Researchers developed coated silica nanoparticles that can deliver calcium-based compounds and antimicrobials into damaged teeth through microscopic holes. The particles overcome previous aggregation issues, showing promise for restorative treatment of sensitive teeth.
New research reveals that smog exposure can cause the formation of free radicals in lung proteins, leading to damage, inflammation, and breathing difficulties. The study, conducted in a controlled environment, suggests that ozone reacts with amino acids in lungs, triggering the creation of highly reactive species.
US fracking operations consume nearly 250 billion gallons of water between 2005 and 2014, which is lower than other energy-related extraction methods. However, in drought-stricken areas, local water shortages could limit future use of hydraulic fracturing.
Researchers found that disrupting brain activity in a specific area can change punishment decisions without affecting blame judgments. This study suggests that the dorsolateral prefrontal cortex integrates information from other parts of the brain to determine punishment and moral responsibility.
The University of Vienna has created a photorealistic online game, called a 'quantum lab', allowing users to virtually access unique instruments and conduct experiments. The virtual laboratory is designed to make modern science accessible to the general public, university students, and high-school students.
Researchers at NC State University isolated possible ovarian cancer biomarkers using a highly sensitive mass spectrometry analysis. The study found that the level of biomarkers associated with ovarian cancer does not simply increase or decrease over the course of the disease, but can rise and fall during different stages.
A new study finds India's monsoonal rainfall is 12% below average due to El Niño and La Niña fluctuations. Asteroids cause fractures up to 25 kilometers below the moon's surface, according to a Geophysical Research Letters study. Scientists will use a community fleet of drones for Earth monitoring
Researchers at UI Health have successfully transplanted stem cells from healthy siblings into adult patients with sickle cell disease, achieving a 92% cure rate and eliminating the need for chemotherapy. The procedure offers a new prospect for adults with the disease, who previously had limited treatment options.
Researchers use large-field scanning electron microscopy to analyze a shrimp fossil from Brazil's Araripe Basin, discovering rare fossilization process and fractal characteristic. The study provides new insights into the formation of ancient fossils.
A new study found that family arrest histories and delinquent friends were the best predictors of heavy drinking or long-term marijuana use among youth offenders. The researchers emphasized the importance of training youths to strengthen impulse control and resist peer pressure as part of drug and alcohol abuse prevention programs.
Tropical Depression 9 developed in the central Atlantic on September 16, 2015, with tropical-storm-force winds detected by NASA's RapidScat instrument. The depression was already affected by wind shear, according to infrared data from NASA's Aqua satellite.
A new UCLA study reveals that Alzheimer's disease consists of three distinct subtypes, each requiring targeted research and potential new treatments. The cortical subtype appears to be fundamentally different from the other two, suggesting different causes and optimal treatment approaches.
A team of UK scientists has created the first three-dimensional picture of a submarine canyon habitat using marine robotics and ship-based measurements. The expedition used unique robot technology to collect data in hard-to-reach areas, leading to a better understanding of biodiversity patterns and processes.
According to a comprehensive report by the American Cancer Society, cancer is the second leading cause of death overall in the US, but it remains the leading cause of death among US Hispanics. Lung cancer is the primary concern, particularly for Hispanic men, who are more likely to die from this disease.
The Healthy Young Men's Study aims to improve HIV care and prevention among Black, Latino, and multiracial gay and bisexual young men. The 5-year study will investigate the use of new technologies and biomedical interventions to prevent new HIV infections in highly impacted communities.
A study of nearly a million tweets found that liberals use more emotionally expressive language, while conservatives talk about religion. The research suggests that online networks can provide valuable data to understand people's psychological characteristics and behavior.
A new study finds that choosing a college major can significantly impact lifetime earnings, with STEM majors resulting in $700,000 to $800,000 higher earnings. In contrast, social science or liberal arts majors with advanced degrees may not see substantial increases in lifetime earnings.
A new hand-held probe using optical coherence tomography (OCT) technology has been found to correlate well with traditional pathologists' diagnoses in a clinical study, enabling reliable real-time guidance for surgeons. The device can identify differences between cancer cells and normal tissue with high sensitivity and specificity.
Researchers found a stress-coping hormone releases a protein fragment called amyloid beta, which clumps together and leads to Alzheimer's disease. The study strengthens the idea of a link between stress and Alzheimer's, providing insight into potential treatment approaches.
Current harmful alcohol use increases risk of various health issues, including cancers and injuries. The study supports health strategies to reduce harm, especially in low-income countries.
A new meta-analysis found that being overweight or obese increases the risk of meningioma by 21% and 54%, respectively. Conversely, high physical activity was associated with a decreased risk of meningioma.
Researchers at Case Western Reserve University and Harvard University are developing a microfactory to produce a formula for joint cartilage. The project aims to identify key cues that steer stem cell behavior towards cartilage production, with the ultimate goal of engineering functional tissue.
Researchers successfully silenced genes in human cells to induce immunity against the parasitic disease caused by E. histolytica, which affects 50 million people worldwide. The study identified key genes involved in managing potassium flow into and out of human cells, paving the way for new drug targets.
Researchers found that concentrated beet juice increases muscle power in patients with heart failure by up to 13% within two hours, benefiting activities of daily living. The study suggests dietary nitrates may be a valuable strategy for improving quality of life in this population.
A multidisciplinary team is developing guidelines for the most effective antidepressant doses throughout pregnancy and postpartum, building on recent initiatives like CDC's Treating for Two and FDA's new labeling requirements.
A study by Harvard Medical School researchers found that women are nearly 13% less likely to be full professors than their male peers with identical age, experience, and research productivity. Despite efforts to increase equity, the proportion of women at this rank has remained unchanged since 1980.
A team of researchers from Michigan State University has manipulated vanadium dioxide to make it usable in small devices, allowing for smart antennas with tunable properties. This technology could enable applications such as switching between communication bands or precise microsurgery.
A new study from the University of Pennsylvania reveals that disruptions in splicing proteins cause facial and skin barrier defects in mice. The research highlights the importance of these genes in normal development, particularly in the formation of epithelial tissues.
A new study published in Environmental Research Letters has identified changes in the shape of rainfall across Europe, making it challenging to determine local climate change. In Scotland, researchers found that heavy rainfall days have increased by over 50%, leading to more intense rain events.
A highly detailed model of mouse brain connections may provide new insights into mental illnesses such as depression and schizophrenia. The study used diffusion MRI scans to create a 3D digital map of the brain's circuitry, exceeding previous resolution by 1,000 times.
A meta-analysis of 21 studies found pesticide exposure increases diabetes risk by 61%, with some pesticides linked to higher risks for type 2 diabetes. The study suggests environmental contaminants like pesticides may play a role in diabetes pathogenesis, but results require caution due to observational data.
A single gene in fruit flies, named 'bond', controls male pheromone production and affects fertility. It also influences the fertility of rival males, suggesting that males need a sense of competition to ensure reproductive success.
Researchers at York University have discovered that beta-blockers may prevent further cell death following a heart attack, potentially leading to better long-term patient outcomes. The study found that the protein complex MEF2 plays a key role in heart cell survival and gene expression.
The Solar and Heliospheric Observatory has discovered its 3,000th comet, thanks to a volunteer astronomer in Thailand. This milestone marks a significant achievement for SOHO's comet project, with over 200 comets found annually by citizen scientists.
A new study by NYU researchers found that 1.2% of individuals aged 13-34 reported use of a novel psychoactive substance, with males, whites, and older individuals being more likely to use these substances. The study also found high co-use rates with traditional drugs like LSD, cocaine, and ecstasy.
A new comparative effectiveness research study found that African Americans with high blood pressure have poorer cardiovascular outcomes when treated with ACE inhibitors compared to white patients. The study analyzed data from nearly 60,000 patients and found a significant racial disparity in the effectiveness of these drugs.
A study published in JAMA found that older patients with more medical conditions are at a higher risk of mortality and major postoperative complications after hip fracture surgery. In contrast, elective total hip replacement patients had lower risks of these outcomes.
Researchers found that genetic and lifestyle factors contribute to AMD in a synergistic way, increasing risk for women with heavy smoking and poor diet. Eating a healthy diet and getting regular exercise can lower AMD risk.
Researchers at IRB Barcelona have revived an old tissue transplant technique from 1935 to aid tumour growth studies in Drosophila melanogaster. The approach has been successfully reproduced and implemented by labs worldwide.
A new study found increasing support in the USA and Canada for smokefree laws in playgrounds, school grounds, and other areas. Most residents welcome these regulations, with majority support seen across various locations.
The Global Ecosystem Dynamics Investigation (GEDI) has successfully transitioned to Phase B, paving the way for the deployment of a laser-based instrument on the International Space Station. This mission aims to provide high-resolution measurements of Earth's forest vertical structure, enabling scientists to better understand the globa...
Salk scientists use ultrasonic waves to selectively activate brain, heart, muscle and other cells, offering an alternative to optogenetics for human therapeutics. The technique, dubbed sonogenetics, has the potential to noninvasively reach any tissue of interest in the body.
A new study could lead to a single drug that treats both diseases. The research focuses on the link between Abeta peptides and type 2 diabetes, offering hope for therapeutic advances.
A team of researchers has achieved an unprecedented 14% efficiency in solar hydrogen production, breaking a 17-year-old record. The breakthrough involves a patented photo-electrochemical process that enhances long-term stability and boosts energy output.
A new study identifies USP19 as a potential drug target for muscle wasting diseases in cancer patients, improving quality of life and longevity. The research team discovered that inhibiting the USP19 gene could protect against muscle wasting in mice models.
A University of Washington study reveals that young chum salmon thriving in Elliott Bay's restored beaches have access to a more diverse range of prey. This shift could provide a nutritional boost for the fish, but may also come at an energy cost as they adapt to changing food sources.
Researchers found that the sample's resistance changes nonlinearly with an increasing magnetic field, suggesting a liquid-to-gas-like transition. This discovery could lead to the creation of faster and more compact electronics using Mott transition.
Researchers at Kyoto University have created a lab-based human germ cell development model, revealing specific key elements and events that occur at the beginning of human life. This breakthrough provides insight into how epigenetic marks are erased during early germ cell development, shedding light on conditions such as infertility.
A large study of middle-aged Koreans reveals that both sedentary behavior and reduced physical activity contribute to the prevalence of NAFLD. The findings support increasing physical activity and reducing sitting time as crucial in reducing the risk of NAFLD.
A large US study confirms that tiny chemical particles in the air are linked to an increased risk of death from all causes and cardiovascular disease. Fine particles can be absorbed deep into the lungs and bloodstream, contributing to potentially fatal heart and lung diseases.
Researchers led by Caroline Chaboo explore the 'arms race' dynamics in leaf beetles, where tortoise beetles develop unique defenses against predators. The study aims to understand how this arms race drives evolution and generates biodiversity, shedding light on human morphology and behavior.
A randomized trial found that yoga improved physical health, pain, energy, mood, and daily activities in people with arthritis. The study also showed long-term improvements in physical function and walking speed.
Cancer Research UK scientists found that some cancer cells can survive gene damage caused by HDAC inhibitor drugs, triggering a 'survival' response. This mechanism rebalances tags and maintains normal gene activity, making it harder for the drug to kill cancer cells.
A new study found that mice lacking certain immune cells gained excess weight and developed metabolic abnormalities even on a standard diet. Removing these cells prevented weight gain and metabolic issues. The study indicates that immune cells may help control fat tissue's energy storage and reduce inflammation.
Researchers found that palmitic acid, a saturated fatty acid found in olive oil and meat, worsened inflammation in Crohn's disease. Omega-6 fatty acid, present in vegetable oils, actually reduced inflammation in the condition.
A study of 6467 English children found no link between limited access to gardens and increased childhood obesity risk. Parental education level and neighborhood disadvantage also played a role in determining obesity risk.
A new study reveals that solar activity affects the development of large-scale pressure systems in the Northern Hemisphere, influencing long-term climate predictions. The researchers found a time lag between solar irradiance and atmospheric pressure patterns, which can be used to improve predictability of decadal climate variability.
Research in Malawi and Zambia highlights the importance of considering local knowledge and beliefs when addressing climate change. In two rural communities, differing responses to changing climates were observed depending on co-existing traditional and Christian beliefs.
A new cloud-dew architecture offers a way to counteract cloud downtime and communication difficulties by providing a buffer between the local user and cloud servers. This lightweight local server retains a copy of the given user's data, making it available with or without an internet connection.
Entomologist Dr. George Poinar Jr. discovers a previously unknown flea genus and species in fossilized Dominican amber, characterized by unique features such as five-segmented maxillary palps. The discovery also reveals the presence of pathogenic microorganisms, including bacteria similar to plague-causing pathogens and trypanosomes.