A study found that honey bees fear predators and avoid associated food sources, making colonies more cautious but individual bees more risk-tolerant. This strategy may help bees exploit all available food sources by having some foragers visit danger to allocate the colony's foraging efficiently.
Scientists have identified a protective pheromone, ESP22, in the tears of young mice that blocks adult mating behavior. This discovery provides insight into how sensory systems regulate social behavior and could lead to a better understanding of human behaviors.
Researchers at Université Laval have developed biomaterial-free biological wound dressings made from human skin grown in vitro. These dressings successfully treated venous ulcers in patients who had been chronically suffering from such wounds, with an average healing time of seven weeks.
Group Health Research Institute received two PCORI awards to study the effectiveness of breast MRI compared to mammography for breast cancer surveillance. The institute also provides assistance to a new national data network, enhancing the nation's ability to conduct patient-centered comparative effectiveness research.
Researchers have developed a new production method for graphene that uses aromatic molecules, enabling the creation of flexible graphene structures with specific functionality. The method allows for the manufacture of quantum dots, nanoribbons, and other nano-geometries with unique properties.
Researchers develop an algorithm for image stitching that minimizes seam artifacts by smoothing the transition between images, producing visually appealing results. The approach is based on minimizing an energy function and can be used for both two-dimensional and future three-dimensional image stitching applications.
A clinical trial found that HydroEye(R) improved ocular irritation symptoms and halts the progression of inflammation in moderate to severe dry eye. The study showed significant benefits for post-menopausal women, providing a safer alternative to existing dry eye treatments.
A new study published in the Journal of Bone and Joint Surgery found that ACL reconstruction surgery provides a significant cost savings to society, with an average lifetime benefit of $50,000 per patient. The study estimated lifetime societal savings of approximately $10.1 billion annually.
A Phase II clinical trial is underway to test the safety and acceptability of a reduced glycerin gel formulation of tenofovir in preventing HIV transmission through unprotected anal sex. The study aims to determine whether rectal microbicides can be used as an additional tool to reduce HIV risk.
Researchers found that environmental factors played a significant role in shaping the songs and brain structures of zebra finches, with low heritability values for most characteristics except for syllable count and frequency. The study suggests that flexibility in response to environmental conditions helps maintain genetic variation.
A phase III study published in The Lancet found that ramucirumab inhibits tumour growth and improves median survival, offering new treatment options for patients with advanced gastric cancer. The study's results suggest a potential benefit for patients with limited treatment options.
Researchers created an innovative imaging system with a deformable lens and iris-like component, allowing for precise control of light focus. The device focuses light almost as well as the biological counterpart in people, with potential applications in medicine and scientific research.
Researchers found that three insect species altered their mating behaviors in response to falling air pressure, which may reduce injury and death. The study suggests insects are adapted to respond to potential bad weather, impacting not only individual animals but also ecological communities.
The US2010 report shows increasing diversity in American communities, with whites, blacks, Hispanics, and Asians sharing spaces. However, micropolitan areas lag behind metropolitan counterparts in diversity levels, while segregation among certain groups remains substantial.
Researchers identified the subunit where binding took place and showed that a known activator fully activates AMPK through biochemical communication with other subunits. This discovery confirms the activation site and enables the modeling of potential drugs.
The increasing availability of 3D printers has sparked concerns about the design and production of custom plastic firearms. While the printed guns are currently unreliable, they can become more effective with advancements in technology. The American Chemical Society reports on this growing issue.
Researchers found that two benign strains of C. difficile can prevent infection by more dangerous strains. The harmless strains occupy the same niches as the infective strains, preventing colonization and ultimately infection. This study provides promising results for developing new protective measures against C. difficile infection.
New research suggests that eye contact can actually make people more resistant to persuasion, particularly when they already disagree. The study found that direct eye contact makes skeptical listeners less likely to change their minds.
New research shows that direct eye contact can make skeptical listeners less receptive to persuasion, while focusing on the speaker's mouth is more effective in convincing those who already agree. Eye contact plays a different role in competitive encounters, highlighting its nuanced impact on human interaction.
A study of 41,133 mothers and children in Arkansas found that high pregnancy weight gain increases the risk of obesity in children through age 12. Excessive weight gain during pregnancy may contribute to the obesity epidemic, with children whose mothers gained 40 lbs or more having an 8% increased risk of obesity.
Researchers at UC Riverside identified DEET-detecting olfactory receptors, enabling the development of three safe compounds that mimic DEET and could prevent the transmission of deadly vector-borne diseases. The findings offer a major breakthrough in controlling insect-borne diseases worldwide.
A team of engineers has developed a new approach that marries computer vision and hardware optimization to sort cells up to 38 times faster than current techniques. The approach improves on imaging flow cytometry, which uses camera mounted on a microscope to capture cell features.
A Vanderbilt study found that 74% of patients with respiratory failure, cardiogenic shock, or septic shock developed delirium in the hospital, leading to dementia-like brain disease even a year after discharge. Cognitive deficits persisted for up to 12 months in both older and younger patients.
Researchers will investigate methylation markers in blood to predict chronic depression with a $3 million NIH grant. The findings may lead to more tailored treatment plans and improved management of the condition affecting nearly 15 million American adults.
Researchers from the University of Cambridge discovered that specialized intestinal cells called Paneth cells play a major role in inflammation underlying Crohn's disease. The study identifies autophagy as a key mechanism in removing ER-stressed membranes, which are rendered inflammatory by misfolded proteins.
Researchers at MIT have discovered charged droplets that can improve power plant efficiency by repelling each other and applying an external electric field. This technology has the potential to enhance heat transfer on condensers and even generate electricity from ambient air.
A new study from the University of Toronto's Rotman School of Management found that employees who had autonomy over their lunch activities were less tired at work. Relaxing activities freely chosen by workers led to reduced fatigue, while socializing with colleagues increased it.
A recent study found that high-dose statins significantly reduced gum inflammation in heart disease patients within four weeks. The research also showed a close link between gum inflammation and atherosclerotic disease, suggesting that improving oral hygiene may lead to improved cardiovascular health.
A new method developed by researchers could help diagnose and treat thousands of young adults and teens who end up in emergency rooms after taking synthetic marijuana. The study found significant differences in how individuals' bodies process the drugs, which could explain why some people experience more severe effects.
Researchers at the University of Leicester found that resveratrol can still be used in the body after it has been metabolized. The study shows that the chemical can be taken into cells and broken down into a more effective form, potentially leading to new cancer treatments.
The UH Graduate College of Social Work program is recognized for its international contributions to social work education and programming. The program has been involved in various global initiatives, including the China Collaborative Project and certification training in Hong Kong.
A Yale-led study has identified 52 genes that significantly correlate with outcome in patients with IPF, predicting shorter survival time and guiding treatment decisions. The discovery of these biomarkers may lead to better prediction of disease presence and severity.
Researchers found significant cortical thinning and subcortical atrophy in Parkinson's patients with mild cognitive impairment, indicating faster neurodegeneration. This pattern may serve as a predictor of dementia in PD patients in the future.
Biochemist Alex Evilevitch measures internal pressure of HSV-1, revealing key mechanism behind herpes infection and paving way for new medicine development. The discovery could lead to universal treatment for various viral infections, including cancer-linked viruses.
A new class of RNAi drugs has shown promising results in lowering cholesterol levels by up to 57% in healthy volunteers. The treatment, ALN-PCS, works by blocking the production of PCSK9, a protein that destroys low-density lipoprotein (LDL) receptors.
A Rice University study finds that technology growth and sicker patient populations contribute significantly to rising hospital costs in Texas. The study contradicts the common assumption that uninsured patients are driving price increases, suggesting a need for greater attention to understanding cost drivers.
Researchers have found that erectile dysfunction drugs can protect the colon from inflammation and damage, potentially preventing or treating colon cancer. The drugs activate a tumor suppressive pathway in the gut, reducing excessive cell proliferation.
A detailed annotated checklist of 275 scale insect species in Iran reveals a diverse range of pests affecting crops. The study's findings highlight the economic importance of these insects and the need for further research to improve pest control management.
Research reveals an inherited genetic defect in the interleukin-10 (IL-10) pathway is associated with a higher risk of developing certain types of blood cancer, such as diffuse large B-cell lymphoma, in infants and children. The study suggests that chronic intestinal inflammation may play a role in cancer development.
A recent study published in the British Journal of Neurosurgery found that surgery can be an effective treatment option for older epilepsy patients, with 74% remaining seizure-free compared to 58% of younger patients. However, caution is needed regarding postoperative memory decline in older adults.
A study published in Journal of the American Academy of Child and Adolescent Psychiatry found that approximately one-third of teens with bipolar disorder developed substance abuse. Risk factors identified included experimentation with alcohol, cannabis use, and certain mental health conditions.
A study from Henry Ford Hospital found that free head and neck cancer screenings in urban areas had a positive impact on African American communities and current smokers. The screenings also increased knowledge of risk factors such as smoking and alcohol use.
Researchers have engineered E. coli to seek out and kill disease-causing pathogens, including those responsible for difficult-to-treat infections like pneumonia and urinary tract infections. The new bacterial strain uses an antimicrobial peptide and enzyme to break down biofilms, offering a potential new treatment option.
Researchers will explore ways to use existing catalysts like platinum and palladium, altering ratios and thickness to optimize performance. The goal is to develop catalytic converters that can treat lower-temperature exhaust gas and meet environmental regulations.
Researchers have developed a new tuberculosis vaccine that acts as a booster to the existing Bacille Calmette Guerin (BCG) vaccine, which is ineffective in many cases. The vaccine was tested in a phase one clinical study and showed a robust immune response in most trial participants.
A systematic review and meta-analysis found that radiofrequency ablation is a safe and effective treatment for most patients with dysplastic Barrett's esophagus. The procedure led to complete eradication of dysplasia in 91% of patients, while intestinal metaplasia was eradicated in 78%, and recurrent metaplasia occurred in 13%.
NYU has been awarded a grant to create a comprehensive biomedical research training program to prepare students and postdoctoral scholars for careers beyond academia. The program will provide career-training workshops, professional development, and job search support to approximately 1,100 trainees.
A major transportation company survived Hurricane Sandy by adopting flexible strategies to meet customer demand and ensure personnel safety. The company's schedulers bypassed normal communication channels to speed up information exchange, relying on face-to-face conversations instead.
A study published in Neurology found that people with depression are three times more likely to develop Parkinson's disease than those without depression. Researchers analyzed 4,634 individuals with depression and 18,544 without depression over a 10-year period.
Dvali and collaborator Cesar Gomez will investigate if black holes possess matter with Einstein-Bose properties, potentially altering our understanding of gravity and space-time. They believe black holes are a collection of Bose-Einstein condensates, challenging classical physics assumptions.
A decade-long study reveals that Costa Rica's longline fishery catches more olive ridley sea turtles than commercial fish species, threatening their survival. The research also shows a decline in shark populations, with smaller sharks becoming increasingly common.
Researchers from Garching and Braunschweig transport frequencies with high precision over almost 2000 km to accurately determine the geoid of the Earth. The new technology allows for a height difference of 4 mm between clocks to be resolved within 100 seconds.
The New York Botanical Garden has digitized the two-millionth plant specimen, a rare purple pitcher plant, as part of its ambitious project to make scientific collections widely available online. The milestone achievement marks almost one-third of the way to the garden's goal of digitizing its entire collection of 7.3 million specimens.
Researchers have identified the precise causal link between neuronal activity in the lateral hypothalamus and REM sleep. Using optogenetics, they were able to induce and manipulate REM sleep in mice, providing a breakthrough in understanding sleep mechanisms and potentially leading to new therapeutic strategies.
Researchers from UT Arlington and MIT developed a new technology that allows for quantitative microscopy through opaque media, enabling the observation of cellular processes in lab-on-a-chip devices. The technique uses near infrared light and quantitative phase imaging to achieve label-free imaging with nanometer thickness accuracy.
A comprehensive review of medical literature reveals a link between PTSD and metabolic syndrome. The study suggests that the relationship is not clear and may be influenced by various factors such as socioeconomic status and lifestyle habits. Further investigation is needed to fully understand this connection.
Researchers discovered a five-year delay between slow tree growth and increased mortality in a Black Spruce forest, suggesting that older forests may be storing more carbon than previously estimated. This finding has important implications for understanding the impact of climate change on forest health and carbon sequestration.
Researchers found that comprehensive, community-based mental health programs in California promoted independent living among people with serious mental illness. Non-white patients and those with schizophrenia and bipolar disorders were less likely to benefit from these programs.
Researchers found insects adjust courtship and calling behaviors in response to changing air pressure, reducing risk of injury during high winds and rain. The study suggests these modifications may help insects predict adverse weather conditions, allowing them to modify their mating behavior accordingly.
The presentation highlights the importance of cataloging and conserving crop wild relatives worldwide. Researchers have identified critical taxa in need of protection and conducted inventories of CWRs in the US, revealing nearly 4,600 species, including endangered relatives of sunflower, bean, and sweet potato.
Researchers are developing a drug to prevent inflammation around implanted electrodes, which causes brain cells to degenerate and compromise the blood-brain barrier. Testing is underway to determine if administering the drug can improve outcomes and extend the lifespan of brain implants.
Schools with district or state policies discouraging sugary foods and beverages were more likely to restrict those items at parties, with a 2.5 times higher rate than schools without such policies. Approximately half the schools had no restrictions or left decisions to teachers.
A study published by University at Buffalo found that early-term infants (born at 37-38 weeks) are more likely to experience low blood sugar, difficulty breathing, or require antibiotics, necessitating NICU admission. The risk is further increased if born via cesarean section.
Researchers find that mid-February to mid-March warming has the greatest impact on breaking bud timing. This challenges the use of degree-day models, which may become less effective as temperatures deviate from historical norms.
A Duke University study found elevated levels of radioactivity, salts, and metals in river water and sediments after fracking wastewater discharge. Radioactivity levels were up to 200 times greater in sediment samples collected near the facility than upstream.
A new MRI technique has been developed to detect Fabry disease, a genetic condition that affects the heart, brain, and nerves. The T1 mapping test can identify microscopic changes in the heart muscle structure that are not visible on regular images, allowing for early detection and treatment.