Researchers from Tohoku University found that angling quad-rotor rotors by 20 degrees can reduce pitching by a quarter, improving stability in heavy winds. The study also identified the effects of rotor tilting on pitching moment generation, with outward tilting reducing pitch by 26%.
NASA is developing a planetary wind lidar called MARLI, which will provide detailed information on winds on Mars and Titan. The instrument will use laser pulses and detect returning backscatter signals to measure wind velocities and aerosol distribution.
A 3-day bed rest study is being conducted to investigate the effects of prolonged weightlessness on human metabolism, specifically insulin resistance. The study's findings could lead to the development of rehabilitation exercises to mitigate these effects and improve astronaut fitness for future Mars missions.
Researchers at Penn State have developed a new theory that uses gradient index materials and metasurface layers to improve optical lens performance. The new design reduces the need for multiple lenses, resulting in lighter and thinner optical systems.
Research finds that abusive supervision affects more than 13% of U.S. workers, leading to retaliatory behavior and decreased productivity. The study also reveals cultural power distance influences employees' perceptions of justice and deviant behavior, with lower power distance countries experiencing stronger deviations.
Cancer cells can lose multidrug resistance capabilities for days, creating a therapeutic window for chemotherapy. A breakthrough technique uses nanoparticles and near infrared laser treatment to cut off energy supply to efflux pumps, reducing resistance.
Researchers at The Scripps Research Institute (TSRI) have discovered that levels of a key protein called LTBP3 fuel the chain reaction leading to cancer spread. Lower LTBP3 levels are associated with better prognosis in patients with certain types of cancer, suggesting it as a potential 'upstream' drug target.
Researchers found that impairing Paneth cells allows gut bacteria to invade the small intestine, causing major inflammation. Normal autophagy in Paneth cells is required to regulate bacteria, keeping it at bay and preventing disease.
Researchers have developed a non-invasive method for stimulating the brain using nanoparticles that absorb near-infrared light and emit visible photons, allowing for control of specific brain cells. This breakthrough enables the treatment of conditions such as seizures and fear memories with minimal invasiveness.
A UC Davis study suggests that Neanderthals' inability to draw may be related to their hunting techniques, which required more precise eye-hand coordination. This could have contributed to the evolution of Homo sapiens' larger brains and advanced cognitive abilities.
Researchers discovered that DNA acts as an 'air-in-a-balloon' mechanism to inflate bacterial cells, beyond its genetic information role. This finding has implications for understanding cell formation and growth, potentially revealing insights into the origins of cellular life.
Recent studies investigate the role of cholesterol and other lipids in blood circulation, discovering a correlation between bad cholesterol levels and muscle damage in muscular dystrophy patients. Another study reveals a synergistic effect of hepatitis B and alcohol on cholesterol metabolism, increasing biosynthesis and impairing uptake.
Introduced 'alien' honeybees are competing with native bees for resources, posing a threat to the survival of plants that rely on specific pollinators. This is particularly concerning in arid environments where super-generalist honeybees visit up to 55% of available plant species.
A study by Oregon State University found that hatchery-raised chinook salmon self-sort into surface- and bottom-oriented groups in their tanks, leading to differences in body shape and size. The researchers observed consistent variations from year to year, suggesting genetics plays a role in this behavior.
Researchers discovered molecular evidence of obligate symbiosis in lichens, where fungal organisms streamline their genomes to coexist with algae. This finding suggests a genetic division of labor that makes the resulting lichen more efficient, potentially conferring an ecological advantage.
A study published in Fertility and Sterility found that infertility is significantly associated with a shorter gestation and diminished birth size. Infertile women's infants weighed less, were shorter, and had smaller head circumferences compared to non-infertile women.
Tropical Cyclone Cebile, a weak and wispy storm, was detected by NASA's Aqua satellite on February 8. The storm lacked rainfall and had a thick band of clouds in its eastern quadrant.
The American College of Sports Medicine (ACSM) has published new safety recommendations for energy drink consumption, particularly among children, adolescents, and individuals with cardiovascular conditions. The guidelines warn against excessive caffeine intake and advise against using energy drinks before or after strenuous exercise.
A joint research project is questioning the authenticity of pictures of Luther, exploring whether the images depict him at a certain moment in his life or represent later heroification and veneration. The project uses technological examinations, digital analysis, and scientific methods to date and authenticate the images.
A new approach by NIST enables numerical testimony for ballistic comparisons, estimating the probability of false positive matches. The method produces a numerical score describing similarity between cartridge cases and estimates the probability of random effects causing a false positive match.
Scientists developed a lightning-based approach to predict short-duration rainfall, using sharp increasing rates of lightning flashes to provide early warnings. The new method was tested over the Beijing Metropolitan Region and showed encouraging model performance, with successful early warnings for 67.8% of moderate and 87.0% of inten...
Researchers discover a precursor to create phosphorus compounds, bypassing hazardous substances. The new anions, bis(trichlorosilyl)phosphide, work well in various reactions, producing diverse phosphorus-containing compounds.
Researchers at Gladstone Institutes discovered that fast-spiking interneurons play a fundamental role in brain plasticity, improving procedural learning and potentially linked to psychiatric diseases. The study found that these neurons act like gatekeepers for plasticity, restricting changes in connection strength between neurons.
Trans fat policies have led to a decline in its availability worldwide, with bans proving the most effective approach. The removal of trans fats from the food supply is identified as a
Researchers have successfully generated Tasmanian devil stem cells, offering a potential treatment for the deadly transmissible cancer. The development provides hope for saving the species from extinction, which is estimated to occur within 20-30 years.
LMIC researchers face concerns over national ownership and unequal publishing opportunities when sharing open datasets. To address these issues, increased investment in LMIC data management infrastructure and international policy frameworks are proposed.
The study reveals the importance of sugary appendages on protein surfaces, which differ in composition and branching. The researchers discovered the three-dimensional structure of oligosaccharyltransferase, providing insight into eukaryotic N-glycosylation.
A study by CNIC scientists discovered that cardiomyocytes from the innermost heart regions can contribute to the regeneration of the external heart wall in zebrafish. This finding reveals a new way to rebuild a damaged heart and has implications for human heart regeneration.
A study found that nursery stock availability and homeowner preferences significantly influence the diversity of tree species in the Salt Lake Valley. The researchers collected data from over 15,000 trees in six neighborhoods with different median home ages and household incomes.
A study published in the British Journal of Sports Medicine found that ball games and circuit strength training increased bone density by 44% and 46%, respectively, in children aged 8-10. These exercises also improved muscular strength and balance, reducing the risk of osteoporosis later in life.
The MSU project will investigate how to reduce dams' negative impact on people and the environment, using remote sensing and interviews with local residents. The research aims to improve dam policies and generate insights for future dams, balancing energy needs with environmental sustainability.
A study published in PLOS One compared pre- and post-Hurricane Harvey pollution levels in Houston's Manchester neighborhood, finding that flooding redistributed polycyclic aromatic hydrocarbons (PAHs). Baseline data is crucial for understanding disaster-related public health issues.
A new blood test, T2Candida Panel, detects candidemia with high accuracy, reducing time to diagnosis by nearly two days. The test shows promise in speeding up treatment and potentially improving patient survival rates.
The prevalence of obesity in the US has risen dramatically, but its economic impact on individual states is less understood. A recent study found that health care costs devoted to treating obesity-related illness vary significantly across states, with some spending over 12 percent of their total medical expenditures on obesity treatment.
A team of scientists deployed the ERICA instrument on a DC-8 aircraft to measure chemical composition of aircraft exhaust aerosols. They tested different kerosene blends and biofuels to reduce soot particles and contrail formation, which could impact climate change.
The Veterans Health Administration has outlined recommendations to combat the 'crisis' of multi-drug resistant organisms (MDROs) in healthcare settings. The recommendations focus on four key areas: transmission dynamics, antimicrobial stewardship, microbiome research, and special populations.
A UCLA-led study has found significant overlap in gene expression patterns among autism, schizophrenia, and bipolar disorder, with distinct differences also observed. Researchers have identified a molecular pathological signature for these disorders, providing a large step forward in understanding their underlying causes.
Researchers found that self-defeating humour is associated with greater levels of psychological well-being, particularly in terms of happiness and sociability. The study challenges previous research suggesting negative effects of self-defeating humour.
A study found that Ebola virus infects reproductive organs of macaques, suggesting similar infection in humans. The virus can persist in female reproductive tissues and may reach seminal fluid in men.
Scientists at Penn State have created materials that can conduct protons, a process used in fuel cells, and are biocompatible. The protein-based proton conductors show promise for developing implantable medical devices without batteries.
Research highlights graphene oxide's exceptional antibacterial properties, which differ from traditional antibiotics. The review emphasizes the importance of understanding structure-activity relationships and molecular initiating events to improve biosafety.
Researchers isolated two proteins from rattlesnake venom, phospholipase and crotapotin, which showed promising antiviral activity against the hepatitis C virus. These findings offer a new approach to combat this infectious disease.
Rice University scientists have developed a stable and economical method to make polymers through photo-controlled atom-transfer radical polymerization. The process uses photosensitive quantum dots as a catalyst, which can be triggered by light sources such as the sun or a household lamp.
New studies highlight key differences in stroke risk factors, treatment, and outcomes between men and women. Fluctuations in hormone levels, pregnancy-related complications, and treatment disparities affect women disproportionately.
A new hybrid-capture sequencing assay has been established as the method of choice for detecting 'actionable' gene mutations in lymphoid cancer, with a high accuracy rate of 91%. The assay can be implemented by clinical laboratories into routine diagnostic workflows.
A new study from the University of Sheffield has found that patients with a longer clot lysis time are at higher risk of recurrent myocardial infarction or death due to cardiovascular disease. The research may lead to new treatments targeting fibrin clot lysis time, aiming to reduce this risk.
A study published in Scientific Reports has identified a drug that can reverse the damaging impacts of heavy alcohol consumption on brain cells. Tandospirone was found to improve brain neurogenesis and reduce anxiety-like behaviors associated with alcohol withdrawal, opening up new avenues for treating substance-abuse deficits.
A study published in Scientific Reports found that dominant male Long-billed Hermits have better spatial memories and sing more consistent songs than less successful males. This advantage allows them to defend their singing perches and attract females, highlighting the importance of cognitive abilities in animal behavior.
Young adults who were undernourished as preschool children were nearly twice as likely to suffer from hearing loss. Nutritional interventions in South Asia could help prevent hearing loss, a condition affecting an estimated 116 million young people.
A University of Missouri study found therapeutic horseback riding to be a clinically effective intervention for alleviating PTSD symptoms in military veterans. Participants experienced a significant decrease in PTSD scores, dropping by 67% after three weeks and 87% after six weeks.
A $3.4 million grant will help researchers study endocrine-disrupting chemicals in medical devices, with a focus on improving transfusion safety and understanding the impact on cardiovascular health.
Scientists discover two new feedback loops that regulate energy expenditure, with TBK1 inhibiting AMPK's role in burning fat. Deleting TBK1 from fat cells increases inflammation and weight loss.
Researchers at ASRC have developed a new light wave-isolation method that ensures highly efficient broad bandwidth isolation without using external magnetic fields or devices. This breakthrough has potential uses in consumer communication systems, laser devices, automotive technology, and more.
Teleconsulting is crucial for rare cancers like sarcomas, which require specialized expertise. EURACAN, a European Reference Network, aims to provide timely diagnosis and treatment through referral networks.
Scientists at IIT fabricated an artificial device reproducing the blood-brain barrier, a structure protecting the central nervous system. The device is composed of artificial and biological components and will be fundamental for studying new therapeutic strategies to overcome the blood-brain barrier.
Researchers found diverse landscape of gene expression changes across all cell types in visual cortex, involving 611 genes linked to neural connectivity. The study suggests that each cell has a unique genetic program tailored to its function within the neural circuit.
Researchers discovered how male cockroaches locate a sexual mate by detecting fine structures of odor plumes, thanks to their antennae and neural circuits. They identified twelve key interneurons that convey spatial information to the brain, ensuring complete coverage over the entire flagellum.
Researchers identify Gr21a/Gr63a receptor as crucial to fruit fly attraction to polyamines, opening door to safer chemicals for controlling crop-damaging pests and disease-carrying mosquitoes. The discovery also reveals complex odor-processing mechanisms in insects.
A genome-wide association study has identified 1,407 genetic variations affecting 58 traits in a large cohort of Japanese individuals. The study also found complex interrelations between clinical measurements and diseases, highlighting the value of conducting GWAS for multiple traits in a single cohort.
The new microscope developed by SFU researchers allows for the study of molecular interactions under high forces and fast spinning speeds, revealing new insights into collagen stability. This breakthrough has significant implications for developing better treatments to prevent collagen degradation.