A new study reveals that six countries in the Americas - Brazil, the US, Mexico, Colombia, Venezuela, and Guatemala - accounted for over half of all firearm-related deaths in 2016. The study found that global firearm-related deaths exceeded conflict and terrorism deaths every year from 1990 to 2016, except for 1994.
Studies present new approaches to treating small coronary artery disease with drug-coated balloons, reducing the need for stents. Radial access is associated with lower rates of adverse events compared to femoral access in patients with acute coronary syndrome.
The National Science Foundation is investing in research to detect, disrupt and disable illicit supply networks that traffic people, weapons, drugs, human organs, and nuclear material. This funding supports a combination of engineering and computer, physical and social sciences to dismantle these networks.
Research found that migrating monarchs encounter high levels of disease when interacting with resident monarchs at tropical milkweed sites, which can lead to reproductive issues and reduced migration rates. Monarch populations are vulnerable to parasitic protozoan OE due to the loss of natural migration patterns.
Recent study reveals Amazonian precipitation in wet season has largely increased during the past three decades due to changes in sea surface temperature (SST) variability. This finding suggests a new perspective for studying long-term change in Amazonian precipitation.
Researchers have found that disrupting the non-canonical NF-κB pathway improves the effects of radiotherapy by enhancing the immune system's ability to interact with radiation. This new approach may lead to novel combination strategies for improving cancer treatment.
Researchers have discovered a key role for O-GlcNAc modifications in enhancing neuronal regeneration after injury. Altering sugar levels on proteins can alter metabolism, leading to improved regeneration outcomes.
A new catheter-based sclerotherapy technique is a safe and effective treatment for endometrial cysts, decreasing their size and relieving pain. The procedure also preserves ovarian function and improves future fertility outcomes.
A new study found that a change in breathing tube use can significantly improve survival rates for patients with sudden cardiac arrest. The new technique, which uses laryngeal tubes, resulted in higher survival rates compared to traditional endotracheal intubation.
Researchers at the Center for BrainHealth investigated concurrent cannabis and nicotine use on brain networks. The study found that combined use had greater connectivity compared to isolated use of either substance. These findings suggest unique contributions of cannabis and nicotine on brain network connectivity.
A recent study published in the European Heart Journal found that teenage smokers and heavy drinkers experience arterial damage, which can predict heart problems later in life. The research analyzed data from over 1,200 adolescents and showed that a combination of smoking and drinking significantly increased arterial stiffness.
Scientists found four pivotal strengthening events in the East Asian summer monsoon between 1250-1900 CE, with ocean sediments offering a more reliable record of past monsoon signals. The study provides insights into Asian monsoon dynamics and their impact on regional societies.
A crowdsourced intervention led to an 8.9% absolute increase in the number of gay men who got tested for HIV in eight Chinese cities. The campaign used a multimedia approach, including contests for images, concepts, and messages, to promote HIV testing.
A recent study found that girls who have closer relationships with their fathers tend to report less loneliness as they transition from first grade to fifth grade. This suggests that fathers can help their daughters feel more connected and reduce feelings of isolation.
A clinical trial of over 1,000 patients with implantable cardioverter defibrillators found that ranolazine was safe but did not significantly decrease the likelihood of the first occurrence of ventricular arrhythmia or death. However, it did lower the number of recurring episodes of ventricular tachycardia.
A new study uses modeling tools to identify areas where forest conservation in Fiji can reduce harm to coral reefs and their fish populations. The research found that protecting or restoring native forests can provide the most benefit to downstream coral reef systems.
A 40-year study found that vacations can prolong life by reducing stress. Men who took longer vacations had lower mortality rates than those with shorter vacation times, suggesting that stress reduction is key to cardiovascular health.
New research from Michigan State University challenges the traditional 'invisible hand' theory of market control. A third party's intervention disrupts trading relationships, establishing trust and loyalty among parties involved. This leads to favorable prices, but also creates a risk of runaway train-like effects unless regulated.
A recent study from Regenstrief Institute found that a patient's diagnosis is not the primary factor in determining whether a nursing home resident needs to be hospitalized. Instead, coordinated care systems and quality improvement opportunities are crucial in preventing unnecessary hospitalizations. The study highlighted gaps in commu...
The VERDICT trial found that postponing invasive examination and treatment for up to 72 hours is as good as a very early approach in patients with NSTE-ACS, particularly those with high risk. This contradicts ESC guidelines on immediate versus early invasive strategies.
A study found that a specific E. coli strain from retail poultry products is causing urinary tract infections in people, with nearly 80% of meat samples and 72% of patient cultures positive for the bacteria. The research suggests that cooking poultry thoroughly and handling it carefully are crucial to prevent foodborne illnesses.
A new study found that goats can differentiate between positive and negative human facial expressions and prefer to interact with the former. The researchers observed that goats spent more time approaching images of happy faces than angry ones, suggesting a preference for positive emotions.
Researchers found a 9% increase in HIV testing during the intervention period, with crowdsourcing effective in promoting HIV self-testing among MSM. The study suggests crowdsourcing as a tool for developing youth-friendly HIV services and improving treatment outcomes worldwide.
Researchers fabricated an asymmetric supercapacitor based on FeCo-selenide nanosheet arrays, demonstrating a specific capacitance of 978 F/g and cycle stability of 81.2%. The device also showed excellent electrochemical performance, providing evidence that FeCo-selenide could be the next-generation promising electrode material.
Treatment with irbesartan, a blood pressure medication, slows aortic dilatation in children and young adults with Marfan syndrome. The five-year study found a clinically important reduction in aortic dilatation rates, potentially delaying surgical intervention and reducing complications.
Researchers from Politecnico di Torino and NUST MISIS create a new metamaterial that cloaks nano-sensors, improving their accuracy in optics and biomedicine. The development is part of the Italian-Russian project ANASTASIA, funded by Compagnia di San Paolo.
A new technique called TSA-Seq measures distance of every gene from specific nuclear landmarks, building a 3D picture of the genome’s organization. Genes closer to nuclear speckles tend to be more active than those near the nuclear lamina.
New research at McGill University found that people with higher BMI tend to have reduced cognitive flexibility, increased volume in the left amygdala and decreased volume in certain memory structures. The study suggests a model where genetics play a role in obesity through brain anatomy and cognitive functions.
Researchers found that air temperature feedback, a process linking atmosphere and surface, amplifies surface warming in response to external forcing. This feedback kernel measures the ability of temperature feedback to amplify surface warming.
UTEP scientists have received a $6 million grant from the National Institutes of Health to develop new regimens and biomarkers for Chagas disease treatment. The researchers aim to improve the efficacy and safety of current treatments, which are toxic and have low effectiveness.
A large study found that low-carbohydrate diets were associated with a 32% higher risk of all-cause death over an average 6.4-year follow-up. Risks were also increased for coronary heart disease, stroke, and cancer.
Researchers analyzed data from over 5,700 pregnant women with heart disease and found that fewer deaths occurred during pregnancy compared to previous years. However, nearly one in ten women with pulmonary arterial hypertension died during pregnancy or early post-partum. Pre-pregnancy counseling is crucial to identify high-risk patients.
A recent study found that tree swallow females who absorbed a stress hormone through their skin had lower survival rates and smaller offspring. Another study showed that birds with stronger stress responses were more susceptible to lingering effects of stress.
A new study found that a parental training program improved toddlers' physiological regulation and sensitivity towards their children, which can lead to better emotional and social development. The study showed that the program reduced foster care placements and improved parents' behavior.
Research by an international team from the University of Vienna reveals that remote islands have higher numbers of non-native species, which can lead to extinction events and threaten unique island species. The study found that isolation from the mainland increases the number of non-native species, while native species decline.
A study published in the Journal of the American Geriatrics Society found that short-term decline in physical function was common among older adults treated with chemotherapy for breast cancer. However, about half of patients were resilient and able to recover their ability to function within 12 months.
A new model accurately predicts patterns of mosquito-borne Ross River virus epidemics, highlighting the importance of temperature in predicting disease transmission. The study suggests that warmer temperatures may increase transmission in some regions and decrease it in others due to climate change.
A UCLA-led study found that a combination of pembrolizumab and SD-101 can alter the tumor microenvironment, enabling the immune system to attack cancer more effectively. The treatment has shown promise in people receiving immunotherapy for the first time, with some patients experiencing complete tumor disappearance.
Researchers developed a three-factor model predicting burn patients at risk for acute respiratory distress syndrome (ARDS). The model includes inhalation injury extent, percentage of body burned, and von Willebrand factor levels. This prediction tool could guide clinical trials to prevent ARDS in high-risk patients.
Scientists developed an updated international approach to identifying a healthy diet by analyzing data from large global studies involving over 240,000 people from more than 50 countries. The new guidelines suggest higher amounts of fruit, vegetables, nuts, and fish in the diet to reduce cardiovascular disease risk.
A team of MIT researchers has found a way to balance the size of droplets used in spraying pesticides, making them stick to targets more effectively. The new method uses a fine mesh screen to break up larger drops into tiny ones, reducing waste and pollution.
Researchers designed a novel molecular wire with a polyyne backbone and a ruthenium-based unit, achieving higher conductance than previous organic molecular wires. The origin of high conductance lies in orbital splitting, which induces changes in the electron orbitals to facilitate electron transfer between metal electrodes and the wir...
A study of 200 Irish adults found that many struggle to understand food labels, particularly men and those at risk for cardiovascular disease. The survey revealed gaps in consumers' use and interpretation of nutritional information, highlighting the need for improved public education and enhanced labeling.
Research found cancer increases risk of death and rehospitalization in patients with broken heart syndrome. Patients with cancer also experienced higher risks of adverse events after discharge, highlighting the need for strict monitoring.
Researchers identified two essential genes involved in regulating REM sleep duration in mice. The knockout of these genes resulted in drastically decreased REM sleep and altered sleep patterns. This study provides insights into the molecular mechanisms underlying REM sleep, a crucial aspect of maintaining mental and physical health.
A team of researchers at the University of Minnesota has successfully 3D printed a hemispherical surface with an array of light receptors. This breakthrough discovery brings scientists closer to creating a 'bionic eye' that could potentially restore vision in blind individuals.
A new nanoactuator system has been developed that can tune the conformation of biomolecules using an electric field. The system uses a gold nanoparticle tethered on a conducting surface, which can be moved reversibly using electric fields and monitored optically via changes in its plasmon resonance.
Researchers have developed a new laser technique to bind aluminum with plastic in injection molding, creating stronger lightweight materials. The method uses continuous infrared lasers to pretreat aluminum sheets, improving adhesion strength and paving the way for more efficient vehicles.
A new platform called INSiGHT was used to examine over 100 genes in the retina, identifying 16 key retinal regulatory genes. Of these, 15 were previously unknown and nine have been linked to human diseases.
The BASKET-SMALL 2 trial found that a removable balloon is as good as a permanent stent for opening small blocked arteries, with no significant differences in major adverse cardiac events. The study showed improved outcomes without the need for prolonged treatment with anticlotting medicines.
A study found that febuxostat significantly reduced the rate of primary endpoint events, including cerebral and cardiovascular disease. Lowering serum uric acid levels also decreased renal impairment and related complications.
A new treatment has been found to significantly reduce hospital stays for patients with heart infections by halving the duration of intravenous antibiotic treatment. The POET trial showed that giving patients oral antibiotics after at least ten days of intravenous treatment was as effective and safe as continued intravenous treatment, ...
Scientists at U.S. Army Research Laboratory and Johns Hopkins University Applied Physics Laboratory develop software to analyze a robot's ability to self-right from any overturned orientation. The team evaluates the Advanced Explosive Ordnance Disposal Robotic System and determines it can right itself on level ground regardless of its ...
Researchers at WSU Spokane have created candidate drugs to slow down the breakdown of nicotine in the body, aiming to reduce tobacco consumption and quit smoking. The substances target liver enzyme CYP2A6, which metabolizes nicotine, potentially alleviating withdrawal symptoms like anxiety and irritability.
A study by University of Toronto researchers found that Twitter is a reliable source for investor information, predicting company earnings and stock price movements. The 'Wisdom of Crowds' concept highlights the value of social media in promoting market efficiency.
Researchers discovered that children without autism who participated in music classes with autistic peers displayed increased empathy and a decrease in antisocial emotions. Children with autism reported feeling less victimized after participating in music lessons, which could lead to improved social interactions and reduced bullying.
Osaka University researchers successfully delivered microRNAs to immune response cells in inflamed intestinal tracts using a super carbonate apatite (sCA), reducing inflammatory cytokines. The study showed that sCA could be used to treat a wide range of immunity and allergic disorders caused by immune responses.
New York University researchers discovered two ways to blow bubbles: pushing a steady wind on a soap film through a circular wand and gently driving an already-inflated film. This study has potential applications in consumer products with bubbles or droplets, such as sprays and foams.
A team of researchers at La Jolla Institute for Immunology has identified a previously unknown progenitor population with neutrophil characteristics, which promotes tumor growth. The discovery could serve as an early warning sign for cancer and drive new therapeutic approaches for treating neutropenia, chronic inflammation, and cancer.
Trevor Dyson-Hudson, MD, of Kessler Foundation, is honored for his outstanding contributions to improving the lives of individuals with spinal cord injury. He has made significant contributions to user guidelines for wheelchair maintenance and training, helping people remain active and confident.
Researchers found rapid changes in deep-sea fauna and biodiversity in the region during a global climate event known as the Younger Dryas. They also identified significant environmental overturn around 7,000 years ago due to mixing of different deep-sea waters.
A national approach is needed for trialing cannabinoids in children due to the lack of high-quality evidence and unregulated use of products. Collaboration among academics, industry, and provincial governments is required to conduct multiple-site clinical trials with long-term follow-up.
Researchers at St. Jude Children's Research Hospital discovered that unconventional T cells play a crucial role in protecting infants from severe flu complications by promoting lung cell repair. This immune response differs from adults and may provide a new target for therapies to ease flu symptoms in infants.
Researchers identify key host-virus protein interactions that enable Zika to evade immune signaling and proliferate. The study provides insight into the viral life cycle and potential targets for antiviral drugs.
Scientists establish direct connection between macroscopic electric polarizations and microscopic electron densities, opening route for understanding and tailoring ferroelectric material properties. Ultrafast x-ray diffraction tool provides unique insight into complex material properties.
Researchers identified a gene mutation causing abnormal lymphatic circulation and restored normal vessel architecture using signal inhibitors. The study may lead to a new therapy for patients with central conducting lymphatic anomaly, a complex condition affecting immune function and fat transport.
Biological anthropologists from the University of Texas at Austin have discovered three previously unknown ancient primates in San Diego County. The fossils date back 42 million to 46 million years, with estimated weights ranging from 113 to 796 grams.
Researchers developed a novel imaging biomarker to quantify coronary artery inflammation, capturing changes in perivascular fat on CT angiography. This biomarker is associated with increased rates of death from any cause and cardiac causes.
Researchers discovered fossil parasites inside their hosts, describing four extinct wasp species that were unknown until now. The study provides major information on the evolution of parasitism and its impact on ecosystems.
A new study found that combining oral anticoagulants with antiplatelets worsened outcomes in patients with newly diagnosed atrial fibrillation, especially those without coronary artery disease or peripheral artery disease. This challenges the use of combined therapy in these patients.
Scientists have developed a method to investigate all proteins in tissue samples that are modified by ADP-ribosylation, a stress response pathway. This allows for conclusions to be drawn about activated signaling pathways and potentially leads to new diagnostic and therapeutic possibilities for cancer and other diseases.
A mathematical model for malaria shows that competition between parasite strains within a human host reduces the odds of drug resistance developing in high-transmission settings. The model reveals how once a drug-resistant strain becomes established, it will spread faster in high-transmission areas than in low-transmission areas.
A research team at the University of Colorado School of Medicine has identified a potential target for treating pain during surgery, aiming to reduce the use of narcotics. By understanding how nociceptors work, researchers hope to develop new therapies and decrease post-surgical pain duration and intensity.
A study by environmental engineers at Duke University found that gold nanoparticles can be dismantled by microorganisms on aquatic plants, complicating laboratory experiments. This discovery highlights the importance of considering complex ecosystems in research design to ensure accurate results.
Researchers at UCSB and NCAR find that climate change is affecting the connection between El Niño and wildfires, leading to more extreme and frequent fires. As the Earth warms, El Niño events are expected to have a larger impact on fire risk in California and other fire-prone regions.
Scientists at the Max Planck Institute for Chemical Ecology have found substances that accumulate in plant leaves when mycorrhizal fungi successfully colonize roots, providing a new tool for studying fungal associations and breeding programs. The discovery has significant implications for global phosphate resources and food production.
Researchers found that major Arctic rivers have increased alkalinity production over the past 40 years, potentially offsetting the negative effects of climate change. This increase in riverine alkalinity could be triggered by thawing permafrost, changes in acid deposition, and other human activities.
A new machine-learning algorithm, Best Match, has been introduced to improve the search results in PubMed, the world's largest biomedical literature database. The algorithm draws on user responses and click-through rates to provide more relevant results, increasing the click-through rate by 20% compared to chronological ordering.
A new phase has been proposed in the relationship between figs and wasps, revealing a sixth developmental cycle where insects other than wasps can insert their eggs into figs. This finding highlights the complex mutualism between figs and wasps, which have evolved over 65 million years.
Researchers at UT Austin have developed a new approach to treating cancer using enzyme therapy, which boosts the immune system by degrading kynurenine, a metabolite that suppresses the immune system. The treatment could prove effective in treating various types of cancers and is expected to initiate clinical trials soon.
Research shows that multiple facets of biodiversity, including species richness and plant evolutionary history, jointly reduce annual variation in grassland productivity. High-species-rich communities with diverse histories exhibit reduced biomass production variability.
A new type of breathing tube has been shown to increase cardiac arrest survival rates in a multicenter study. The device improved oxygen delivery and reduced errors compared to traditional intubation methods, resulting in higher survival rates among patients.
Purdue University researchers are developing a photoacoustic tomography system that provides real-time compositional information of body tissue without contrast agents. The technology has the potential to detect or monitor diseases such as cardiovascular disease, diabetes, and cancer.
A study by researchers at the University of Cincinnati found that cell metabolism significantly influences autophagy, a survival program used by some tumor cells to evade treatment. The findings suggest that manipulating this pathway could lead to better cancer treatments and outcomes.
Researchers found that Australopithecus africanus had wider, splayed roots than Paranthropus robustus and Paranthropus boisei, indicating increased lateral chewing loads. The study suggests that the orientation of tooth roots provides valuable insights into the dietary ecology of ancient humans and their extinct relatives.
Researchers from the University of Surrey developed a fiber-based sensor that can detect lithium concentration levels in blood, providing an easy-to-use alternative to invasive blood samples. The sensor is ready to use and doesn't require pre-conditioning, making it ideal for people with bipolar disorder and depression.
Stanford researchers found that ketamine works as an antidepressant by activating the brain's opioid system. The study overturns previous beliefs about the drug's mechanism and presents new treatment opportunities for depression, pain, and opioid addiction.
A study found that people's likelihood of expressing gratitude is driven by predictions of recipient reactions, highlighting the importance of overcoming fear to write sincere thank-you notes. The research suggests that writing gratitude letters can improve well-being for both writers and recipients at little cost.
Researchers at Aalto University developed a method to control the fabrication of carbon nanotube thin films, producing colored thin films for various applications. The breakthrough uses aerosols of metal and carbon, with small doses of carbon dioxide tuning the growth of nanotubes.
A large study of Australian adults found that psychological distress was linked to a higher risk of heart attack and stroke. The researchers estimated that among women, high/very high psychological distress was associated with a 44 percent increased risk of stroke.
Limpets exhibit surprising sensory and self-healing abilities, detecting minor damage to their shells and remodelling them for strength. They actively repair structural weaknesses, restoring mechanical strength within a month.
Researchers discovered that cytomegalovirus uses protein IE1 to replicate after PP71 proteins decay, offering potential therapeutic avenues for treatment
Researchers at Massachusetts General Hospital discovered how NF-2 gene mutations lead to hyper-responsiveness to growth factor signaling, driving out-of-control cellular proliferation. This phenomenon is mediated by macropinocytosis, a process that enables cells to engulf fluids and nutrients from their environment.
A new study finds that clinical quality registries for surgery often exclude treatment-related adverse events, leading to misleading conclusions. The study analyzed data from Finland and compared it with US and UK quality registers.
Researchers have developed a new method using TOF-SIMS to map the flow of biomolecules in and around solid tumors. This technique reveals how tumors signal to their microenvironment and sap local tissue resources.
HIV/AIDS research has led to significant advances in heart disease, hepatitis, and cancer. Scientists have better understood the vital role of CD4+ T cells in thwarting other infectious diseases and certain cancers.
A novel brain network has been discovered that links chronic pain in Parkinson's disease to a specific region of the brain, including the subthalamic nucleus. This research provides new insights into pain processing and suggests a potential target for pain relief in PD and other neurological diseases.
A new study suggests that a heart-healthy diet may consist of foods previously thought to be detrimental, such as dairy products and meat. The research, which analyzed data from over 218,000 people across five continents, found that consuming these foods was associated with lower risks of cardiovascular disease and death.
Scientists developed a new mathematical model using game theory to explain the biodiversity paradox, which predicts that hundreds of plankton species can coexist in open sea water despite limited resources. The model shows that biodiversity increases exponentially with the number of resources, leading to a large number of potential spe...
Tropical Storm Lane underwent significant changes in its strength after being analyzed by NASA's Aqua satellite on August 27. The storm showed powerful thunderstorms east of its center but weakened due to wind shear, only to regain tropical storm status later that day.
Research suggests that dairy products can protect against total mortality and cerebrovascular causes, but milk consumption increases the risk of CHD. Public health officials should revise guidelines on dairy consumption, recommending fat-free or low-fat milk.
Tropical Depression 16E formed in the Eastern Pacific Ocean, with coldest cloud tops reaching minus 70 degrees Fahrenheit. The depression is expected to strengthen into a tropical storm and potentially become a hurricane by Thursday.
A team of researchers identified three sources of non-independence in cultural variables: phylogenetic non-independence, spatial autocorrelation, and covariation. By controlling for these factors, they found that parasites have no more explanatory power for cultural traits than other environmental factors like biodiversity and climate.
Research reveals protein aggregates in bacteria provide protection against toxic stresses by encoding epigenetic memory. Cells with inherited aggregates display improved survival and faster recovery than those without.
Researchers at Princeton University have detected the Higgs boson's decay into two bottom quarks, a pathway that confirms theories about matter's nature. The detection gives scientists a new way to study the physical laws governing the universe.
Researchers found that teenagers have difficulty reading the emotions expressed in their peers' voices, particularly when it comes to tones of voice conveying anger, meanness, or happiness. However, they can accurately interpret adult tone of voices. This challenges the social interactions and relationships among teens.
NASA's Aqua satellite detected slight improvement in Tropical Storm Miriam's cloud pattern and convective organization on Aug. 27. The storm still exhibited wind shear effects, with coldest cloud top temperatures reaching -63 degrees Fahrenheit.
Researchers on the International Space Station are studying ferrofluids with magnetic fields to create pump systems without mechanical moving parts. This could extend system lifetimes and improve performance in next-generation space vehicles.
Research reveals that pitcher plant communities converge in terms of microbial life and small animal populations, even across different continents. The study found that Asian and North American pitchers house similar species, such as bacteria and insects, and can even mimic each other's ecosystems.
Researchers sequenced eggplant and wild relative plastomes, finding a single event led to two lineages: one in Africa and the other in Asia. This dispersal resulted in the current wide distribution of eggplant relatives across Africa, linked to African elephant and impala seed dispersal.
A new randomized trial tested a revised set of criteria for diagnosing heart attacks, but found that using these criteria did not reduce the rate of recurrent heart attacks or cardiovascular deaths. The study suggested that the revised criteria could lead to more diagnoses and treatment, but with no adverse effects on patient outcomes.
A new compact hyperspectral system captures 5-D images with high speed and accuracy, benefiting applications such as optical-based sorting and personal medical monitoring. The system uses structured light to create detailed digital archives of historically valuable artifacts.
A clinical trial showed AI detected diabetic retinopathy as accurately as expert clinicians, with a sensitivity of 87% and specificity of 90%. Early detection may prevent vision loss, which affects 24,000 Americans annually.
Researchers found that deep brain stimulation affects different neural pathways for motor and cognitive functions. The treatment shows improved effects on motor control and fewer adverse cognitive effects.
A new study found that obesity blunts post-workout muscle building and repair in young adults. The research showed that obese individuals had reduced rates of myofibrillar protein synthesis after a weightlifting session compared to normal-weight peers.