Tropical Storm Ileana is intensifying off the coast of Mexico, with cloud top temperatures reaching minus 80 degrees Fahrenheit. The National Hurricane Center predicts heavy rain and flash flooding in coastal areas, with possible isolated maximum amounts of 6 inches.
Researchers found that transplantation followed by antiviral therapy cured hepatitis C in all 20 patients who received kidneys from infected donors. The treatment resulted in excellent renal function and stable to improved quality of life.
Researchers study mice living in 'Souris City' device to identify distinct personalities based on behavior differences. The study reveals that dopamine-producing neurons play a key role in shaping individuality, with mice exhibiting radically different strategies for navigating the maze.
The program will fund 80 two-year scholarships over five years for low-income students in the Cullen College of Engineering and NSM. The research aims to show that increasing access to social capital and engagement will help students be more successful.
Researchers at Johns Hopkins and Insilico Medicine discovered novel epigenetically silenced genes in ovarian cancer, including methylation of the GULP1 gene. GULP1 expression is associated with late-stage disease and poor overall survival, suggesting its potential as a biomarker.
Climate change is projected to double rain-on-snow flood risk in the Sierra Nevada, Colorado River headwaters, and Canadian Rocky Mountains by the end of this century. This could lead to a 200% increase in localized flood risk and strain existing infrastructure.
A new diagnostic test could help distinguish Kawasaki Disease from other conditions, enabling earlier diagnosis and treatment. The test targets a specific pattern of host gene expression in whole blood.
A team of paleontologists discovered dozens of hadrosaur and therizinosaur tracks in Denali National Park's lower Cantwell Formation, providing evidence that Alaska served as a gateway for dinosaur migration between Asia and North America during the Late Cretaceous period. The co-occurrence of these dinosaurs in Alaska challenges previ...
Researchers developed new magneto-plasmonic nanoscale routers and modulators for various nanophotonic functionalities. The devices exploit the propagation of surface-plasmon-polaritons in magneto-plasmonic waveguides to achieve high-contrast switching.
A study by CU Anschutz researchers found that US drug prices are not aligned with their value or net health benefits. The researchers used a forecasting model to calculate cost-effectiveness for commonly reimbursed cardiovascular drugs, revealing a wide spectrum of cost-effectiveness and varying price-to-health-gain ratios.
A clinical trial at Penn Medicine has successfully cured 20 patients of the Hepatitis C virus (HCV) after receiving kidney transplants from infected donors who were treated with an antiviral therapy. The results show that the quality and function of the transplanted kidneys are similar to those from non-HCV infected donors.
Researchers found that mice infected with hookworms produce super-killer macrophages that are efficient at killing the worms but also cause tissue damage and inflammation. The study reveals that RELMalpha, an immune protein, helps balance immunity and inflammation by downregulating inflammatory responses.
Researchers from China and the US analyzed five sulfur isotopes in aerosol, SO2, and coal samples to determine their sources. The study reveals that photochemical reactions in the stratosphere produce sulfate aerosols enriched with 33S, while biomass and fossil fuel combustion yield sulfates depleted in 36S.
A RAND Corporation study found that adolescents who view tobacco ads in convenience stores are more willing to try vaping products. Hiding the 'power wall' behind an opaque barrier reduced willingness by 15%. Researchers suggest limiting point-of-sale advertising may help reduce industry efforts on adolescent nicotine use.
Researchers found that bariatric surgery reduces the risk of nerve, kidney and eye disease in patients with type 2 diabetes. The study included over 3,900 patients who underwent bariatric surgery and compared them to a control group of over 11,000 patients who received usual medical care.
Neurons in brain's master clock exhibit regular activity cycle that is disrupted under constant light conditions. Blocking these neurons reduces the severity of shifts in daily rhythms, suggesting a potential mechanism for modern sleep disorders.
Researchers have identified key stages in the process of endogenization, by which host genomes defend against invading retroviruses. The study found that recombination between viral sequences and host genomic elements can incapacitate new viral sequences, making them less harmful.
Researchers have developed a potential new class of non-antibiotic compounds that target specific gut microbes to reduce cardiovascular risk. These compounds prevent the production of TMAO, a gut byproduct linked to heart disease, without killing beneficial gut bacteria.
A new study by the University of Leicester found that larger muscles can compensate for poor muscle quality in Chronic Kidney Disease (CKD) patients, improving physical function and strength. The research suggests that muscle size is a more important factor than muscle quality in maintaining good physical performance.
A recent study found that 8.3% of trastuzumab-treated patients developed heart failure, highlighting the need for cardiac monitoring in high-risk breast cancer patients. The study also showed a consistent increase in heart failure risk with age, emphasizing the importance of prioritizing cardiac monitoring for younger patients.
A Mayo Clinic research team has identified specific genes associated with an increased risk for developing triple-negative breast cancer. Alternations in BARD1, BRCA1, BRCA2, PALB2 and RAD51D genes were linked to a high risk for this subtype of breast cancer, while mutations in BRIP1 and RAD51C genes showed a moderate risk.
Researchers used a PET tracer to identify differences in ER expression across metastases and surrounding normal tissue in breast cancer patients. The study found that approximately 50% of patients had one or more estrogen-receptor negative lesions, highlighting the heterogeneity of ER expression.
Researchers reevaluate Madjedbebe site evidence, suggesting a revised human dispersal timeline for the region; the findings have implications for understanding human migration patterns in Southeast Asia and surrounding areas.
Researchers at Peter the Great St. Petersburg Polytechnic University create three-dimensional porous material made of collagen and chitosan to restore bone tissue after trauma or illness. The material stimulates natural tissue growth, eliminating the need for lifelong medication.
Researchers at George Mason University propose a 12-step model to finance social determinants that could lead to significant cost savings for healthcare stakeholders. The model aims to incentivize sustainable funding for services like reliable housing, nutrition, and transportation, which are crucial for future health outcomes.
A new study finds that forest soils have been overestimated as methane sinks by up to 50% worldwide. Methane uptake by forest soils has declined globally, especially in regions with increasing precipitation.
Researchers developed a new imaging tool to visualize metabolic activities in individual cells, tracking protein, lipid, and DNA production. The technique's potential applications include tumor removal, head injury detection, and developmental disorder diagnosis.
Researchers found that fat fibrosis in subcutaneous fat is predictive of unhealthy belly fat and insulin resistance in Asian participants. This difference could help explain why Asians develop type 2 diabetes at a lower body weight than Caucasians.
A systematic review of 33 studies found that more processed starches increase the risk of cavities due to their breakdown into sugars in the mouth. Whole grain carbohydrates, on the other hand, may offer protection against gum disease and a lower risk of oral cancer.
Climate change poses significant health risks to children, including dehydration, heat stress, respiratory disease, and vector-borne diseases. Researchers propose strategies for addressing these needs, such as establishing medical protocols and best practice guidelines for climate-related event planning.
The study suggests that climate change, particularly volcanic activity and extreme weather events, contributed to the growth and decline of the ancient Turkic Khaganate. The researchers used tree-ring chronologies, ice core data, and Chinese dynastic chronicles to analyze the effects of climate change on the empire's development.
Researchers used magnetoencephalography to show that brain's ability to group sounds into sequences disappears during slow wave sleep. However, elementary associations like stimulus-reflex response can be acquired during sleep, suggesting limitations in learning capabilities.
A study published in eNeuro found a common neural signature of balance maintenance in the healthy brain, which could be used to assess balance in patients with movement disorders. The researchers used EEG and EMG to record electrical activity from the brain and muscles while participants walked or stood on a narrow beam.
A University of Wisconsin-Madison research team discovered a previously unknown mechanism for controlling cellular decisions, combining an on-and-off switch in a single protein. The protein EBS binds to two different chemical modifications on histones, promoting or preventing the transition to flowering.
Research suggests that early childhood trauma may be a risk factor for anxiety and depression in adults diagnosed with head/neck cancer. The study found that patients who experienced emotional neglect were more likely to have advanced cancer stages, while physical child abuse was linked to increased anxiety levels.
Researchers at the Advanced Science Research Center found that wetter soil decreases methane gas absorption by 53-89 percent, leading to a positive feedback loop between global warming and climate change. This study highlights the significant impact of reduced methane uptake on global warming and the need for further research.
Researchers at Ohio State University have developed a unique vaccine that employs an uncommon two-pronged approach to fighting the Zika virus. The single-dose vaccine proved effective in triggering an immune response that prevented later infection by Zika virus.
Researchers found that African killifish can mature and reproduce in as little as two weeks, setting a new record for the fastest maturation rate in vertebrates. The fish's lifespan is also highly flexible, with some individuals reaching sexual maturity in up to 10 weeks.
A study by University of Utah Health scientists reveals that variation in the genetic modifier Baldspot can influence disease severity in retinitis pigmentosa. The research suggests targeting genes like Baldspot could lead to effective treatments against some disorders.
Researchers from EPFL and ENS Paris have discovered that highly pressurized water in the vicinity of an earthquake can reduce its intensity. This finding contradicts previous theories and highlights the importance of considering fluid pressure in geothermal models to accurately predict earthquake behavior.
A new motion-sensing technology uses radio waves to detect a person's presence and location anywhere inside a room, even beyond the sensor's line of sight. The system works by analyzing patterns created by radio waves bouncing around the room, allowing it to distinguish between different scenarios and locate objects or people in space.
Tropical Storm John strengthened off southwestern Mexico's coast, with cloud top temperatures indicating strong storms capable of heavy rain. The storm is forecast to become a hurricane and produce life-threatening ocean conditions along the Mexican coast.
Researchers at Brigham and Women's Hospital have developed a rapid molecular diagnostic that can determine if a tumor harbors an IDH1 or IDH2 mutation within 27 minutes. The test is coupled with a sustained release microparticle drug delivery system that provides localized treatment and prolonged survival in a mouse model.
Rice University scientists develop technology to remove specific contaminants from drinking water and wastewater, reducing energy and cost. The system uses composite electrodes that selectively pull target ions, allowing for more efficient treatment and reuse.
Researchers have successfully engineered silkworms to produce high yields of spider silk using genome editing, a breakthrough that could pave the way for mass production of this versatile material. The transgenic silkworms produced fibers with improved elasticity and extensibility compared to wild-type silkworms.
A new mobile application called Painimation uses animations to assess and monitor pain better than traditional measurement tools. The study found that over 80% of patients enjoyed using the app and it provided similar or more information about pain type and cause than existing questionnaires.
A program keeping elderly aged care residents out of hospital emergency departments has been successful in reducing demand on emergency services. The 'Hospital in the Nursing Home' program saw a 47% decrease in hospital admissions among aged care patients, with an estimated economic benefit of AU$8 million per year.
Typhoon Shanshan maintained an eye despite weakening due to NASA-NOAA's Suomi NPP satellite capture. The storm weakened on August 6, with deep convection diminishing and eyewall and rain bands becoming less organized.
Researchers found that doxorubicin targets enzymes controlling immune responses in the spleen and heart, disrupting metabolism and leading to impaired inflammation resolution. The drug also poisons specific immune cells, causing a loss of host defense and promoting chronic non-resolving inflammation.
Researchers have created all-solid-state batteries with extremely low interface resistance, enabling fast charging and discharging. The batteries showed excellent electrochemical properties, exceeding those of traditional Li-ion batteries.
Before its scientific missions, NASA's Transiting Exoplanet Survey Satellite (TESS) caught a comet in stunning images. The comet, C/2018 N1, was located about 29 million miles from Earth and moved across the frame as it orbited the Sun.
A new study published in PLOS ONE found that sleep boosts 'fitness' and future family line reproductive success, suggesting it plays a significant role in evolutionary adaptation. The research used mathematical modeling to compare the fitness of sleeping and non-sleeping strategies under various conditions.
Researchers from CNRS and Cirad have discovered that the bark of certain tree species generates forces that control tree growth and upright posture. This motor function was previously overlooked, but is now recognized as a crucial component of a tree's ability to grow vertically.
A study found that reducing NOVA1 gene activity inhibits telomerase, leading to shorter telomeres and reduced tumor growth in non-small cell lung cancer. The research provides a new approach to targeting cancer cells and may lead to more effective treatments for this prevalent form of age-related cancer.
The fox genome study identifies genomic regions associated with tame and aggressive behaviors, revealing potential links to domestication in dogs and Williams-Beuren syndrome in humans. A single gene, SorCS1, is found to be linked to specific behaviors in foxes.
Researchers developed an integrated fabrication process to design soft robots on the millimeter scale with micrometer-scale features, enabling changes in structure, motion, and color. The new technology paves the way for a new generation of flexible microrobots for medical and environmental tasks.
Five low- and middle-income countries lack trained health workers and essential medicines, hindering readiness for noncommunicable diseases. Policymakers can engage private sector in addressing NCD burden through partnerships, medicine procurement, and service financing.
A new method has been developed to deliver curcumin to cancer cells, enhancing its effectiveness in treating various cancer types. The approach involves creating a sophisticated metallocyclic complex using platinum that increases curcumin's solubility and synergy.
New research from Singapore Management University suggests that venture capitalists' reputations can be damaged when their endorsed companies fail to meet expectations. The study found that VCs create high expectations for their portfolio companies, which can have long-lasting consequences for their own reputations.
Researchers develop solar-blind UV photodetector with high responsivity and low dark current, enabling detection of deep ultraviolet emission. The joint work showcases the possibility of manufacturing new-generation photodetectors using existing silicon technologies.
A study reveals evidence of community collapse in Mojave birds, with 43% loss of previously documented bird species over the past century. Climate change, particularly decreased precipitation, is associated with the decline in Mojave birds, while surface water presence is linked to increased species richness.
A new study by the University of York found that dilute concentrations of Prozac make female starlings less attractive to males during courtship. The researchers discovered increased male aggression towards females receiving the medication, leading to a higher risk of mate failure and population decline.
A study found similar trends in streamflow in natural and human-modified watersheds, indicating climate-induced changes. Streamflow decreased in the southern US and increased in northeastern states and Canadian prairies.
A University of Washington study found that children use repetition, increased volume, and variation to communicate with nonresponsive voice technology. Parents often recognize their child's intended message and fill in the gaps, but a device could also be designed to engage in partial understanding.
Researchers investigate intrinsic biogeophysical feedbacks that may lead to 'Hothouse Earth' conditions despite reduced human emissions. The study highlights the risk of exceeding global average temperatures in interglacial periods of the past 1.2 million years.
Research finds that pride serves an evolved function in human nature, helping individuals weigh self-interest against social approval. The study reveals a close link between pride and the values of those around us, suggesting it's a win-win rather than a sin.
Researchers developed a smart wristband that can monitor personal health by counting blood cells, bacteria, and air particles. The device sends data wirelessly to an Android smartphone for processing and analysis, enabling rapid diagnosis of illnesses and tracking of environmental exposures.
Researchers develop targeted approach to treat glioma, using microparticles to deliver drug directly to brain. The treatment targets a specific mutation found in 20-25% of gliomas and has shown promise in extending patient survival.
A Johns Hopkins Medicine study identified CMPK2 and BCLG as potential new drug targets for the treatment of HIV. The researchers found that these genes are selectively activated in response to type 1 interferon, a drug once used to treat hepatitis C.
Researchers found that injectable trace mineral Multimin90 improved conception rates in some herds, but not others. In one study, selenium and copper status improved compared to saline injections. The value of injectables lies in ensuring every animal receives the supplement at a chosen timing.
Researchers at Vanderbilt University have identified a key enzyme that drives neuron death in neurodegenerative diseases, including Alzheimer's and ALS. The enzyme histone deacetylase 1 (HDAC1) modifies a molecular motor that triggers signaling agents to travel down the axon, killing the neuron.
Research reveals that genetic factors and age are the strongest predictors of humoral immune responses to common pathogens and vaccines. The study also found that older individuals and women exhibit stronger antibody responses against most antigens.
Scientists at University of California San Diego School of Medicine have successfully created a line of spinal cord neural stem cells that can be used to model diseases and potentially provide a scalable source of replacement cells for spinal cord injuries. The diverse cells, derived from human pluripotent stem cells, show promise in a...
Pediatricians in a telemedicine service face difficulties diagnosing from a distance, managing patients' expectations, and working alone. To overcome these challenges, they use intuition, experience, and protocols, highlighting the need for special skills and training.
A new study suggests that organic materials found in ancient meteorites formed through basic chemical reactions during the Solar System's infancy. The research provides insights into the potential habitability of other planetary systems.
A new study found that female patients treated by male physicians had lower survival rates compared to those treated by female physicians. Increasing the presence of female physicians in emergency departments may improve outcomes for these patients.
Meteorite chondrules reveal that oxygen and volatile elements increased in the inner Solar System until around 4.567 billion years ago. Volatile element delivery continued to increase after this point, supporting a model of Mars' early formation under oxidizing conditions and Earth's accretion under reducing conditions.
A new high-sensitivity blood test for cardiac troponin has been found safe and effective in diagnosing heart attacks faster than traditional methods. The test ruled out heart attack in 30-83.8% of patients within three hours, compared to 80.4% with conventional testing.
A new study suggests that excessive screen time is contributing to an increase in nearsightedness among children, with symptoms including dry eye and blurred vision. Parents can take steps to mitigate this by encouraging outdoor activities, using good posture, and taking regular breaks from screens.
Researchers at Scripps Research and Bristol-Myers Squibb developed a new tool, called phosphorus-sulfur incorporation (PSI), to precisely control the 3D architecture of thiophosphate linkages in nucleic acid therapeutics. This technology enables the creation of single isomers with hundreds of thousands of stereoisomers.
A 19-year review of nearly 582,000 heart attack cases reveals that female patients have a significantly higher survival rate when treated by women doctors. The study's findings also suggest that male doctors with more female colleagues in the ER can improve survival rates for female patients.
Researchers have uncovered the remnants of the early solar system with the discovery of an ancient igneous meteorite containing silica-rich crustal rocks. The oldest recorded igneous meteorite, dating back 4.565 billion years, provides valuable insights into planet formation and volcanic rock compositions in the early solar system.
A study of over 500,000 observations found that female heart attack patients treated by male physicians had lower survival rates. Survival rates improved when there were more female physicians in the emergency department or when male physicians were exposed to more female patients.
Researchers found a broad range of cost per dose delivered across Indian states, with personnel costs accounting for 57% of total costs. The weighted average national cost per dose was $2.29, which is lower than the current allocation of $25 per child.
Researchers report significant declines in forest soils' methane uptake, attributed to increased precipitation and hydrological flux. A literature analysis reveals a 77% global average decrease in methane uptake from 1988 to 2015.
Researchers found that states expanding Medicaid eligibility in 2014-2015 saw a significant increase in diabetes medication prescriptions, with a 30% rise per 1,000 people. This growth was particularly notable for newer, more advanced forms of insulin and other medications, suggesting improved treatment outcomes.
Researchers at Lund University tracked the flight height of two small bird species migrating from Scandinavia to Africa, finding they flew as high as 3,950m. The study used a data logger to measure acceleration, air pressure, and temperature during flight, revealing the birds' altitude adjustments in response to changing wind conditions.
Researchers found unique chromosome rearrangements in mosquito larvae from the Caucasus region, indicating a complex genetic structure. The study suggests that the region's fauna has unified geographically but divided evolutionarily, with significant genetic distance between populations.
Researchers developed a drug-delivery system that dissolves clots in minutes, limits scarring, and preserves cardiac function. The targeted treatment may improve patient outcomes by allowing for earlier treatment of heart attacks without surgical intervention.
A UCL-led study found that stress enhances people's ability to process and internalize bad news, reversing the typical optimism bias. Under stressful conditions, individuals become more vigilant to bad news, even when unrelated to their anxiety source.
Research finds that restricting student and high-skilled visas has little impact on overall migration, while limiting family and low-skilled visas reduces migration but diverts aspiring migrants to unauthorized channels. Enforcement of unauthorized migration is also inefficient.
Scientists discovered that gas bubbles rising to the surface can alter volcanic gas composition, which affects eruption forecasts. The findings also suggest a new pathway for chemical changes in gases during large-scale eruptions.
Hurricane Hector was observed in detail by NASA-NOAA's Suomi NPP satellite, providing forecasters with valuable information on its clouds and structure. The storm maintained its strength with sustained winds of 120 mph and an estimated central pressure of 962 millibars.
A study found that more than 70% of tweets about e-cigarettes were posted by robots, while human users showed strong support for vaping. The team analyzed nearly 194,000 geocoded tweets and identified adolescent Twitter users as particularly enthusiastic about e-cigarettes.
The guidelines outline lessons learned by experts in various fields to identify early signs and symptoms of treatment-related toxicity, detailing ways to manage it. Key recommendations include monitoring for cytokine release syndrome and addressing parent and/or caregiver concerns.
Researchers found a significant connection between probiotic use, bacterial overgrowth in the small intestine, high levels of D-lactic acid, and brain fogginess. The study suggests that excessive probiotic use can lead to severe bloating and disorienting brain fog.
The researchers discovered a connection between the colouration of clownfish and the toxicity of sea anemone species they live with. The more venomous anemones have less white stripes on their hosts, suggesting the bright colouration has a protective function.
A new study warns that reducing greenhouse gas emissions may not be enough to avoid a 'Hothouse Earth' state, where temperatures could rise by 4-5°C and sea levels increase by 10-60m. The authors call for accelerated transition towards an emission-free world economy.
Research by Peter Selb and Simon Munzert found Hitler's 455 public appearances had surprisingly small effect on electoral outcomes. His personal involvement only positively impacted the 1932 presidential election, but overall campaign effects were minor.
Researchers used heart imaging technology to study hearts of pregnant women with severe preeclampsia, finding higher contraction pressures in right ventricles and abnormal relaxation rates. This led to overwork and poor pumping ability, increasing risk of heart failure, stroke, and heart attack.
A computational model simulated potential migrants' decisions and found that restrictive policies, such as limiting visas, reduce immigration by up to 32%. However, these restrictions also increase unauthorized immigration, which may be difficult to offset with increased enforcement.
A team of Chinese astronomers has discovered the most lithium-rich giant known to date using the LAMOST telescope. The star's lithium abundance is approximately 3,000 times higher than that of typical giants, providing valuable insights into the universe's evolution and Big Bang theory.
A graduate student at Virginia Tech Carilion Research Institute is investigating how adenovirus affects gap junctions in the heart, which can lead to arrhythmia. The research aims to understand the pathways used by the virus in sudden cardiac death and potentially develop therapies for other forms of cardiac disease.
Researchers found significant correlations between tornado activity and Arctic sea ice extent, particularly in July. The study suggests that Arctic sea ice loss controls the jet stream's path, leading to reduced tornado formation.
Endometrial cancer is found in most cases of postmenopausal bleeding but the risk is relatively low at 9%. Early detection strategies for postmenopausal bleeding are needed to improve survival rates.
Scientists found that an ancient and unrelated endogenous retroviral element is inserting itself into the new retrovirus via recombination, deactivating it. This process may be a molecular defense mechanism of hosts against new retroviral attacks.
A low-protein diet during pregnancy and lactation may increase the risk of prostate cancer in offspring, according to a study with rats. The study found that females fed a low-protein diet had offspring with preneoplastic alterations capable of interfering with glandular function.
Researchers at Stanford University have developed a system that automatically renders accurate sounds for complex animated content, such as splashing water or colliding objects. The system takes into account the vibrations of each object and how they excite sound waves, resulting in highly detailed and realistic sounds.
A laboratory and natural experiment demonstrate how threat dissolves human optimism bias, allowing individuals to flexibly shift between optimistic and pessimistic patterns. The study suggests that stress can improve the processing of bad news, enabling people to adapt their optimistic outlook to changing environmental conditions.
Next-generation metabolomics may facilitate the discovery of new antidepressants by providing broader coverage and higher resolution than traditional methods. The technique has demonstrated great potential in accelerating pharmaceutical R&D, particularly for natural products like albiflorin, a promising multi-target drug candidate.