Researchers developed a mass-producible wearable sensor that can monitor levels of metabolites and nutrients in blood by analyzing sweat. The device is more sensitive than current devices, detecting lower concentrations of compounds like uric acid and tyrosine, which are associated with gout, diabetes, and cardiovascular diseases.
An international team of scientists analyzed 3 million species records from 200 ecological communities worldwide to reveal the impact of ocean warming on fish communities. The study found that subtle changes in species movement in response to rising temperatures made a significant impact on the global picture.
Researchers at Princeton University have developed models to identify internal states of the brain in fruit flies. By analyzing song patterns and behavioral changes, they discovered three distinct strategies - Close, Chasing, and Whatever - linked to specific neurons controlling these shifts.
A recent study found that honey bees fare well during the summer months when placed next to soybean fields, but struggle in winter due to a lack of food. Moving hives to prairie sites with late-flowering plants improved their nutritional health and helped them survive the winter.
An observational study found that hospitalists who worked irregular schedules, such as non-consecutive days, had better patient outcomes compared to those working consecutive days. The study suggests that varying work schedules may lead to improved patient care and outcomes.
A research team discovered that several types of highly aggressive and fatal pediatric brain tumors originate from stalled development of progenitor cells in the pons and forebrain. The cells' progress is arrested, and they transform into malignancies while retaining features of the original cells.
A new radiation therapy regimen combining lutetium-177 and actinium-225 has been shown to stabilize tumour growth and improve survival rates for patients with late-stage prostate cancer. The study demonstrated significant reductions in side effects, including dry mouth, compared to previous radionuclide therapies.
A study led by Newcastle University has identified circulating neuroblastoma tumour cells in the blood and bone marrow, providing new insights into the disease's progression. The discovery could enable non-invasive testing of targeted treatments and improve patient outcomes.
Researchers used computational fluid dynamics to analyze the swimming patterns of extinct ammonoid cephalopods, which lived over 300 million years ago. The study reveals insights into the stability of marine ecosystems and how they recover diversity after drastic extinctions.
Researchers at MUSC found that primary cilia generate approximately 60% of small EVs produced by renal tubule cells, with manipulation of cilium length affecting EV production. The protein content of EVs varies depending on cilia length, suggesting a significant role for cilia in intercellular communication.
Researchers tracked genomic changes in hybrid orangethroat and rainbow darters, finding regions with genetic divergence contributing to reproductive incompatibility. These differences likely disrupt cell division and alter gene expression, driving the evolution of distinct traits.
A role-playing experiment involving over 300 women from multiple countries suggests that female self-sexualization is linked to income inequality and social status anxiety. The study supports the hypothesis that social climbing and status competition drive sexualization among women.
Researchers have identified a key regulator in iron uptake in plants, which controls hundreds of genes and has the potential to increase iron potency in crops like rice and wheat. The study's findings could provide a solution to iron deficiency affecting over 2 billion people globally.
Skoltech PhD students won the Best Demo Award at ACM Siggraph Asia 2019 for their SwarmCloak technology, a novel system for landing flying robots onto the human arm. The team successfully demonstrated the tech over three days with no malfunctions.
A new study found an increasing rate of eye injuries related to nonpowder firearms among children, with BB guns accounting for most of the injuries. The study highlights the need for protective eyewear and stricter safety legislation to prevent preventable and serious injuries.
Extra-Tropical Storm Sebastien has transitioned from a tropical storm, coupling with a cold front and headed for the United Kingdom. The storm is forecast to affect southern England, with potential for heavy rain and flooding over the next several days.
Researchers used dance to convey the principles of fluid mechanics by creating a 'physics-constrained improvisation.' The goal is to produce an educational video that demonstrates flow past a cylinder at varying Reynolds numbers.
Scientists are testing a magnetically-actuated fluidic valve to reduce bleeding in trauma patients. The system uses an injectable magnetorheological suspension and externally placed magnets to create an obstruction, halting blood loss and stabilizing blood pressure. This could potentially extend survival time by at least 30 minutes.
Researchers found that people experiencing higher felt love had significantly higher levels of psychological well-being and extraversion personality scores. They also developed a method to analyze noisy data using Bayesian latent stochastic differential equations model.
Researchers at Pohang University of Science & Technology discovered a mechanism by which microbiota signals are transmitted to the entire body, controlling hematopoiesis in the bone marrow. This process involves CX3CR1+ mononuclear cells recognizing microbiota signals and releasing cytokines that stimulate the immune system.
A recent study found that most 2- and 3-year-old children fail to meet recommended daily screen time limits. Maternal screen time and home care were associated factors for non-compliance at younger ages, while only maternal screen time was significant at 3 years old.
Researchers discovered a fear-greed tradeoff in bacteria that use ancient respiratory quinones for aerobic respiration, leading to oxidative stress and growth limitations. The study provides fundamental insights into microbial bioenergetics evolution and potential strategies for modulating bacterial growth and survival.
Researchers discovered 25 springtails attached to a large winged termite and ant in 16-million-year-old amber from the Dominican Republic, showing a new type of hitchhiking behavior among soil-dwelling arthropods. This discovery highlights how symphypleonan springtails successfully achieved dispersal worldwide.
A secondary analysis of the NRG Oncology clinical trial shows that neurocognitive function (NCF) declines in half of patients with high-risk, low-grade gliomas up to a year after receiving temozolomide-based chemoradiotherapy. However, quality of life (QOL) remains stable or improves in these patients, according to the study.
Intergenerational occupational mobility in the US has declined since 1850, with relative decline in status of many occupations. Only a few high-status occupations retained stable percentile ranks, while recent generations face reduced upward mobility.
A team of researchers has developed an AI-powered system that can analyze placentas using computerized photographic image analysis, potentially improving health outcomes for mothers and babies. The system uses artificial intelligence to detect features linked to abnormalities and potential health risks.
Researchers estimate that 10% of the world's population suffers from a rare disease, yet accurate diagnosis remains challenging due to lack of standard definitions. A new commentary proposes a coordinated effort to define rare diseases, which could lead to better diagnosis and treatment for millions affected.
A survey of geriatricians, general internists, and cardiologists found that over 80% had recently considered deprescribing a cardiovascular medication due to adverse drug reactions. Barriers to deprescribing include concerns about patient reluctance and interfering with other physicians' treatment plans.
A study published in Nature Climate Change found that climate change is altering the mix of species in oceans, with warm-water species rapidly increasing and cold-water marine species decreasing. This shift can disrupt fisheries and ocean food chains.
Researchers found that brand is the biggest influence on bread buying behavior, followed by type of wheat and value considerations. Only 1% of surveyed consumers regularly purchase gluten-free bread due to perceived lack of value.
A Drexel University study found that rapamycin cream can reduce wrinkles, sagging, and improve skin tone in human subjects over 40. The drug blocks the TOR protein and has anti-aging effects by reducing senescent cells associated with skin aging.
A recent study published in the Journal of Pain found that inhaled cannabis reduces self-reported headache severity by 47.3% and migraine severity by 49.6%. The study analyzed archival data from over 1,300 patients who used medical cannabis to track changes in their symptoms before and after use.
Researchers at Rensselaer Polytechnic Institute develop a DNA star trap that captures and detects Dengue virus in the bloodstream, outperforming existing clinical tests by over 100 fold. The non-toxic, biodegradable test could be adapted to kill viruses as well.
The study identifies the proteins that make up the venom of the Hispaniolan solenodon, a rare and endangered species. The research reveals that these toxins are likely used to cause drops in blood pressure in vertebrate prey, and have evolved independently on at least four occasions in eulipotyphlan mammals.
Researchers discovered tendon stem cells that can improve tendon healing and potentially avoid surgery. These stem cells compete with scar tissue precursors, suggesting a therapeutic approach to prevent fibrous scarring.
Rice University scientists create inorganic catalyst from molybdenum disulfide that mimics natural bacterial process to produce ammonia on demand under ambient conditions. The method uses electricity and can be used for small-scale production or even in space applications.
A recent study found significantly lower rates of death from any cause and all cancers combined in Adventist populations, with even lower rates among Black Adventists. The findings suggest that health benefits may be available to all Americans who choose similar diets, such as plant-based eating and regular physical activity.
A new study by Temple University Health System scientists shows that extra virgin olive oil (EVOO) can defend against tauopathies, a type of mental decline linked to frontotemporal dementia. EVOO supplementation in mice with abnormal tau protein resulted in a 60% reduction in damaging deposits and improved brain function.
A study on the Eromin Center, one of the first LGBT counseling centers in the US, highlights the importance of clinical activism and community-based practice in providing support for LGBT people. The center's approach, which focused on self-acceptance and personal strengths, has had a lasting impact on the field of mental health care.
Under future climate change, droughts are expected to become more frequent and severe, with a tripling of globally-averaged reductions in plant production by the end of this century. This could have devastating impacts on plant populations and the global carbon cycle.
According to latest theories, planets could be formed even in harsh environments around a black hole, with tens of thousands of Earth-like planets possible within 10 light-years of a massive black hole. This finding opens up new possibilities for astronomy and challenges current understanding of planet formation.
A recent study found that people who pray before donating tend to give less than they would have otherwise. However, simply thinking about the victims had no significant effect on donation levels. The research suggests that prayers can act as a substitute for material help in some contexts.
Researchers say Jupiter's Great Red Spot has not changed in size or intensity despite shrinking clouds. The flaking of familiar vortex is considered a very natural state and not an indication of the spot's demise.
A study by University of Wisconsin-Madison researchers found that a new flu drug, baloxavir, can drive drug resistance in H3N2 and H1N1 influenza viruses. The mutation occurred in nearly 23% of patients treated with the medication, but did not appear to affect its effectiveness against other virus-fighting drugs.
A study simulates forest responses to projected climate changes using a model of plant physiology. Acclimation allows trees to adjust leaf area, photosynthetic capacity, and stand density to avoid stress, but its effectiveness varies with warming levels.
Researchers suggest forest farming as a solution to unsustainable wild collection of medicinal plants, which can lead to overharvesting and loss of ecosystems. Forest farming promotes better quality products, stable income for farmers, and increased transparency in the supply chain.
Researchers have developed a new way to simulate quantum systems of many particles, allowing for the investigation of dynamic properties fully coupled to slowly moving ions. This approach overcomes limitations in previous methods and offers new insights into complex mutual interactions between particles in extreme environments.
A study found that MS drug prices are increasing due to profit-driven business models, with executives citing the US market as a key factor. The researchers noted that prices in the US continue to rise despite decreased production costs.
A new type of programmable organic capacitive memory called pinMOS is introduced, which stores several states due to controllable charge addition or removal. The pinMOS memory is promising for future applications in electronic and photonic circuits.
Researchers used thermal imaging to assess rheumatoid arthritis, finding increased palm and finger temperatures in patients. The study suggests thermal imaging could aid in early detection of the disease, which affects over 400,000 adults in the UK.
The US Department of Energy has awarded approximately $80 million over three years to strengthen the nation's energy infrastructure. The funding aims to bolster the reliability and resilience of energy systems through various projects, including malware detection and advanced sensors and data analytics.
A new study published today suggests that a combination of climate change and human activity led to the extinction of Australia's megafauna. The research analyzed fossil data, climate reconstructions, and archaeological information to test scenarios explaining regional variation in megafauna coexistence with humans.
A new study found that nearly 2 million people in the US skip medications due to cost concerns, with those under 65 and from low-income families being most affected. The study highlights the need for lower-cost generic drugs and advocating for changes in national healthcare policy to address this issue.
Researchers found that two genes, HNF4A and HNF4G, help burn dietary fat in intestinal stem cells, which may increase cancer risk on a high-fat diet. Altered stem cell functions can lead to colon cancer.
Researchers have created a biohybrid system that combines gene circuits with electrodes to detect specific nucleic acid sequences. This approach enables parallel detection of multiple pathogens and has the potential to transform medicine, biotech, academic research, food safety, and other applications.
A team led by biomedical engineer Kam Leong has received a $3.2 million NIH grant to develop efficient, noninvasive gene editing methods for the brain. The goal is to overcome current inefficiencies in delivering CRISPR-based gene editing elements to the brain and treat devastating diseases like Alzheimer's.
The study evaluates the safety of conditionally immortalized proximal tubule epithelial cells for bioartificial kidney application, demonstrating lack of oncogenic properties and tumorigenic capacity. These cells show promise for clinical application as cell-based renal replacement therapy.
Researchers have developed a new technique to study flagellate organisms, tiny eukaryotic creatures that provide clues about the emergence of complex life on Earth. By analyzing mitochondrial DNA and exploiting unique protein structures, scientists can fill in the gaps of the eukaryotic puzzle and better understand the history of life.
Researchers have developed a one-step conversion process that reduces ethanol-to-hydrocarbon conversion costs by 12-fold. This innovation enables the production of biofuels suitable for various applications, including blending with gasoline or jet fuel.
A UK study of over 3,000 doctors reveals that 36% experience burnout, leading to suicidal thoughts, depression, and anxiety. The research highlights the need for improved workplace environments, compassionate leadership, and support systems to prevent burnout and improve patient care.