Researchers found that bright-colored light can interfere with birds' magnetoreception, but in dim light, they still use a 'chemical compass' to migrate. The study reveals two distinct mechanisms of magnetoreceptors in birds: an inclination compass and a polarity-driven compass.
A recent MRI study has mapped 'silent' heart changes that remodel the heart, linking specific regional changes to early signs of trouble in the left ventricle. The study found that pumping function deteriorates as hearts increasingly change shape or remodel.
Researchers have found a way to get drugs past the blood-brain barrier to treat brain cancer. The compound JV-1-36, an antagonist of the hypothalamic growth hormone-releasing hormone, has shown promising results in treating malignant glioblastomas.
Researchers at Cornell University have developed a beetle-inspired switch that uses surface tension to create bonds, opening up possibilities for powerful adhesive bonding in arrays. The switch can be scaled down to the size of a micron and operates using water and electricity.
Researchers found that chimpanzees learn and adopt specific techniques to solve problems, demonstrating a form of culture. The study shows that chimpanzees have a tendency to conform to their group's norms, even when they know alternative methods exist.
Scientists have identified a new mechanism by which Listeria invades non-phagocytic cells, revealing similarities between phagocytosis and endocytosis. Researchers found that Listeria uses endocytosis to transport tagged proteins inside the cell.
A large study found no link between MS risk and birth order position, contradicting the hygiene hypothesis. In fact, individuals with MS tended to be born later in larger sibships than expected.
Researchers identified a new gene, BRIP1, associated with Fanconi anemia's hallmark chromosomal instability. The protein BACH1 helps DNA unwind for repair, and BRIP1 mutations disrupt this process.
A new statistical analysis of paroxetine trials reveals a significantly higher rate of suicide attempts among adults compared to placebo groups. The study confirms that all SSRIs increase suicidal tendencies in depressed adults, with increased intensity over time.
Researchers have found that few B cells are needed to trigger an effective T-cell immune response in certain cancers. A personalized vaccine used in a Phase I study resulted in an impressive 89% survival rate for patients with mantle cell lymphoma. The study paves the way for future vaccine use in other hematological cancers.
Researchers at NIA discover new gene FANCM linked to Fanconi anemia and increased cancer risk. The gene plays crucial role in DNA repair machinery, offering potential targets for treatment.
Researchers found chimpanzees learn by observation and adopt traditions through ape-to-ape transmission. Chimpanzee groups conform to established norms, even when alternative methods exist, suggesting an ancient origin for cultural conformity in non-human primates.
The competition focuses on exploring innovative research in physics and astronomy, with a focus on deep discoveries about reality and technological innovations. The 18 finalists will present their research papers at a special session in October, with nine prizes awarded based on outstanding merit.
Rensselaer researchers have developed a predictive modeling approach that can determine protein behavior for use in bioseparation applications. The model uses molecular information obtained from the protein structure to predict adsorption isotherm parameters and chromatographic behavior, replicating experimental results.
A study using tree-ring data reveals that severe droughts and low-flow conditions in one basin are unlikely to be offset by abundant streamflow in another. The research covers waterways from Arizona, Colorado, New Mexico, Utah, and Wyoming, spanning nearly 800 years.
The study found that both groups experienced reduced distress and improved cognitive function after writing, with the experimental group using more emotionally expressive language. Language analysis revealed differences in language use between the two groups, but some strategies showed consistent benefits for both conditions.
A large study of over 1000 women with BRCA1 and BRCA2 mutations found that weight loss is associated with a significant reduction in breast cancer risk. Women who lost at least 10 pounds between ages 18-40 had a 65% lower risk, while those who gained 10 pounds or more were at higher risk of developing the disease.
Researchers are working on a next-generation HPV vaccine that is both protective and therapeutic, which can be converted into powder for easier transport. The new vaccine aims to be less expensive than existing options like Cervarix and has shown promise in preventing HPV infection.
Researchers found direct decompressive surgery plus postoperative radiotherapy to be the most effective treatment, enabling 84% of patients to walk after treatment. This approach also reduced dependence on corticosteroids and opiod analgesics, showing significant benefits for patients with metastatic cancer.
A recent review of research suggests that playing violent video games can lead to increased aggressive behavior in children and adolescents. The study found that boys tend to play more violent video games than girls, and those who do play may be more vulnerable to the effects of exposure.
A research team led by Professors Lamb and Pugh has been awarded the Proctor Medal for their comprehensive analysis of molecular events underlying photoreceptor response to light. Their work enables straightforward use of the electroretinogram in analyzing deficits in various basic and clinical situations.
The RIT study found that museum imaging was output-driven and subjective, with a lack of standardized protocols. Key findings include the need for objective evaluation methods, improved color management, and more efficient workflows to enhance digital preservation.
Researchers at EPFL successfully demonstrate controlling the speed of light in an optical fiber, slowing it down by a factor of 3.6 and speeding it up to exceed the speed of light without violating relativity. This breakthrough has significant implications for optical computing and telecommunications.
A large study found that young children with medulloblastoma are at risk of impaired reading skills after radiation therapy, even if they receive lower doses. The greatest decline in IQ and reading skills occurred in patients younger than 7 years old.
Researchers at VCU's Massey Cancer Center have discovered a key enzyme involved in the spread of breast cancer cells. The study, published in the Journal of Biological Chemistry, suggests that sphingosine kinases are potential new targets for cancer therapy.
Researchers at Thomas Jefferson University have discovered a potential biomarker, GRK2, that can predict the severity of heart failure. Elevated levels of this enzyme in the blood are associated with more severe heart failure and may help identify patients who would benefit from specific treatments.
Researchers at Princeton University developed a new structure that can trap and redirect light, outperforming ordinary crystals in photonic circuits. This breakthrough could lead to the development of faster and more energy-efficient communication devices.
The National Safety Council has released new economic tools to measure the impact of health and safety initiatives in workplaces worldwide. These models, including Productivity Assessment Tool and ROHSEI, integrate risk assessments, cost-benefit ratios, and decision-making to motivate business leaders to improve safety performance.
A 15-year longitudinal study found that individuals diagnosed with minor depression were more likely to develop major depression, particularly among young adults (18-29 years old) and women. The study also revealed that cancer and other chronic illnesses did not increase the risk of developing major depression.
A new study reveals that despite progress in attracting women to science and engineering fields, they still face barriers to advancement, including unconscious bias and hostile campus climates. Institutions are responding with initiatives like mentoring programs and workshops to address these issues.
A new study by UCLA researchers reveals that heart-failure patients suffer from both physical and mental injuries, with brain damage impacting their ability to exercise. The findings emphasize the need for cardiologists to recognize this connection and develop therapies to prevent brain injury and boost brain function.
A recent study found that 71% of younger women with early-stage breast cancer discuss fertility-related information with healthcare professionals, while 86% discuss menopause. The research aims to educate women about fertility preservation methods and manage menopausal side-effects after treatment.
A UTD-led research team has produced strong, transparent carbon nanotube sheets with exceptional mechanical and electronic properties. These sheets have numerous applications, including organic light-emitting displays, low-noise electronic sensors, and artificial muscles.
Researchers at Emory University Health Sciences Center discovered the PCP pathway's role in shaping cochlea and hair cells. The study reveals that mutations in this pathway impact hearing and offers new insights into developing hearing restoration therapies.
A new study by the University of Washington's Evans School of Public Affairs found that federal funds intended for low-income schools are often diverted to affluent schools within the same district. The research documents how current rules allow taxpayer money meant to help overcome poverty to be shifted to wealthier neighborhoods.
A large body of evidence highlights barriers to increasing female faculty numbers, including lack of encouragement, confidence, and role models. Specific strategies, such as speed mentoring and ADEPT tool kit, are provided to address these issues.
Researchers at Penn State have developed a new microprinting technique called microdisplacement printing, which enables precise placement of molecules during nanoscale component fabrication. This method relaxes requirements for positioning stamps used to apply consecutive patterns with different molecular inks.
Researchers have identified two distinct formation times for chondrules in the Gujba and Hammadah al Hamra meteorites, contradicting the linear process of solar system evolution. The discovery suggests that giant plumes of vapor produced by planetary collisions may have formed these chondrules much later than previously thought.
Scientists have discovered a molecular mechanism by which bacteria can recognize and respond to tiny antimicrobial peptide molecules, making them more virulent. This finding may lead to new ways to overcome bacterial resistance and improve treatment options for diseases caused by Salmonella typhimurium.
A new study published in The Lancet found that newborn screening for childhood hearing impairment leads to increased referrals before 6 months of age, ultimately contributing to better language and speech development. Early intervention programs can also mitigate deficits in children with bilateral PCHI.
The University of Edinburgh is partnering with universities worldwide to launch Masters Degrees in Legal Medicine and Forensic Science. The programs aim to equip students with comprehensive skills and expertise in forensic education, including courses on human identification, chemical evidence, and crime scene management.
A group of women scientists and administrators analyzed the issue of bias in science careers, highlighting four broad challenges: pipeline, climate, unconscious bias, and balancing family and work. The study reveals that these barriers prevent women from advancing in their careers and achieving equity.
Research suggests that football players are often dehydrated when they start practice, and that acclimatization to the environment and uniform is key. Coaches can reduce heat stress and injury by introducing a training schedule that progresses slowly and allowing for recovery between practices.
Researchers discovered that Escherichia coli bacteria contain genes that inhibit the growth of other E. coli cells upon contact. This 'stop on contact' phenomenon may contribute to chronic urinary tract infections and has potential implications for new antibiotics.
A study found that women are more likely to choose mastectomy over breast-conserving surgery due to fears of recurrence and radiation treatment. Despite this, overall survival rates are the same for both procedures.
Research at Duke University found that hybrid kittens born to Florida panthers and Texas animals have a three times higher chance of becoming adults. This is due to the introduction of new genetic material, which helps reduce genetic abnormalities in purebred Florida panthers.
Contracting with non-state entities like NGOs has been shown to improve health services in developing countries through substantial, rapid improvements. Studies have found that contracting costs between $3 and $6 per head per year can increase immunisation coverage by up to 40 percentage points compared to government provision.
A new study reveals that the SAR11 microbe's streamlined genome is key to its dominance in oceans, recycling organic carbon and supporting 50% of global photosynthesis. With a compact genetic makeup, SAR11 can survive in low-nutrient environments and efficiently reproduce by consuming dissolved organic matter.
Researchers discovered that otter underhairs are uniquely adapted to provide thermal insulation, with wedge-shaped fins fitting into grooves between adjacent hairs. This structure allows air bubbles to trap heat, while the hairs' coated surface and thin layer of body oil further reduce water absorption.
A new study in PLOS Pathogens suggests that Mycobacterium tuberculosis and its close relatives recently emerged from a much more ancient bacterial species, possibly as old as 3 million years. This discovery may have significant implications for improving diagnosis and treatment of the disease.
Researchers at Dartmouth's Geisel School of Medicine have discovered that two kinases, CaMKKα and CaMKKβ, can regulate AMPK independent of LKB1, potentially offering new opportunities for cancer treatment. This finding may also contribute to the development of treatments for type 2 diabetes and obesity.
Researchers engineer a BCG strain to secrete listeriolysin, enhancing T cell-mediated immunity. The new vaccine strain offers superior protection against tuberculosis, including the highly drug-resistant Beijing/W family.
A recent study published in the Journal of Clinical Oncology found that pediatric brain tumor survivors experience significant long-term effects from radiation and treatment. The study, led by Paul Fisher, MD, surveyed 134 former patients and discovered that those who received radiation had a poorer quality of life than those who only ...
Researchers developed a novel MRI strategy to visualize inflammatory lesions in the pancreas that cause type-1 diabetes. This new approach provides preclinical data on mouse models, guiding the application of an in vivo MRI technique to patients with autoimmune diabetes.
Researchers have designed new cyclic alkyl amino carbenes (CAACs) that enhance stability and efficiency of metal catalysts. These carbene-based catalysts facilitate faster chemical transformations at lower temperatures, reducing costs in pharmaceutical manufacturing.
A study by Newcastle University and Aberdeen University found that EU farming subsidies favor rich, core regions in Germany, UK, France, and Netherlands over poorer, peripheral regions. The researchers recommend redistributing funds from Pillar One to Pillar Two to boost rural economies in poorer nations.
A new imaging technology has shown promise in detecting pancreatic inflammation in type 1 diabetes, allowing for early prediction of disease progression and response to treatment. The technique uses magnetic nanoparticles and MRI to identify inflamed pancreatic islets, potentially reducing the need for invasive biopsies.
A new BCG vaccine strain protects against tuberculosis with high efficacy, while a novel TWEAK pathway induces liver cell proliferation in response to injury. These findings may lead to specific therapies for liver diseases and improved TB protection.
Researchers studying neonatal rat models aim to understand the role of norepinephrine in opiate withdrawal and explore its potential as a treatment. Clonidine, traditionally used for high blood pressure, may provide relief from symptoms in newborn infants.
A study by Matthew Krain found that single international actor interventions reduce killings, while additional actors increase the chance of saving lives. The research also confirms that impartial intervention attempts are ineffective in stopping genocide.