with controllable motion, which showed similar detachment motions to its biological counterpart.
Synbiotics combine pre- and probiotics, providing a wider range of health benefits. The new definition allows for the use of microorganisms and selectively utilized substrates, enabling the creation of synergistic synbiotics with targeted health benefits.
A large population-based study found that acute cardiovascular events are common among adults hospitalized with influenza, with older age and underlying cardiovascular disease significantly increasing the risk. Vaccination is crucial for these patients, particularly those with cardiovascular risk factors, to prevent such complications.
Researchers developed a human-robot team that can detect physical changes in 3D environments and share information with humans in real-time through augmented reality. The robot's sensors and algorithms enable it to provide contextual awareness to soldiers, helping them stay ahead of potential threats.
New research suggests that Black patients experience less pain and anxiety when treated by a physician of their own race. Racial/ethnic concordance between doctor and patient influences physical responses to pain, with Black patients showing reduced bodily responses when paired with same-race doctors.
Researchers developed a new way to measure habitat complexity, which is crucial for understanding biodiversity and conservation status. The method uses three metrics: rugosity, fractal dimension, and height range, and can accurately predict the distribution of biodiversity in complex ecosystems.
A new study contradicts claims that Asian American students are harmed when they cannot attend their first-choice university. The study found no significant differences in outcomes between Asian American students who were admitted to and attending their first-choice university and those who were not.
Researchers analyzed internet searches indicating acute anxiety during the early stages of the COVID-19 pandemic. The study found a significant association between COVID-19 and increased anxiety on a population basis.
NAU researchers will collaborate with ASU and regional partners on nanotechnology-based innovations, expanding educational opportunities for northern Arizona communities. The NAU site will provide capabilities in characterization and modeling of hard and soft materials.
Research from Ghana reveals that lesser-used biochar application methods, such as spot and ring applications, significantly improve cowpea growth and yield. These methods are more effective than traditional broadcast and incorporation in promoting sustainable soil management.
Research from Southern Cross University found that imidacloprid, a common agricultural pesticide, can impact the feeding behavior of prawns, leading to nutritional deficiency and reduced flesh quality. Sydney rock oysters are also vulnerable to imidacloprid exposure.
Tropical Storm Laura continues to move through the Caribbean Sea, producing heavy rainfall and potentially life-threatening flash flooding. NASA's infrared data reveals powerful storms with cold cloud top temperatures, affecting Jamaica and Cuba.
Researchers from the University of Copenhagen and Aalborg University found that people's eyes linger less on fake news headlines, spending a bit more time reading factual ones. This discovery could aid in fact-checking and help sort through the oceans of false information.
Researchers developed a neural network to assess stored blood quality, achieving 76.7% agreement with experts in identifying damaged red blood cells. The network outperformed expert predictions when trained using only storage duration.
Research found that frequent use of antimicrobial drugs in early life shifts bacterial profiles in saliva, with azithromycin having the strongest effect on girls. The study also showed that AM use is associated with a decrease in Paludibacter and pathways related to amino acid degradations.
The American College of Occupational and Environmental Medicine (ACOEM) has published a set of general guidelines for safely returning to work during the COVID-19 pandemic. The guidelines address various aspects, including clinical manifestations of COVID-19, developing a successful return-to-work policy, and industry-specific guidance.
Researchers discovered a type of long-lived immune cell that can provoke chronic inflammation in IBD patients, leading to abdominal pain and damage. The inflammatory T RM cell subtype may also escape into the bloodstream, affecting other parts of the body.
A study forecasts rates of water-induced soil erosion, finding increased erosion under all climatic conditions across countries. Conservation agriculture is necessary to mitigate future soil erosion and ensure food security, according to the authors.
Researchers studied 66 young adults with major depression, finding aerobic exercise reduced depressive symptoms by 55%, while light-intensity stretching had less effect. People with better reward processing at baseline were more likely to respond to exercise treatment.
A study by the American Psychological Association reveals that ideology is a more significant factor than demographics in determining voter support for politicians. Despite expressing prejudice against minorities and women, voters tend to support conservative candidates who align with their ideologies, regardless of race or sex.
A team of researchers has identified a novel drug target, 4-hydroxyacetophenone (4-HAP), that activates a protein motor and disrupts biomechanical processes essential to cell motility. In a mouse model, targeting this protein motor reduces the metastasis of colon cancer cells.