The Iñupiaq people's seal hunting season has shrunk by about one day per year over the past 17 years due to sea ice decline. This reduction in flexibility affects hunters' ability to prepare and hunt, as they now have less time to adapt to changing conditions.
Researchers at Berkeley Lab and UC Berkeley capture the first direct image of quantum spin liquid particles, called spinons and chargons. The discovery advances research on quantum computing and exotic superconductivity.
Researchers use super-resolution infrared imaging combined with X-ray fluorescence nano-imaging to study amyloid toxicity on a subcellular level. They found that the distribution of trace elements in neurons is related to molecular mechanisms of Alzheimer's disease, offering new insights into preventing neuronal damage.
A low-cost prototype breathing device designed for poorer-resourced healthcare settings has shown promising results in a pilot trial involving healthy volunteers. The device provides continuous positive airway pressure (CPAP) therapy and operates with oxygen concentrators, which are commonly used in low-pressure systems.
Researchers from Carnegie Mellon University and the University of Pittsburgh conducted a study on three Rhesus monkeys, finding that their performance declined by up to 25% when offered a jackpot reward. The team also discovered a link between sensory motor processing and emotional processing in the monkeys' brains.
A novel CT scan-based approach detects changes in lung tissue indicating emphysema and airway constriction in patients with asthma. This finding may explain why conventional anti-inflammatory treatments are ineffective in some asthmatics, paving the way for personalized management of the disease.
Moderate online engagement helps stressed teens cope better than those who avoid digital technology or overuse it. This 'Goldilocks' effect suggests that just the right amount of online support provides short-term relief from daily stressors.
Researchers at Duke University Medical Center identified a mechanism where breast cancer cells use cholesterol to develop tolerance to stress, allowing them to resist ferroptosis and proliferate. This finding highlights the importance of lowering cholesterol in preventing cancer progression and offers new approaches for treatment.
A reservoir of genes allowing sorghum to adapt to environmental stresses has been identified from 13 contrasting genomes. This genetic diversity is valuable for breeders, enabling them to improve crop yield and resilience. The analysis, led by the University of Queensland, provides unprecedented insights into the genome's dynamic nature.
A study published in Marketing Letters found that analytical thinkers are more likely to undergo plastic surgery, while holistic thinkers are more forgiving of imperfections. The researchers suggest taking a holistic approach to consider the long-term impact of procedures on one's life.
Researchers at the University of Texas at Dallas have produced large, high-quality bismuth iodide crystals that demonstrate the existence of weak topological insulators. The crystals undergo a phase transition into a novel structure at room temperature, altering their electronic properties.
A new effort at the University of Kansas aims to design course modules to train students in building and maintaining more secure computer hardware. The work is supported by a $400,000 grant from the National Science Foundation's SaTC program.
Researchers have discovered that the TRPV4 gene plays a crucial role in regulating cartilage growth, which could lead to more effective treatments for osteoarthritis and other cartilage diseases. The study also suggests that TRPV4 may be used to accelerate stem cell differentiation for bioengineering cartilage.
The prevalence of type 1 and type 2 diabetes among US children and teens rose significantly from 2001 to 2017. Researchers estimated an increase in diabetes cases across all age groups during this period, with the largest increases seen among younger populations.
The U.S. Preventive Services Task Force recommends screening for prediabetes and type 2 diabetes, particularly in high-risk individuals. The guidelines aim to detect and prevent these conditions through early detection and intervention.
A study found that white lupin plants can rejuvenate arsenic-contaminated soils by releasing compounds that bind metals, potentially offering a sustainable remediation method. The research used advanced chemical profiling to identify the root chemicals involved in this process.
A new study suggests that China's policies in Xinjiang, including enforced birth control and internment camps, could result in a significant loss of life among the Uyghur population. The research estimates that up to 4.5 million lives could be lost by 2040 if current policies continue.
Researchers study mosses and find unique centriole assembly process, with a 'unique symmetry break' that allows for regulation. This discovery provides insights into centriole development across the tree of life and has implications for our understanding of evolution.
A team of researchers has created a bioink that can reduce toxicity and improve cell survival, enabling the fabrication of clinically relevant human-scale organs. The development paves the way for regenerative medicine applications.
Researchers at Osaka University have successfully created a 3D-bioprinted structured Wagyu beef-like meat alternative using stem cells isolated from Wagyu cows. The new technology mimics the complex texture of real Wagyu beef, allowing for customizable fat and muscle components in cultured meat.
Research from the University of Pennsylvania suggests that certain proteins have evolved to reduce biased chromosome inheritance, potentially avoiding mistakes and birth defects. The study found a parallel pathway suppressing selfish chromosomes, indicating an evolutionary arms race.
Recent progresses of silicon/2DM PDs are reviewed for their potential applications in various functional photonic integrated circuits. The article discusses the operation mechanisms, device configurations, and application scenarios of these photodetectors.
Researchers at the University of Houston have developed a smartwatch technology that can monitor and help lower stress levels by detecting changes in skin conductance response. The device sends reminders to listen to relaxing music when stress is detected, forming a closed-loop system.
A study of 282,271 European ancestry participants found 26 genetic regions associated with increased preference for high-fat foods. The research also identified specific subtypes of neurons responsive to protein, fat, or carbohydrate, which may explain individual differences in food choice behavior.
The New Roots for Restoration Biology Integration Institute aims to integrate plant traits, communities, and the soil ecosphere to advance restoration of natural and agricultural ecosystems. The project seeks to understand how root traits influence plant interactions with each other and with the soil.
A recent NIH-funded study found that the overall rate of drug use among 10-14 year-olds remained stable during the 2020 COVID-19 pandemic, with adolescents experiencing stress and hardship being most likely to use substances. The study also detected shifts in substance types, with alcohol use declining and nicotine use increasing.
A study found that young Black athletes recovered faster from sports-related concussions, returning to school sooner and experiencing less impact on daily activities. In contrast, White athletes took longer to recover, with changes in sleep patterns and increased risk of post-concussion depression.
Researchers have identified several small molecules responsible for coffee's mouthfeel, including melanoidin compounds and caffeoylquinic acid. These compounds can be used to tune processing and roasting conditions for specialty coffees.
A review article published in the Endocrine Society's journal Endocrinology predicts a peak in population numbers in 2064 followed by a 50% drop by the end of the century. Stress from less quality social interactions is believed to suppress sperm count, ovulation, and sexual activity, contributing to declining reproduction rates.
Researchers identified physical binding sites for cholesterol in GIRK channels, which play a role in neurodegenerative diseases. The study provides structural insights into how cholesterol alters channel function, paving the way for drug development.
A study from Linköping University found that the tumour-inhibiting gene TET2 is silenced in most cases of acute lymphoblastic leukemia (ALL) in children. The gene can be reactivated by treatment with an existing drug, 5-azacytidine, suggesting a targeted therapy for ALL in children.
A study found that transcranial stimulation can increase the benefits of aerobic exercise and improve gait in Parkinson's patients. The treatment uses a weak current delivered by electrodes placed over specific brain regions, activating the pre-frontal cortex.
A new study found that increasing childhood cardiorespiratory fitness can reduce the adverse effects of metabolic syndrome traits on atherosclerosis. The researchers discovered a two-way connection between arterial health and fat mass, with healthy arteries associated with higher fat mass in children.
A study by North Carolina State University found that surface waters in eastern North Carolina were more likely to face dual contamination from human and swine waste after Hurricane Florence. The presence of Arcobacter, a pathogen not associated with human or swine fecal markers, was also discovered.
A Mount Sinai study found significant inequalities among low-risk births, with Black and Hispanic infants experiencing higher rates of unexpected complications. Hospital quality was identified as a key contributor to these disparities, with lower-quality hospitals serving more Black and Hispanic women.
A recent study from University of Cambridge and Addenbrooke's Hospital found that most patients infected with COVID-19 in hospitals contracted it from other patients rather than healthcare workers. The research highlights the importance of regular screening for asymptomatic patients and proper use of face masks.
Scientists have created a system dubbed "NanoporeTERs" allowing cells to express themselves in a whole new light. These new reporter proteins can detect multiple protein expression levels and shed new light on biological systems, enabling deeper analysis than before.
Researchers use radiochronometry and forensic methods to determine the age and origins of Heisenberg and Diebner cubes. The findings will help train international border guards and nuclear forensics researchers to detect nuclear material.
A new TB prevention regimen for HIV-positive individuals has shown promising results, with 90.4% completing the three-month course compared to 50.5% of those on a six-month daily treatment. The study suggests that this shorter approach is as safe and effective as the standard treatment.
A new study asked over 470 firefighters about their recovery methods in extreme heat, finding that simple strategies like finding shade and drinking water are often used. The research suggests potential for better cooling and recovery protocols to improve firefighter safety and performance.
Gastrointestinal stroma tumors (GIST) are rare cancers that can be problematic to detect and treat. Researchers have identified the mutational drivers for GIST in the stomach and found a potential drug therapy, temozolomide, which showed promising results in treating patients with specific mutations.
New research published in PNAS suggests that community-based monitoring can improve water management in rural Costa Rica by reducing groundwater extraction and improving water quality. The program, which used a smartphone application and WhatsApp, showed modest but significant effects after one year.
Researchers at Karlsruhe Institute of Technology have developed a record-breaking lithium-metal battery with an energy density of 560 Wh/kg, retaining 88% capacity after 1000 cycles. The battery features a nickel-rich cathode and a dual-anion ionic liquid electrolyte, which significantly improves stability.
The number of people living with hypertension has doubled from 331 million in 1990 to 626 million women and 652 million men in 2019. Despite being diagnosable and treatable, nearly half of those with hypertension remain unaware or untreated.
Researchers found that wood vinegar and tar fraction in bio-oil produced from hazelnut shells pyrolysis at 400 C to 1,000 C contain high concentrations of phenolic substances, which contribute to their antioxidant activity. The study suggests using these fractions as a potential renewable energy source.
The USPSTF has lowered the recommended starting age of screening for type 2 diabetes from 40 to 35. Screening is now recommended for adults with prediabetes or type 2 diabetes, particularly those aged 35-70 who are overweight or obese. This recommendation aims to detect and treat these conditions earlier.
Researchers at the University of Southampton have identified a unique change in B cells that allows them to receive signals from molecules called lectins, enabling tumor growth. This discovery could pave the way for new treatments and early cancer detection methods.
A Korean research team developed an electrode pre-treatment solution to minimize initial Li ion loss in graphite-silicon oxide composite anodes. The process enabled a full cell to exhibit near-ideal energy density, with negligible Li loss.
Researchers at UEA developed a new method for measuring carbon uptake by Arctic plants, providing insights into the impact of climate change on this process. This study reduces uncertainties in previous assessments and investigates the influence of environmental factors on carbon uptake.
A new study published in the Journal of Gerontology finds that engaging in diverse daily activities is associated with a diverse set of emotions. Individuals who regularly participated in a broad range of activities experienced more diverse positive emotions, particularly those between ages 33-44.
High-intensity focused ultrasound (HIFU) technology is being explored for its potential to destroy cancerous tumours while minimizing damage to healthy tissue. Researchers at the University of Waterloo have made significant progress in understanding how HIFU works on a cellular level, paving the way for future clinical trials.
A new study found that early socialization of dairy calves does not negatively affect their behavior, performance, or health, and may even benefit their early-life health by reducing scours. Calves housed in pairs after birth showed greater comfort with pen-mates and a reduced risk of diarrhea.
Researchers in Peru have estimated the population density of spectacled bears and identified an unknown hotspot, revealing over 10 bears per 100 square kilometers. The team also observed the first 'golden' bear with nearly golden fur, sparking further investigation into its unusual characteristics.
A survey of mostly African American adults found that vaccine hesitancy was greatest among those aged 18-29, with COVID-related housing insecurity increasing the odds by sevenfold. Younger individuals and those experiencing housing insecurity were more likely to be resistant to vaccination.
Research on rats suggests that aerosols from a range of vaping devices impair blood vessel function, similar to traditional cigarette smoke. The study found that even newer, coil-less ultrasonic vaping devices can have adverse effects on vascular health.
Researchers have identified a new potential treatment for neuroblastoma by targeting the ALT mechanism, which is responsible for chemotherapy resistance. The study found that activating ATM kinase at telomeres promotes chemotherapy resistance in ALT neuroblastoma and suggests a cancer-specific approach to treating this disease.
Researchers developed predictive models to estimate yogurt spoilage caused by yeast, including the effect of bioprotective cultures. The models were validated with actual data from a European dairy and can help yogurt producers make informed decisions to reduce economic losses due to food waste.
Researchers have created the smallest microsupercapacitors to date, which can function in artificial blood vessels and provide an energy source for tiny sensor systems. The biosupercapacitor has a volume of 0.001 mm3 and delivers up to 1.6 V supply voltage.
Researchers from Harvard University find that the earliest tetrapods acquired new adaptive traits at fast rates of anatomical evolution, but species diversification was slow initially. The study suggests a decoupling between evolutionary rates and species diversity, with a delay in colonization of land and diversification into new niches.
Researchers at Karolinska Institutet have identified eight primary factors that increase the risk of upper gastrointestinal bleeding after heart attack. The study, published in European Heart Journal - Cardiovascular Pharmacotherapy, found that smoking, blood pressure, and blood glucose are among the new predictors.