Researchers at the Hebrew University of Jerusalem have developed a highly effective dual-layer coating that protects iron from rust with 99.6% efficiency. The breakthrough combines an ultra-thin molecular primer with a durable polymer layer, creating a strong and long-lasting barrier against corrosion.
Researchers found that indene-C60 diadduct (ICBA) suppresses charge recombination and improves open-circuit voltage in tin-based perovskite solar cells. This enhancement is attributed to the effective suppression of band bending at the interface between the tin-based perovskite and the electron transport layer.
Global soil nitrous acid emissions have increased from 1980 to 2016, contributing to a 2.5% annual rise in the global surface ozone mixing ratio. This can lead to overexposure of vegetation to ozone, affecting ecosystem balance and food crop production.
A new study found that personal care products like perfumes and unscented lotions disrupt the human oxidation field, a natural protective shield around the body. This disruption can lead to a decrease in ozone barrier strength, making people more vulnerable to indoor air pollutants.
Researchers at Rice University have developed a new method to fabricate ultrapure diamond films for quantum and electronic applications. By growing an extra layer of diamond on top of the substrate after ion implantation, they can bypass high-temperature annealing and generate higher-purity films.
A new MIT study reveals that climate change will make it harder to reduce ground-level ozone in certain regions, including eastern North America and Western Europe. In contrast, northeast Asia may see improvements in air quality with decreased nitrogen oxide emissions.
Personal care products like perfume and body lotion influence the human oxidation field indoors, reducing ozone reactivity and chemical cocktail formation. The study suggests these products can suppress indoor air chemistry, impacting human health.
A new study reveals that body lotion hinders the generation of key hydroxyl radical precursors, while ethanol in fragrances acts as a sink, reducing the human oxidation field. This finding has significant implications for indoor air chemistry and human health.
A NTU Singapore study found that robust air pollution control measures can prevent 36,000 ozone-related premature deaths annually in Southeast Asia by 2050. Implementing stringent emission reduction measures could drop annual deaths by 22,000 under a business-as-usual scenario.
A new study reveals that the negative effects of the ozone hole on the Southern Ocean's carbon uptake are reversible, but only if greenhouse gas emissions rapidly decrease. The study found that as the ozone hole heals, its influence on the ocean's carbon sink diminishes, while the influence of greenhouse gas emissions rises.
An international team has experimentally observed dynamic processes in a spin valve on the femtosecond scale, using the unique capabilities of BESSY II's femtoslicing station. The researchers characterized spin-polarized electron pulses and analyzed demagnetization dynamics in a ferrimagnetic layer.
The AcrOSS platform features a three-layer architecture to manage UAS traffic, improve pilots' situation awareness with augmented reality, and ensure safe integration into controlled and uncontrolled airspace. Experimental tests showed promising results, but improvements are needed for ergonomics and integration between components.
A recent study published in JAMA Network Open has found a possible link between higher ozone levels in early childhood and an increased risk of developing asthma. Children exposed to higher ozone levels in their first two years of life were significantly more likely to be diagnosed with asthma or wheezing at ages 4-6, but not at ages 8-9.
A cohort study found early-life ozone exposure was associated with increased asthma and wheeze outcomes at ages 4-6, but not at age 8-9. Regulating ozone exposure may help mitigate the significant public health burden of asthma among US children.
Researchers found that AGN radiation can have a paradoxically nurturing effect on life, especially when oxygen levels are present, allowing the planet's protective ozone layer to grow and shield it from radiation. This process can help ensure life's success, but its effects depend on how close the planet is to the source of radiation.
The KIT-led ASCCI measurement campaign is analyzing the effects of ozone and water vapor in the Arctic troposphere and stratosphere on climate change. The research focuses on understanding the causes and consequences of Arctic warming, including ozone depletion and air pollutant transport.
A new study suggests that violent supernovae caused at least two mass extinction events in Earth's history, including the late Devonian and Ordovician extinctions. Researchers believe a nearby supernova could have stripped the planet's atmosphere of ozone, sparking acid rain and exposing life to harmful ultraviolet radiation.
A new study reveals that rising methane emissions could significantly impact ozone recovery, particularly in polar regions. The research suggests a dual effect of methane, both contributing to global warming and affecting ozone levels.
A new study by MIT confirms the Antarctic ozone layer is healing, with high statistical confidence that reductions in CFCs are the primary cause. The research uses fingerprinting to isolate the anthropogenic signal and rule out natural variability.
Purdue University engineers have found that household products like air fresheners and wax melts can release nanoscale particles that penetrate deep into the lungs. These nanoparticles are formed when fragrances interact with ozone, potentially posing risks to respiratory health.
Research found that long-term exposure to air pollutants like PM2.5, NO2, and ozone increases hospital admissions for lower respiratory tract infections in adults, particularly among men and people over 65. The study used a large cohort of adults from Catalonia and found stronger associations in these vulnerable groups.
Researchers have discovered novel antiviral compounds from Antarctic fungus and developed effective methods to inactivate SARS-CoV-2 virus using UV-C light and ozone gas. Additionally, bleach and ethanol solutions have been found to remove over 99% of mpox virus, while a new class of quaternary phosphonium compounds has been identified...
Researchers found that brief ozone exposure reduces blood oxygen saturation, triggers hypoxia-related biomarkers, and increases arterial stiffness. Ozone pollution is a worldwide health issue, linked to increased risk of cardiovascular diseases.
China has achieved significant progress in reducing PM2.5 concentrations by 35.6% since 2015, while also increasing non-fossil energy consumption to 17.5%. However, rising ozone levels and extreme weather events pose new challenges, emphasizing the need for adaptive measures and stricter air quality standards.
A new Yale University-led study suggests that elevated marine iodine concentrations delayed the creation of a stable ozone layer, preventing complex life from evolving unimpeded. This delay may have contributed to the tardy emergence of land plants and animals on Earth.
A Yale-led study suggests that elevated marine iodine concentrations prevented a protective ozone shield from forming in the Earth's atmosphere, delaying the emergence of complex life on land. This delay led to unstable and low ozone levels persisting for hundreds of millions of years, exposing the planet to high fluxes of solar UVR.
The triple-layer solid polymer electrolyte battery developed by DGIST improves fire safety and lifespan, addressing structural limitations and dendrite issues common in conventional batteries. The battery retains about 87.9% of its performance after 1,000 charging cycles, demonstrating a notable improvement in durability.
A new study suggests that medical ozone therapy can effectively treat sepsis-induced acute lung injury by enhancing the clearance of neutrophil extracellular traps. This innovative approach could significantly improve survival rates and lung function in patients with limited treatment options. The researchers discovered that ozone ther...
Researchers have introduced a novel concept called hybrid-layer optical data storage (ODS) that uses high-orthogonality random meta-channels to encode data into both physical and virtual layers. This approach has shown promising results, achieving a storage density of 2.5 Tbit cm⁻³.
A new study found a strong link between pregnant mothers' ozone exposures and increases in the chances of babies developing intellectual disabilities. The research, published in the Journal of Exposure Science & Environmental Epidemiology, analyzed public health and air quality data from Utah's Wasatch Front.
Fine particulate matter (PM2.5) and ground-level ozone (O3) are major pollutants degrading China's urban air quality, with serious human health effects. Coordinating their control is central to improving air quality, according to scientists.
The study reveals that atomic resolution SE imaging can distinguish between surface atomic arrangements with high sensitivity, identifying honeycomb-like structures composed of molybdenum and sulfur atoms. The method's depth sensitivity is also demonstrated by the absorption or scattering of SEs from the second layer.
Research shows ozone gas reduces tropical forest growth by 5.1% on average, impacting carbon capture and global warming. This effect is stronger in some regions, including Asia's tropical forests, which lose 10.9% of new growth.
Researchers report progress in ozone monitoring from space, improving product accuracy and spatial resolution, essential for effective pollution control and air quality management.
A new study found that certain tree species in NYC, such as oaks and sweetgums, produce high levels of isoprene, which interacts with nitrogen oxides to form ground-level ozone. This could lead to increased respiratory problems if current efforts to reduce nitrogen oxide emissions are not accelerated.
MIT researchers detected a clear signal of human influence on upper tropospheric ozone trends, separate from climate noise. The study provides insights into specific human activities driving this trend.
The 2024 Olympic and Paralympic Games in Paris are likely to experience high levels of ozone and grass pollen, potentially affecting athletes' health. Background air quality monitoring data suggests that PM2.5 levels are below the WHO recommended threshold, but NO2 levels exceed the limit at some stations
A new computer software package, gam.hp R package, calculates individual R² values for predictors in GAMs based on the average shared variance concept. This allows for equitable distribution of shared R² among related predictors and provides a measure of each predictor's unique and shared contribution to the model's fit.
Research shows that oil and natural gas development in the Permian Basin contributes to high eight-hour ozone concentrations frequently exceeding EPA health standards during summer months. The study uses data from a 2019 field survey to confirm the impact of drilling, flaring, and other activities on ozone levels.
Researchers found that wildfire-induced aerosols can lead to both ozone depletion and increase at different atmospheric layers, with the middle stratosphere experiencing an increase in ozone concentrations. This complex interplay buffers approximately 40% of ozone depletion observed in the lower stratosphere.
A new study reveals that large wildfires can significantly impact the ozone layer through a 'smoke-charged vortex,' doubling aerosol burden in the middle stratosphere and buffering up to 40% of ozone depletion. This phenomenon highlights the need for continued research into climate change's effects on atmospheric chemistry.
The Tibetan Plateau's permafrost active layer has shown significant interdecadal changes since 2000, with a decrease in overall thickness and regional inconsistencies. Environmental factors such as temperature and precipitation significantly impact the active layer's transformation under global warming.
A new study suggests that using special fertilizers and crushed basalt rocks can reduce agricultural nitrous oxide emissions without harming the ozone layer. The research found a 25% reduction in N2O emissions, aligning with efforts to reach net-zero emissions while supporting increased food production.
A new study found that prenatal ozone exposure significantly raises BMI and weight-for-age Z scores in children, increasing the risk of obesity. The research suggests that stringent air quality regulations are needed to protect children's health and development.
A new study harnesses GNSS-R technology to accurately measure sea ice thickness, offering a vital tool for climate scientists and polar explorers. The three-layer model significantly enhances the precision of thickness estimation, making it applicable to ice thicknesses up to 1.1 meters.
Biogenic sources of VOCs dominate summertime air pollutant formation in Los Angeles, increasing with temperature. Temperature-dependent emissions drive ozone and secondary organic aerosol pollution, with roughly 60% formed through biogenic VOC emissions.
The launch of thousands of satellites may jeopardize the recovery of the ozone hole. Aluminum oxides, formed when old satellites burn up in Earth's atmosphere, destroy stratospheric ozone. A new study estimates that by 2027, every year will release around 912 metric tons of aluminum into space.
The study reveals a significant decline in hydrochlorofluorocarbons (HCFCs), potent greenhouse gases that contribute to climate change. HCFC emissions peaked in 2021 and have been decreasing since, with the US National Atmospheric and Oceanic Administration (NOAA) measuring a drop of less than 1% between 2021 and 2023.
A new study reveals significant declines in atmospheric levels of potent ozone-depleting substances and harmful greenhouse gases, confirming the success of the Montreal Protocol. The findings show a notable reduction in HCFCs, which are also contributing to global warming.
A new study finds that climate change will increase ozone pollution in the US by 2050, with potentially millions more people exposed to dangerously high levels. The study's findings suggest that current emissions reductions efforts may be less effective in meeting air quality standards.
A recent study by ISGlobal and partners reveals that imported ground-level ozone (O3) contributed to over 88% of all deaths attributable to O3 across 35 European countries. Most transboundary O3 came from hemispheric sources, accounting for 56.7% of total attributable mortality.
A new study suggests the D-layer may be a unique composition leftover from Earth's earliest days, potentially holding clues to the planet's formation. The D-layer is believed to contain iron-rich peroxide with strong affinity for iron, which could explain its heterogeneous structures.
A novel conceptual framework designs four functional layers to optimize conditions for horticultural growth in plastic-greenhouse environments. The soil profile includes a mulch layer, root-carbon layer, soil-carbon mix layer, and water conservation layer tailored to address specific challenges faced by plants.
The University of Washington's STRIVE project aims to understand the troposphere and stratosphere, where the ozone layer resides, and their interface. This will help monitor changes in the ozone layer, air quality, and climate processes.
A new study led by Dr. Assaf Hochman uncovers ozone's impact on atmospheric stability and temperature distribution on Proxima Centauri b, a habitable exoplanet tantalizingly close to Earth's solar system. The research highlights the importance of considering interactive ozone in understanding Earth-like exoplanets.
Researchers at Pitt and Drexel have discovered that electrocatalysts can promote chemical reactions that generate ozone in water through corrosion and solution phase reactions. This breakthrough could lead to the development of more efficient and sustainable electrochemical ozone production technologies.
Research reveals that the East Asian Monsoon delivers high levels of pollutants to the upper atmosphere, where they can influence the climate system. The findings raise questions about the pace of ozone layer recovery and highlight the need for further research into the implications of these pollutants.
Researchers found that elevated ozone levels remove mating barriers between different fly species, leading to increased hybridization and sterile offspring. The study used four species of Drosophila and found that ozone concentrations often measured on hot days can cause flies to mate with closely related species.
Elevated surface ozone concentrations in China pose a significant threat to human health and crop yields. A study found that extreme heat exacerbates ozone pollution through complex chemical and physical processes, particularly during stagnant weather conditions.
The study found that secondary eyewall formation occurs mainly in upper-layer vertical wind shear at low shear height and fake concentric eyewalls are present in lower-layer VWS at high shear height. Broad stratiform clouds were located in the downwind sector before SEF, leading to active convection on the inner side of the clouds.