A new study suggests that pairing iron and manganese modified biochar with carefully chosen irrigation strategies can reduce cadmium and mercury buildup in rice. FMBC helped stabilize both metals while reshaping microbial processes to control methylmercury formation.
Colorado State University researchers propose strategies to immobilize toxic metals and prevent plant uptake in rice grains, protecting food security and public health. The approach aims to reduce arsenic, cadmium, and mercury contamination in rice paddies using nanomaterials and chemical reactions.
A new study reveals that thiol-modified biochar can maintain long-term mercury immobilization in contaminated soils even when subjected to repeated drying and rewetting. The research found that TMB strongly reduced mercury mobility, lowered bioavailable mercury, and redistributed mercury into less available forms.
Researchers found that thiol-modified biochar reduces mercury mobility by up to 80% in soils exposed to dry-wet cycles. The material promotes natural weathering processes, traps mercury in stable forms, and alters the soil microbial community, creating a resilient ecosystem.
Researchers use a meteorite resembling Mercury's chemical makeup to recreate the planet's conditions, finding that sulfur lowers the temperature at which magma begins to crystallize. This process reveals how Mercury's low iron content and high sulfur levels shape its interior evolution and crust formation.
A recent study analyzed blood samples from over 11,000 seabirds worldwide to estimate oceanic mercury distribution. The analysis found that mercury levels vary according to prey trophic level, bird body weight, and foraging depth, with distinct regional patterns of contamination.
A study analyzing dragonfly larvae found moderate to high-risk mercury sites across 30 US National Wildlife Refuges, posing threats to fish, wildlife, and human health. The research provides baseline measurements for tracking change and informs future management actions to reduce mercury bioaccumulation.
Researchers found that microbes can use mercury sulfide nanominerals as an energy source, releasing volatile elemental mercury into the air. The study estimates that this process could release hundreds of tons of mercury per year, comparable to cement production.
A SFU study found that warmer temperatures in the Arctic can cause malnutrition in seals, intensifying risks to Inuit food security and northern ecosystems. The research analyzed samples from 38 Arctic ringed seals and found high levels of persistent contaminants such as PCBs and mercury.
Researchers using ESA's Cheops satellite find a small rocky planet in LHS 1903 system, which defies conventional understanding of planetary order and formation. The discovery sparks renewed interest in exploring alternative explanations for this unusual system.
Research found that widespread contaminants like mercury and certain PFAS compounds affect the function of mitochondria in wild seabirds, potentially undermining fitness. The study measured pollutant levels and mitochondrial function in Scopoli's shearwaters and connected diet to exposure through stable isotopes.
A global synthesis found that warming is driving faster microbial metabolism, increasing the breakdown of organic matter and greenhouse gas release. Thawing soils also free contaminants like mercury, complicating climate projections.
Research finds that children with higher levels of copper in their bodies are 16 times more likely to be diagnosed with ADHD. Exposure to heavy metals like lead and mercury also increases the risk of developing the disorder or worsening symptoms.
Researchers from Kanazawa University and partners have discovered chorus emissions in Mercury's magnetosphere, exhibiting similar chirping frequency changes to Earth's magnetosphere. This breakthrough provides the first reliable evidence of intense electron activity at Mercury, expanding our knowledge of planetary space environments.
A new study by the University of Waterloo found that consuming local waterfowl may lead to higher levels of mercury and omega-3 fatty acids in Indigenous communities. Researchers suggest including waterfowl in monitoring programs to balance nutrition and risk reduction.
Researchers discovered that plants and phytoplankton can rapidly convert methylmercury into less toxic inorganic mercury, which is released back into the atmosphere. This natural process offers a new way to limit methylmercury entry into food chains and improve global food safety.
A recent study reveals that mercury pollution from artisanal and small-scale gold mining directly contaminates food crops through the air, not soil. This poses a significant risk to human health and food security in Africa, where millions of people depend on local agriculture for survival.
Climate-driven oxygen loss can trigger expansion of microorganisms producing methylmercury, a potent neurotoxin. Ancient DNA analysis shows similar processes occurred in the past; modern warming oceans risk similar conditions.
New research from Griffith University finds that ceiling fans are not effective in fully alleviating heat-induced physiological strain for vulnerable populations. The study recommends using ceiling fans early during heat exposure and combining them with air conditioning to minimize health risks.
Researchers at NYU Tandon School of Engineering have created a solution to the environmental regulations banning toxic heavy metals in infrared detectors. They use colloidal quantum dots to detect infrared light without relying on mercury or other restricted materials. The resulting devices show remarkable performance, responding to in...
A recent study suggests that a near-collision between two protoplanets of similar masses could have formed Mercury, contradicting the widely accepted theory. The researchers used smoothed particle hydrodynamics to simulate this event and found that it can reproduce Mercury's composition with high precision.
Researchers discovered that Atlantic Bluefin tuna primarily rely on the spleen to break down methylmercury, converting it into stable, non-toxic compounds. This process involves selenium binding mercury into complexes that are far less toxic.
Researchers have found that Black Mambas accumulate heavy metals such as lead and mercury in their scales. This allows them to serve as a natural indicator of environmental pollution levels. By analyzing scale clippings from these snakes, scientists can accurately measure spatial patterns of pollution without harming the snakes.
Researchers tracked the ultra-hot Jupiter TOI-2109b's orbital decay to understand how stars dissipate energy. The study found three possible fates for the planet: being torn apart by tidal forces, plunging into its star, or having its gaseous envelope stripped away.
A new nutritional epigenetics study protocol aims to reduce lead and mercury exposures in pregnant women to prevent childhood autism and ADHD. The protocol provides a valid method for measuring changes in ultra-processed food intake and diet, which may impact child neurodevelopment.
Researchers found high mercury levels in fish and shellfish consumed by lagoon residents, leading to systemic oxidative stress and metabolic alterations. The study's findings suggest a link between mercury contamination and chronic diseases like diabetes and hypertension.
Researchers developed a five-dimensional Langevin model to accurately predict fission fragment distributions and kinetic energies in medium-mass mercury isotopes. The model captures unusual 'double-humped' fragment mass distribution observed in mercury-180, providing new insights into nuclear shell effects.
New research from Tulane University finds that global riverine mercury pollution has more than doubled since the pre-industrial era, with primary drivers including wastewater discharge, soil erosion, and industrial activities. This increase poses significant health risks to humans and wildlife through consumption of contaminated fish.
Research reveals that Alaska wolves consuming sea otters have unprecedented mercury levels, potentially driven by climate change and coastal ecosystem changes. The study, led by University of Calgary ecotoxicology expert Ben Barst, found higher mercury concentrations in wolves from Pleasant Island compared to mainland Alaskan wolves.
Researchers found that sulfur runoff can dramatically increase methylmercury concentrations in fish up to 10 million times greater than the waters they lived in. This poses a significant risk to human health and wildlife due to methylmercury's neurotoxic effects.
Researchers found that atmospheric mercury levels have decreased significantly due to reduced human-caused emissions, mainly attributed to the Minamata Convention. The study also revealed that soil emissions now make up a larger fraction of total mercury emissions, with re-emissions from soil posing a future challenge.
Researchers engineered a human gut bacterium to detoxify methylmercury, reducing its levels in the intestine, brain, and liver of mice fed a diet rich in fish. The study suggests that a probiotic could one day increase the benefits of eating fish, making it safer for people to consume seafood.
Scientists have discovered a planet with a comet-like tail, shedding surface minerals and evaporating away due to its close proximity to its star. The planet is estimated to disintegrate in about 1 million to 2 million years, leaving behind a long and dusty tail.
Researchers at Cornell University have developed a cost-effective way to track atmospheric mercury using wild fig tree rings in the Peruvian Amazon. This method offers a potential solution for understanding mercury spread and impact on ecosystems.
Researchers from Rutgers University mapped mercury contamination in penguins of the Southern Ocean, revealing variations in mercury accumulation among different species. The study found that Adelie and gentoo penguins had low mercury levels, while chinstrap penguins showed significantly higher exposure due to their migration patterns.
Researchers found that Ficus insipida tree cores can be used to characterize spatial and potentially temporal mercury emissions from artisanal gold mining. Tree rings showed higher mercury concentrations near mining sites, indicating a potential network of biomonitoring.
A new study by Desert Research Institute reveals higher levels of mercury and metal contaminants in Rocky Mountain snow, particularly in the northern part of the range. The research, led by Monica Arienzo, found that winter storms carrying snow from mines in the Pacific Northwest and Idaho brought these contaminants to the region.
Researchers have developed a mercury-free method to isolate lithium-6, essential for producing nuclear fusion fuel. The new method uses zeta-vanadium oxide and achieves enrichment rates comparable to the banned COLEX process, paving the way for unlocking nuclear fusion as a sustainable energy source.
Australian scientists engineer fish and flies to break down toxic methylmercury into a less harmful gas, offering a new solution to environmental pollution. The research could lead to the creation of wildlife that protects both human health and the environment.
The NRL's Mercury Pulsed Power Facility has enabled significant advancements in flash x-ray radiography and nuclear material detection. The facility has been used to develop advanced flash radiography sources and detectors for the Department of Energy and Department of Defense.
Researchers at Chalmers University of Technology have developed a novel approach to packaging canned tuna, using a water-based solution of amino acid cysteine, which removes up to 35% of accumulated mercury. This technology has the potential to improve food safety and reduce human exposure to mercury via food.
A study published in One Earth found that smaller fish species are more nutritious, lower in mercury, and less susceptible to overfishing. This discovery has implications for biodiversity conservation and public health worldwide.
Research integrating natural archive data and modelled atmospheric mercury deposition reveals ecosystem responses to Hg input. Ecosystems like lake sediments exhibit trends similar to atmospheric Hg deposition, while ice and marine sediments show less pronounced responses.
Researchers at ESRF found a second demethylation pathway for toxic methylmercury in Emperor penguins, involving the formation of a Hg-dithiolate complex. This new mechanism reduces toxicological consequences as long as there is sufficient selenium.
Research reveals two unique mercury accumulation patterns in Qinghai-Tibet Plateau wetlands, driven by climate change and human impact. The study found a 'Surface Peak' in monsoon-controlled regions and a 'Subsurface Peak' in westerly-controlled regions, highlighting the need for ecological sustainability efforts.
Scientists at SLAC National Accelerator Laboratory have identified S-adenosyl-L-methionine as the unexpected donor of methyl groups in mercury transformation. The discovery could aid in developing effective environmental remediation strategies to address methylmercury poisoning, which can cause severe neurological damage.
China's atmospheric gaseous elemental mercury concentrations decreased significantly over a decade, with a 38.6% decline from 2013 to 2022. The primary driver of this decline was the reduction in domestic anthropogenic emissions, largely due to air pollution control measures.
Research shows nanomaterials can blunt heavy metal contamination's effects while increasing crop yields and nutrient content. Nanonutrients reduce pollution's impact by 38%, enhancing soil fertility, leading to improved crops.
Researchers analyzed atmospheric mercury concentrations and found a 10% decline between 2005 and 2020, contrary to global inventories that indicate an increase. The study suggests that human activity-driven emissions are driving the trend, but limitations in data and scientific understanding remain.
Industrial fishing practices in tropical and subtropical waters release high levels of methylmercury into the ocean. The majority of this mercury is found in large pelagic fish like tuna, which are then consumed by humans. This can lead to developmental delays in children and impaired cardiovascular health in adults.
The ESA Hera mission is set to launch in just under a month, with representatives discussing the mission's expectations and current status. The BepiColombo Mission to Mercury is also being updated following its successful flyby, with insights into previous flybys and plans for the remainder of the mission.
Researchers at the University of Delaware found that flooded rice fields contain higher amounts of arsenic and lower amounts of cadmium. The drier conditions lead to lower arsenic and higher cadmium levels. This study provides potential guidance for reducing toxic metals in foods typically eaten by infants and children.
Researchers at USC Dornsife introduce a new method to measure mercury released from permafrost, estimating the total amount awaiting release. The study finds that sediment samples provide a reliable measure of mercury content and offer deeper insight into the permafrost's hidden dangers.
A new study estimates that soil stores substantially more mercury than previously thought, with climate change potentially adding even more. The researchers predict that as temperatures increase, vegetation growth will promote the deposition of mercury in the soil, outweighing current control schemes.
A team of researchers developed advanced microfluidic sensor arrays that can simultaneously visualize and quantify multiple heavy metal ions in environmental water in real-time. The sensors use fluorescent probes to detect mercury, lead, chromium, and copper, providing a faster and more accurate way to ensure water safety.
Researchers found enriched levels of trace elements, including tungsten and gold, on shards from the basement's alchemical laboratory. The study provides insight into the substances used by Tycho Brahe in his experiments.
A new study reveals surprising findings about mercury pollution patterns in ecosystems, where it comes from and how it moves vary significantly. Dragonfly larvae are found to be a cost-effective indicator of mercury contamination in nearly every aquatic habitat, providing valuable insights for resource management decisions.
Researchers have successfully developed mercury selenide and cadmium selenide nanocrystals that absorb and emit in the infrared spectrum, retaining desired properties of their parent CdSe nanocrystals. This breakthrough technology has potential to revolutionize molecular probing for imaging in biological systems.
Researchers developed a new model to assess the risks and benefits of fish consumption during pregnancy. The model considers average mercury content in consumed fish, indicating that low-mercury fish intake is beneficial for neurodevelopment, while high-mercury fish consumption is detrimental.