Researchers created a prototype of an acoustic cloak by arranging cylinders around an object, demonstrating that sound waves maintain their original wave-front pattern as they pass around the object. The proposed technique could enable better soundscapes in urban environments and quieter helmets for ear protection.
A team of researchers at DOE's BioEnergy Science Center has pinpointed the single gene controlling ethanol production capacity in a microorganism. This breakthrough discovery could lead to developing biomass crops that produce higher concentrations of ethanol at lower costs, addressing our reliance on imported oil.
Researchers at NYU Langone Medical Center identified a molecular mechanism that regulates blood vessel formation. The Semaphorin-PlexinD1 signaling pathway, which limits VEGF growth, shows promise as a future therapeutic target for cancer treatment.
Researchers at the University of Iowa have identified a new function for the harmonin protein, which is mutated in Usher syndrome. The protein plays a critical role in transmitting sound information to the brain.
A new device, developed by Scottish researchers, can reliably detect explosive vapors using a compact silicon-based micro-system. The device measures the change in electron lifetime, less affected by environmental factors, making it more reliable than previous devices.
Researchers found that while deep brain stimulation has increased acceptance among referring physicians for Parkinson's disease and other movement disorders, only half of recommended patients are appropriate candidates for immediate therapy. This suggests that physicians have become more aware and accepting of the treatment, but may re...
Agricultural Research Service scientists found that using strip tillage and placing fertilizers directly below the seed increased corn grain yields on eroded slopes by 12-26% over two years. This innovative technique supports Idaho's growing dairy industry and promotes international food security.
A 10-year analysis of national intelligence reforms finds that a groundbreaking plan was hindered by budgetary and structural limitations. UC researchers argue that the DNI office created an anchor for the US Intelligence Community, but organizational culture and bureaucracy have slowed transformational change.
A new study published in Archives of Dermatology found that beta-blocker propranolol was more effective than oral corticosteroids in treating infantile hemangiomas, with higher rates of lesion clearance and fewer adverse effects. Propranolol treatment also led to significant cost savings.
Researchers explore ways to boost fiber optic communication capacity to meet growing internet traffic demands, including space-division multiplexing and mode-division multiplexing. Studies aim to increase fiber capacity by up to seven-fold, enabling exponential growth in optical communication systems.
A new study demonstrates the benefits of self-affirmation in improving relational security and social behavior for insecure people. Participants who completed a self-affirmation task showed improved relationships and behaviors over two months.
A study by researchers from the University of Montreal found that children of depressed mothers have an enlarged amygdala, which is linked to emotional responses. This change may be associated with increased reactivity to stress in these children.
Researchers found high serum BDNF levels among alcohol-dependent individuals, which may predict relapse. Abstinence and non-abstinence conditions showed increased BDNF levels over time, indicating neurological transformations reflected by peripheral BDNF levels.
Researchers found that mothers of young children experience 'nagging' from their kids due to commercial TV characters and advertisements. Mothers cited strategies like limiting exposure, explaining choices, and setting rules to deal with nagging, which can impact childhood obesity rates.
Researchers at Tel Aviv University have developed a unique computational method to analyze the H1N1 virus, identifying key mutation strategies that led to the 2009 pandemic. This method reveals crucial differences between the pandemic strain and common seasonal H1N1 strains, shedding light on potential vaccine development.
Egyptian fruit bats use an internal map to locate individual trees based on visual landmarks like lights or hills. The bats can bypass familiar trees to reach their favorite feeding site, suggesting a large-scale navigational mechanism beyond simple visual cues.
A team of researchers has discovered that a genetic mutation in the CDKAL1 gene can lead to misreading of specific parts of the insulin-producing gene, resulting in decreased insulin production and impaired cell function. This finding sheds light on the underlying mechanisms of Type 2 diabetes.
A study from North Carolina State University reveals that work experience primarily benefits men in finding new jobs through social connections. Women, despite having work experience, do not reap the same social benefits and are no more likely to find a job through informal recruitment than formal searches.
A global study found that seven out of 61 species are threatened, with the southern bluefin tuna being one of them. The main factors contributing to this are the fish's high dollar value leading to heavy fishing pressure and their slow reproduction rate.
Watching TV for six hours a day may shorten life expectancy by almost five years, according to research. Sedentary behavior is associated with a higher risk of death from heart attack or stroke, and TV viewing accounts for substantial sedentary activity.
A recent study published in Pediatrics found that 19% of younger siblings of children with autism developed autism, with males having a significantly higher risk than females. The study also showed an increased risk for male infants with two older siblings who have autism, at over 32%
Researchers at the University of Toronto have identified a new treatment target for human respiratory syncytial virus (RSV), a common cause of severe lung infections and estimated 10% of colds. The study found that RSV interacts with healthy cells by binding to a molecule called nucleolin, allowing it to decrease or increase infection.
A study published in CMAJ found that type of cardiac arrest and underlying medical condition predict long-term survival rate. Patients with pulseless electrical activity or asystolic arrest, longer resuscitation duration, and advanced age are at high risk of death.
Researchers at The Donald Danforth Plant Science Center have discovered that green tea polyphenols can control a deadly congenital disease by hijacking the ADP activation site. This finding has also been validated in two types of tumors, glioblastomas and tuberous sclerosis complex disorder, suggesting potential for drug development.
A new study found that parents of nut-allergy sufferers often encounter hostility and scepticism from friends, family, and even restaurant staff, making it difficult to find safe environments for their children. The research highlights the need for better public education about the dangers of nut allergy.
A new study by University of Illinois marketing expert Tiffany Barnett White found that brand-conscious consumers view negative information about their beloved brands as a threat to their self-image. They defend the brand and re-write history to maintain a favorable self-evaluation, extending to multiple markets such as sports teams.
Research by University at Buffalo professor Lora Park found that women who prioritize romantic goals over academic pursuits exhibit less interest in STEM fields. Women's socialization to be romantically desirable conflicts with traditional masculine scripts for intelligence and achievement, leading to decreased math and science interests.
Researchers at St. Jude Children's Research Hospital identified a hybrid cell as the origin of childhood eye tumor retinoblastoma, which has been linked to multiple developmental pathways being turned on simultaneously. The study also found that blocking certain chemicals reduced growth in human retinoblastoma cells, providing a potent...
The Daya Bay Reactor Neutrino Experiment has begun taking data to establish the last known mixing angle, θ13, with unprecedented precision. This breakthrough could explain why there is more matter than antimatter in the universe.
The National Institutes of Health has renewed funding for a research project at Virginia Tech to develop computational models to assist policymakers and researchers in making better-informed decisions about emerging infectious diseases. The project aims to refine existing models to provide software tools that can help public health off...
Researchers found moderate drinkers were 23% less likely to develop cognitive impairment or Alzheimer's disease. Moderate drinking was more beneficial than beer or spirits, but the finding was based on a relatively small number of studies.
A study of 3,223 participants found that higher vitamin D levels were associated with an increased risk of nonmelanoma skin cancer (NMSC), particularly in cases not exposed to UV radiation. Despite this association, the relationship between vitamin D and NMSC remains complex due to inconsistent evidence.
Researchers at the University of Pittsburgh Cancer Institute have identified the small tumor protein (sT) as the oncoprotein that triggers Merkel Cell Carcinoma (MCC), a rare but deadly skin cancer. The discovery could improve diagnosis and understanding of MCC, potentially shedding light on other cancers.
Researchers found that making goal attainment visual provides motivation, even in abstract contexts. Studies showed that participants who could easily visualize their progress were more energized and motivated to reach their goals. The study suggests that visualization can be a powerful tool for increasing motivation and commitment.
A study of seven patients found that wearing a custom-designed pressure device on the ear at night supplemented surgical excision and steroid injection to effectively treat auricular keloids. The device showed safety and efficacy, with no itch, pain or abnormal sensations reported by treated patients.
A study reports that children living near lead battery manufacturing and recycling operations in developing countries have significantly higher blood lead levels, associated with lifelong health problems. The industry is expected to nearly double in size over the next five to 10 years, posing significant risks to workers and communities.
Recent studies and guidelines suggest that traditional Chinese medicine may be effective in treating seasonal flu, while delayed surgery for hip fractures may not necessarily lead to poor outcomes. Additionally, new guidelines from the USPSTF recommend against bladder cancer screening in asymptomatic adults due to inadequate evidence. ...
Researchers used a global circulation model to demonstrate how atmospheric waves affect Titan's weather patterns, leading to sharp and surprising cloud shapes. The study reveals that these waves can cause intense precipitation, shaping Titan's surface through erosion.
Chronic pain affects an estimated 500,000 Canadians aged 12-44 and 38% of seniors living at home, highlighting the need for better care strategies. Experts recommend a broad approach to increase pain management expertise through education, technology, and supported self-care.
A novel gene therapy approach combining with radiation therapy has been found to be safe and effective in treating glioblastoma multiforme, a deadly form of brain cancer. The treatment stimulates an immune response against the tumor, producing an 'immunogene therapy' effect.
Researchers at UNC School of Medicine have devised a gene therapy cocktail that can treat some inherited diseases caused by misfolded proteins. The approach uses an adeno-associated virus (AAV) vector to deliver two payloads simultaneously: one disables the mutant protein and another provides a new gene to replace its activity.
A new urine-based test has been found to be more accurate than traditional prostate cancer screening methods, detecting the disease in 100% of cases while minimizing false positives. The PSA/SIA assay works by analyzing changes in PSA protein structure associated with cancer.
Researchers found that pupils with autism stuck rigidly to tasks in the order they were given, despite potential time savings. Difficulty with prospective memory also contributed to their challenges, and the study suggests ways to address these issues through task modification and training.
Research suggests that blood stem cells may play a role in the development of chronic lymphocytic leukemia (CLL), a cancer of mature white blood cells. CLL often begins with an asymptomatic proliferation of B cells called monoclonal B lymphocytosis (MBL). The study found that hematopoietic stem cells, which can give rise to any type of...
A team led by Indiana University biologists has confirmed that modern sunflowers originated from the eastern United States, based on a comprehensive examination of genetic diversity. The researchers found no evidence to support the idea that sunflowers were domesticated independently in Mexico.
A large international multi-site study found the recurrence risk of autism in younger siblings to be substantially higher, with a combined estimated risk of nearly 19%. The risk is especially elevated among male infants, with over 32% diagnosed with an autism spectrum disorder
Researchers at Duke University Medical Center have discovered a new approach to treat inflammatory auto-immune disorders like lupus and multiple sclerosis. The anti-inflammatory agents use polymers to neutralize external nucleic acids that trigger an overactive immune response.
Researchers discovered striking similarities in gene expression patterns between healthy aging and neurodegenerative diseases, including Alzheimer's. Aging-related changes were found in individuals as young as 50, contradicting previous expectations.
A new computer model, EvoArch, suggests the Internet's architecture will remain an hourglass shape unless new protocols are added to the middle layers. The model predicts that existing protocols in these layers will compete and replace each other.
A new study suggests that conflict levels in marriage don't change much over the course of a relationship. Low-conflict couples tend to be those where both spouses share decision-making and believe in traditional, life-long marriage, leading to higher marital happiness and lower divorce rates.
A study in mice found that a genetic variation in the CDKAL1 gene leads to misreading of insulin-producing genes, causing decreased insulin production and impaired cell function. Meanwhile, researchers discovered that breast cancer cells evade the antitumor activity of NK cells by modifying their environment.
A new assessment tool, SNOT-16, has been found to effectively evaluate the quality of life in adult patients with acute rhinosinusitis. The modified questionnaire assesses symptom severity and frequency, demonstrating validity and responsiveness.
A study by Purdue University researchers found that E. coli and Salmonella can survive inside plant tissues, rendering exterior sanitization ineffective. The pathogens were detected in every major tissue of the plants, including those transporting nutrients. Cooking foods to known temperatures eliminates these bacteria from inner tissues.
Research published in Journal of Epidemiology and Community Health found a significant association between pre-pregnancy obesity and asthma-like respiratory symptoms in adolescents. Teenagers whose mothers were severely overweight before pregnancy were 20-30% more likely to wheeze or have asthma.
A study evaluating a command-directed casualty response system found improved survival rates among U.S. Army Rangers, with 92% of casualties surviving despite severe injuries from explosions and gunfire. The system's success is attributed to its integration of Tactical Combat Casualty Care guidelines and prehospital trauma registry.
Men who live in states with a strong culture of honor are more likely to take risks and engage in aggressive behavior, leading to higher rates of accidental death. In rural areas, this culture can be even more deadly, with a 19% higher rate of accidental deaths compared to non-honor states.
Researchers found that limiting drug-eluting stent use to high-risk patients preserves clinical benefits while reducing costs by an average of $401 per patient. The selective use of these stents has saved the US healthcare system around $400 million annually.
Researchers measured a spike in radioactive sulfur in the air, revealing that 400 billion neutrons were released per square meter surface of cooling pools between March 13 and March 20, 2011. The levels reached California coast, but posed no threat to human health.
A study published in The Lancet found that just 15 minutes of daily physical activity can reduce the risk of death by 14% and increase life expectancy by 3 years. This benefit applies to all age groups and both sexes, with a significant reduction in mortality rates from cardiovascular disease, diabetes, and cancer.
A new study found that combination immunotherapy nearly doubles five-year survival among patients with advanced Sezary Syndrome, a rare leukemic form of cutaneous T-cell lymphoma. The therapy approach comprised extracorporeal photopheresis and systemic immunostimulatory agents.
A new study has recovered and analyzed the oldest fossil evidence of fingernails in modern primates, confirming that small body size led to nail development. The discovery provides direct evidence for the evolution of nails in primates and sheds light on the origins of human-like characteristics.
NeoBiota, a new open-access journal, addresses the challenges of biological invasions through rapid online publishing. The journal incorporates automated cross-linking with major biodiversity platforms to provide barrier-free access to information and data, supporting the study and management of invasive species.
A Taiwanese study found that exercising for 15 minutes a day can reduce mortality risk and extend life expectancy. The study involved over 416,000 participants and showed a significant benefit of moderate exercise even at low volumes.
A new Rutgers study found that applying caffeine directly to the skin may help prevent damaging UV light from causing skin cancer. The study, which involved genetically modifying mice with diminished ATR enzyme, showed that the modified mice developed fewer tumors and had reduced risk of invasive tumors compared to unmodified mice.
Researchers from Texas A&M Institute of Renewable Natural Resources discovered a freshwater mussel species, Quadrula mitchelli, thought to be extinct in the San Saba River. The find indicates that small populations may exist and is a significant discovery for conservation efforts.
By combining spintronics and straintronics, researchers created an ultra-low-power integrated circuit that harnesses ambient energy for computation. The proposed design uses multiferroic composite structures to achieve significant energy savings, potentially powering implantable medical devices and buoy-mounted computers.
A study analyzing results from multiple international clinical trials of beta-blocker drugs found significant differences in survival rates among patients treated in different regions. US patients showed a lower survival rate compared to patients outside the US, while other countries demonstrated more substantial reductions in mortality.
Research in Greenland and Antarctica shows that fossil-fuel related emissions of methane and ethane declined at the end of the twentieth century. The study, led by Murat Aydin, found a common cause for the decline in both gases, linked to changes in energy use.
A new study from Northwestern University finds that Chicago's south and southwest sides suffer the most in terms of residents' health and access to basic health resources. The study highlights significant disparities in healthcare access, including limited mammogram screening and HIV testing sites.
At least 351 species thought to have disappeared over the past 122 years have been rediscovered, but most remain highly threatened and on the brink of extinction due to habitat loss. Researchers stress the need for rapid conservation efforts to prevent further decline.
A modified form of the enzyme Cdk5 is elevated in Alzheimer's disease patients, triggering damage to nerve cell connections. This discovery suggests that SNO-Cdk5 could be targeted for the development of new Alzheimer's disease therapies.
Researchers found diverse bacterial communities in infant saliva associated with early childhood caries, supporting the need for proper oral hygiene practices and dietary habits from birth. The study identifies minimizing fermentable sugars and wiping gums without teeth as crucial preventive measures.
Researchers at the University of Adelaide have found a direct link between obesity and electrical abnormalities in the heart muscle, leading to atrial fibrillation. Obesity can increase blood pressure and put strain on the heart, increasing the risk of developing this common heart rhythm disorder.
The USDA and DOE have awarded grants to spur research into improving the efficiency of growing biofuel crops, including switchgrass, poplar, and Miscanthus. The goal is to develop more resilient crops that can thrive in challenging environments, reducing competition with food production.
Researchers at Fox Chase Cancer Center found that IMRT improved treatment outcomes for patients with extranodal lymphoma of the head and neck, with minimal side effects. The study showed high response rates and no severe dry mouth, relapses, or tissue abnormalities.
A recent Oregon State University study suggests that parasites in fish can have profound impacts on fish health and contribute to salmon mortality. The research found that heavy parasite loads can affect salmon growth, immune function, and other issues, and are linked to land use changes such as logging and agriculture.
A new study reveals that adults who stutter have a brain reorganization that shifts the processing of hearing and motor functions to the right hemisphere. This finding sheds light on the mechanisms underlying persistent developmental stuttering.
Researchers at MIT's Impact and Crashworthiness Laboratory developed a computer model that accurately predicted the location and propagation of cracks in the Deepwater Horizon's drill riser. The model could help oil and gas companies identify stronger or more flexible pipe materials to minimize future accidents.
Researchers at NYU Langone Medical Center have developed advanced MRI techniques that can detect subtle changes in joint cartilage microstructure, allowing for early diagnosis of osteoarthritis. These techniques enable physicians to shift the management of the disease from eventual joint reconstruction to long-term preservation.
Researchers found that breast tumor cells can evade NK cell antitumor activity by promoting self-tolerance. The study suggests that restoring NK cell function could benefit individuals with breast cancer.
Researchers have created a technique to control the speed and direction of light using memory metamaterials, which can repeatedly change their properties. This innovation enables the manufacture of Gradient Index of Refraction (GRIN) devices for imaging and communication technologies with unprecedented precision.
A Spanish study of adults found that heavy drinking and binge drinking were associated with a poor adherence to major food consumption guidelines. The researchers suggest that drinking at mealtimes may contribute to adverse metabolic effects and an increased risk of chronic diseases such as obesity, diabetes, and cardiovascular disease.
Researchers at Penn State College of Medicine have discovered a potential new cancer therapy that inhibits two key enzymes in mouse tumor cells, making them more sensitive to chemotherapy. The drug SLM3, which targets GSK-3ß and CDK1, has shown promising results in lab mice.
Researchers found that evolutionary changes in aphid populations led to rapid increases in population numbers, up to 42% faster than non-evolving populations. This rapid evolution has important implications for predicting pest densities and outbreaks in various applied areas.
Researchers analyzed jailhouse phone conversations between accused male abusers and their female victims to understand why some victims recant charges. The analysis revealed a five-step process where perpetrators use emotional appeals to minimize actions and gain sympathy, ultimately leading to the victim's decision to recant.
A new tool, the Edmonton Obesity Staging System (EOSS), predicts mortality risk in overweight and obese individuals with greater accuracy than current methods. The study found that higher EOSS scores were associated with increased mortality risk, even after adjusting for BMI and metabolic syndrome.
A superior-inferior nerve identification technique during thyroid removal surgery significantly reduces complications, including paralysis of the recurrent laryngeal nerve and hypoparathyroidism. The study found fewer permanent cases of these conditions with this approach.
Researchers found that PHLPP1 and PTEN tumor suppressor genes work together to prevent lethal prostate cancer. The study suggests that monitoring gene transcription activity could predict patient outcomes and identify best candidates for clinical trials.