A long-term study has found mercury levels impacting common loons' health, reproductive success, and behavior. Loons with high mercury levels spend less time at nests and produce fewer young, while also experiencing sluggishness and flight issues.
A study on Mercury's gravity reveals a comet-like tail extending over 2.5 million kilometers away from the planet. Meanwhile, research finds that rising carbon dioxide levels are linked to increased ground-level ozone concentrations, harming lung function and respiratory systems.
The 5th annual Keys bonefish population census has shown a fairly steady population of approximately 364,000 bonefish, indicating reliable research methods. The study also highlights the importance of understanding the bonefish population for environmental conservation and sustainable tourism in Florida.
A Stanford study found that specially programmed PDAs can prod middle-aged and older Americans into increasing their physical activity levels by approximately five hours each week. The devices provided reminders and feedback to help participants set goals and track progress, leading to a significant increase in exercise frequency.
The team used four telescopes to capture the length and breadth of Mercury's tail, which can extend up to 1.5 million miles from the planet. This new record sets a new domain for understanding Mercury's influence within the Solar System.
Infants' bodies expel thimerosal mercury much faster than originally believed, suggesting no toxic build-up occurs. Researchers found nearly undetectable levels in urine samples, with most elimination via stools.
A study published in the Journal of the American Dental Association found that dental amalgam fillings do not affect children's brain development or neurological status. The researchers studied 507 Portuguese children and found no differences between those who received amalgam and resin-based composite fillings.
Dental amalgam's use is being restricted due to mercury concerns, but scientific evidence suggests a link between the two is unclear. The move may remove a viable treatment option for dentists and patients worldwide.
MESSENGER's Wide Angle Camera captures high-resolution color views of Mercury, showcasing subtle variations indicative of different rock types and mineral compositions. The images provide valuable information for understanding Mercury's formation and evolution.
BepiColombo, a joint ESA-JAXA mission, will make the most comprehensive study of Mercury ever, revealing its composition, magnetosphere, and origin. The mission consists of two spacecraft: MPO and MMO, carrying instruments to study the planet's surface and internal structure.
The MESSENGER spacecraft has captured high-resolution images of Mercury's surface, revealing detailed features such as the Vivaldi crater and ancient depressions. The images show craters as small as 1 kilometer in diameter, providing new insights into the planet's geology.
The MESSENGER spacecraft completed its first flyby of Mercury, collecting scientific data and imagery of the planet's surface. The mission will provide new insights into Mercury's previously unseen surface features.
Brown students and faculty will analyze data from MESSENGER spacecraft, exploring Mercury's surface composition, geological history, and magnetic field
The MESSENGER spacecraft will make its first flyby of Mercury on January 14, 2008, capturing images of large portions of the planet never seen before. The encounter will provide critical gravity assist needed to keep the spacecraft on track for its orbit insertion around Mercury.
Scientists at CU-Boulder's Laboratory for Atmospheric and Space Physics are leading a team that will make measurements of Mercury's surface and tenuous atmosphere using the MESSENGER spacecraft. The mission will provide new insights into the composition, formation, and evolution of Mercury.
Researchers have validated the association between CNTNAP2 and autistic behaviors in the general population, validating an earlier finding. This discovery highlights the potential of small science approaches and may lead to early diagnostic tests for autism.
Researchers found potentially dangerous levels of mercury and arsenic in Lake Baiyangdian, a source of drinking water for thousands. The study highlights the need to apply US environmental research to China's rapidly industrializing environment.
The study found that autism cases continued to increase in California despite the elimination of thimerosal from most childhood vaccines. Exposure to thimerosal was estimated to have contributed to the upswing in reported cases, but this link was not proven by the study.
A study found that nearly three-fourths of American adults with conditions increasing cardiovascular disease risk also have hypertension. Despite treatment, only one-third to one-half of these individuals reach their blood pressure goals.
Researchers at the University of Wisconsin-Madison have found that dissolved organic material in water increases the biological risk of mercury and may serve as an environmental source. The study's findings suggest that understanding the factors controlling methylation is critical for developing ecosystem-level management strategies.
Researchers from UCL and EPA discover that brown water color change is indicative of reduced acid rain, leading to more organic matter in rivers. The study's findings suggest that waters are returning to a pre-industrial state, but further research is needed on the implications for freshwaters.
A study by the University of Pittsburgh found that commercially sold white bass contained higher levels of mercury, arsenic, and selenium than those caught near former industrial areas. The pollutants were linked to coal-burning pollution through air emissions and water pollution.
Researchers at the University of Pittsburgh Graduate School of Public Health found higher-than-acceptable levels of mercury and selenium in channel catfish from areas near a coal-fired power plant. Ingesting these fish can increase the risk of neurological disorders, birth defects, and developmental problems.
Zebrafish embryos exposed to 11 common pollutants showed distinct gene-expression profiles, allowing researchers to identify individual toxins. The new method offers a potential solution for evaluating developmental toxicity of pharmaceuticals and industrial chemicals.
Researchers at the University of Illinois have discovered that uranium's U-235 to U-238 isotope ratio varies significantly in Earth materials. The new findings are consistent with other high-mass isotope systems and may represent the first evidence of a nuclear field shift in nature.
A new study suggests that urban areas and roadways could be major contributors to nitrate pollution, which can harm aquatic ecosystems and human health. The research found that stationary sources, such as power plants, are the primary source of nitrate in urban areas.
A new study estimates that US forest fires release about 30% of the nation's total mercury emissions, primarily affecting the environment and human health. The Southeast region emits the most mercury, followed by Alaska and California, highlighting the need for better protection measures.
A team of astronomers at UC Berkeley reports a nearly global cloud cover and morning drizzle of methane over Titan's western foothills. The drizzle may be caused by processes similar to those on Earth, with moisture-laden clouds pushed upslope by winds condensing to form a coastal rain.
Scientists at NRL capture first images of a comet colliding with a solar hurricane, revealing the detachment of the comet's tail due to coronal mass ejection. The event is triggered by magnetic reconnection, releasing energy and detaching the plasma tail.
A NASA satellite has captured the first-ever images of a comet's plasma tail detaching from Encke's comet due to a coronal mass ejection. The event was triggered by magnetic reconnection between the comet's and solar wind fields, releasing a burst of energy that detached the tail.
A study of California adults with high blood pressure found that nearly half do not take medication, despite seeing a doctor. Regular doctor visits significantly improve medication adherence in those who do take pills.
A three-year study published in the Proceedings of the National Academy of Sciences found that an increase in mercury loading resulted in a significant increase in methylmercury production and accumulation in fish. The study suggests that reducing atmospheric mercury emissions can lead to lower mercury levels in fish within a few years.
A groundbreaking Canada-US study proves a direct link between atmospheric mercury emissions and mercury in fish, with implications for global environmental protection. The research suggests that reducing mercury emissions can lead to lower levels of mercury in fish within a decade.
Researchers demonstrated a direct link between mercury concentrations in fish and changes in atmospheric deposition, revealing rapid responses over the first three years of study. The study's results show the benefits of regulating mercury emissions and near-term effectiveness of emission reductions.
A comprehensive study is underway to examine the impact of prenatal exposure to mercury from dental fillings on neurological development. The researchers will collect hair samples from children in the Seychelles who were exposed to methyl mercury through their mothers' seafood consumption and dental work.
Research found that glaucoma patients with fluctuating eye pressure have worse visual fields after three months and 13 years, highlighting the importance of reducing long-term IOP fluctuations. The study suggests that 'IOP modulation' rather than reduction is a more effective treatment approach for stabilizing vision.
Peter J. Adams, an associate professor at Carnegie Mellon University, has been awarded a $900,000 research grant from the EPA to develop integrated models simulating air pollution from local to global scales. The study aims to improve understanding of particulate matter and its health impacts.
Scientists have discovered a new technique to clean contaminated water using porous semiconducting aerogels, which can also remove impurities from hydrogen gas. The unique structure of the gels allows researchers to 'tune' their pore sizes to separate poisons from the hydrogen stream.
Infants born to mothers who smoked during pregnancy had substantially higher systolic blood pressures compared to those whose mothers didn't smoke and weren't exposed to smoke. The study, which controlled for various factors, found a direct association between maternal smoking and newborn systolic blood pressure.
A quarter of NYC adult New Yorkers have elevated blood mercury levels, with higher rates among Asian women and those consuming more fish. Pregnant and breastfeeding women, as well as young children, are advised to limit or avoid high-mercury fish to minimize health risks.
Astronomers have detected water vapor in the atmosphere of HD 189733b, a gas giant 63 light-years away. The presence of water vapour suggests that the planet may have had liquid water on its surface at some point, increasing hopes for detecting life on other rocky planets.
A large national study found that selenium supplements may increase the risk of developing type 2 diabetes, while a leading researcher advises against taking excessive selenium supplements. The study analyzed data from over 1,200 participants and found higher risks among those with higher blood selenium levels at the start of the study.
The BBVA Foundation is funding 12 research projects in Ecology and Conservation Biology, focusing on climate change's impact on shorebird populations and mercury pollution in biodiversity hotspots. The projects also include studies on noise pollution's effect on tropical birds and the conservation status of the monito del monte marsupial.
Patients who experience a significant drop in blood pressure during bypass surgery may be at risk for early difficulties in thinking, learning, and memory. Those with higher pre-surgery blood pressure levels were more likely to have decreased cognitive scores after the procedure.
Researchers found a strong association between high arterial pulse pressure and high-tension open-angle glaucoma. Individuals with high pulse pressure were more likely to develop the condition, possibly due to increased carotid arterial stiffness.
Researchers will make measurements of thick clouds and surface of Venus, comparing atmosphere with past data, using MASCS instrument. The mission also tests instrument performance before Mercury arrival and explores mineral composition, gas distribution, and water-ice at Mercury's poles.
Mercury has been shown to activate phospholipase D enzyme in cells lining blood vessels, causing damage and contributing to vascular disorders. Chelation therapy and antioxidants have been found to suppress this activity, suggesting potential preventive measures against mercury-induced cardiovascular disease.
Substituting soy nuts for protein sources improves blood pressure and cholesterol levels in postmenopausal women. The study found significant reductions in systolic and diastolic blood pressure, as well as decreased 'bad' cholesterol levels, in women with high blood pressure.
A recent study published in the American Journal of Medical Genetics found no association between Rh immune globulin preserved with thimerosal and an increased risk of autism. Researchers investigated the exposure to thimerosal during pregnancies resulting in children diagnosed with autism and found no correlation.
A recent study published in American Journal of Medical Genetics Part A found no causal link between Rh immune globulin (preserved with thimerosal) exposure before birth and the development of autism. The study included over 200 mothers of children diagnosed with autism, revealing that Rh negative status and pregnancies with thimerosal...
Researchers have found strong evidence that Mercury's core is molten, a discovery that could explain the planet's weak magnetic field. The study used a novel technique to detect tiny twists in Mercury's spin, which occurred as the sun's gravity exerted alternating torques on the planet.
Scientists at Northwestern University developed a simple method to detect mercury using gold nanoparticles and DNA. The technique can identify mercury levels in water samples by visual inspection, offering a faster and more convenient alternative to existing detection methods.
Researchers found that succimer chelation therapy improved postural balance by 6 percent and moving tasks by 19 percent in lead-exposed children. The therapy was effective in reducing lead levels in the blood but also showed benefits on neuromotor abilities.
Dartmouth-led research reveals that animals fed nutritious food have lower concentrations of methylmercury, a neurotoxin that can accumulate to hazardous levels. This discovery suggests ways to slow methylmercury's passage up the food chain to fish, potentially reducing its toxicity.
Researchers are developing alternative culture methods to reduce the use of live fish in safety testing, reducing animal experimentation. Dr Richard Handy's perfusion method allows for the controlled exposure of fish organs to toxins, providing insights into toxicity and organ function.
Researchers have found a new class of gold catalysts that can act as both an acceptor and a donor of electrons in chemical reactions. This unique property allows gold to participate in reactions at carbon-carbon bonds, leading to the creation of novel organic molecules.
A new study by Woods Hole Oceanographic Institution researchers has found significant amounts of dissolved mercury entering coastal waters through groundwater, contrary to previous assumptions. The discovery has implications for understanding the environmental impact of mercury pollution and its effects on marine ecosystems.
A worldwide general warning is warranted due to the significant health risks posed by mercury-contaminated fish, particularly for children and women of childbearing age. The Madison Declaration on Mercury Pollution highlights the need for effective national and international policies to combat this global problem.
Scientists at UTMB and University of Michigan develop direct electrical link between nerve cells and photovoltaic nanoparticle films, enabling light-stimulated nerve-signaling devices. This breakthrough could lead to creation of a nanoparticle-based artificial retina with unprecedented flexibility, compactness, and reliability.
Scientists have obtained a spectrum of a planet orbiting another star, revealing the presence of silicate dust in its atmosphere. The discovery was made using NASA's Spitzer Space Telescope and represents a significant advance in extrasolar planetary science.