Articles tagged with Water
A case report highlights the risks of water intoxication in patients with urinary tract infections. Doctors recommend reevaluating hydration advice due to a lack of evidence, citing a high mortality rate for hyponatraemia.
Researchers at Ohio State University have developed lightweight, flexible metal foil-based LEDs for portable ultraviolet light purification of drinking water and sterilization of medical equipment. This technology has the potential to make safe drinking water accessible in remote areas.
A new study from the University of Delaware has found that people prefer to invest in conservation, such as protecting key areas of a watershed, over traditional water treatment plants. Participants in the field experiment were more willing to donate to conservation causes than drinking water utilities.
A Monash University study revealed a 'swallowing inhibition' mechanism in the human body to regulate fluid intake and prevent over-drinking. The research showed that drinking too much water can cause potentially fatal water intoxication, highlighting the importance of listening to thirst cues rather than following an elaborate schedule.
A new study shows that dramatic environmental changes in Lake Malawi's water levels and clarity likely drove the diversification of hundreds of cichlid species. The researchers found alternating periods of deep and shallow water, which created new habitats for fish to adapt into.
A study in Kenya found that a simple voucher system can significantly reduce health product wastage without a significant decrease in usage. The system was more effective than charging money or free distribution in screening out those who would not use the products.
A study published in Geophysical Research Letters reveals that slower snowmelt in the western US is reducing streamflows and impacting downstream water availability. The research found that areas with significant snowfall are most sensitive to changes in snowmelt rates, with some regions experiencing more significant decreases in strea...
A global study found that one-third of large cities spend 50% more on water treatment costs due to damaged watersheds, with a total cost exceeding $100 billion US. Cities can protect their drinking water by planning for sustainable development and investing in urban source watersheds.
Recent testing indicates that Flint drinking water quality is improving, with decreasing levels of DNA markers for Legionella. However, pathogenic forms of the bacteria were still culturable at some sampling points, highlighting the need for continued vigilance.
David W. Schindler, renowned limnologist, receives the SETAC Rachel Carson Award for his work on laundry detergent phosphates and eutrophication. His research has led to policy changes worldwide.
A Duke University study found coal ash ponds in five Southeastern US states consistently contaminate nearby surface waters and groundwater with toxic heavy metals. The study also suggests that removing the ponds may not be enough to address ongoing subsurface contamination.
A simple paper sheet can remove resistant viruses from water, improving access to safe drinking water for millions. The mille-feuille filter uses cellulose nanofibers and has a unique layered internal architecture.
The US lead poisoning crisis worsens as unknown communities are left exposed to tainted water. Inadequate funding may not alleviate damage done in the past.
A new study found that drinking water from private wells, especially those established before the 1950s, may contribute to elevated bladder cancer risk in Maine, New Hampshire, and Vermont. The researchers estimated that increasing cumulative arsenic exposure was associated with an increased risk of bladder cancer.
A Duke University study found high levels of contaminants in brine-laden wastewater from fracking spills, exceeding federal drinking water guidelines. Soil samples contained higher levels of radioactivity downstream from spill sites, suggesting radium builds up in the environment.
Aging lead pipes pose health risks across the US, with federal funding called for to address concerns sparked by the Flint water crisis. Scientists recommend replacing deteriorating infrastructure to prevent lead leaching into drinking water supplies.
Researchers create a quantum simulator to study novel phase transitions resulting from energetic three-way battles between interaction energy, motional energy and long-range interaction.
A new study finds that nitrogen fertilizer applied to fields today will pollute water for decades, increasing the risk of blue baby syndrome and other serious health concerns. The researchers discovered that nitrogen is building up in soils, creating a long-term source of nitrate pollution in ground and surface waters.
A Dartmouth-led study found that low levels of arsenic in pregnant women's drinking water and food may be related to decreased head circumference at birth. The study also linked arsenic exposure to lower birth weight and birth length, with associations varying by mother's pre-pregnancy BMI and infant sex.
The use of residual disinfectants in drinking water has been compared between Western European countries, the U.S., and waterborne outbreak data. The Netherlands has the lowest risk of waterborne disease despite no residual disinfectant use due to newer pipe infrastructure.
The top 5 finalists of the Green and Sustainable Chemistry Challenge were selected from almost 500 submissions worldwide. The projects aim to provide environmentally friendly processes, products, and resources for developing countries. The winning project will receive €50,000, while the second prize winner will get €25,000.
Researchers at Silent Spring Institute found 27 unregulated contaminants in private well water samples on Cape Cod, including pharmaceuticals and flame retardants. The study suggests that backyard septic systems are likely the source of contamination, which poses health risks to 44 million Americans relying on private wells.
The study found that intestinal parasites like whipworm and roundworm did not decrease in prevalence during the Roman Period, but instead increased. The Roman public baths may have actually helped spread these parasites due to infrequent water changes and scum buildup.
A study found that ultrasonic humidifiers emit aerosols with dissolved contaminants, including minerals and metals, which are 90% respirable. The quality of the water source affects the health consequences of inhaling these contaminants.
A new study by Indiana University researchers reveals that government entities are less likely to comply with certain federal environmental regulations than similar entities owned by private companies. Publicly owned facilities are more likely to violate standards and face lower consequences for non-compliance.
A global team of experts aims to mitigate the spread of antibiotic-resistant organisms through contaminated water. The researchers focus on understanding how wastewater treatment processes affect resistance dissemination and develop novel approaches to stop it.
A bioelectronic nose that mimics the human nose can detect traces of bacteria in water by smelling it, without complex equipment. The sensor is sensitive to low levels of contamination, making it more useful than existing methods.
A recent study found that drinking less alcohol is the most effective way to avoid hangovers, contrary to popular claims that eating water or consuming hydrating drinks can prevent them. Researchers surveyed over 1,300 students and found no correlation between hydration and hangover severity.
Researchers at the University of Birmingham found that drinking 500ml of water 30 minutes before main meals led to significant weight loss in obese adults. Participants who preloaded with water lost an average of 1.3kg over 12 weeks, compared to 0.8kg in those who did not.
A study by the National Institutes of Health found that low-level arsenic exposure before birth is associated with early puberty and obesity in female mice. The researchers exposed pregnant mice to low levels of arsenic through drinking water and observed significant weight gain and premature onset of puberty in the offspring.
A new method using nanotechnology-based paper pages can eliminate water-borne bacteria, making drinking water safe for millions. The Drinkable Book, developed by Dr. Theresa Dankovich, uses metal nanoparticles to purify up to 26 gallons of water per page.
A recent study found that galvanized steel pipes can release high levels of lead into drinking water, with concentrations reaching up to 172 µg/L. Copper piping installed upstream can worsen lead release from the zinc coating, posing a significant risk to public health.
Research reveals that wastewater discharge concentrations of cocaine, morphine, and oxycodone remain relatively consistent downstream, indicating ineffective removal by treatment plants. The findings emphasize the importance of improving wastewater treatment to protect potable water sources.
A real-life trial in urban Bangladesh shows that oral cholera vaccine is safe and effective in reducing severe cholera cases by nearly 40% among vaccinated individuals. The vaccine's success lends support to its use in routine mass vaccination programs, particularly in endemic countries where clean water and sanitation are scarce.
A recent study published in the International Journal of Water found that decentralized water regulation presents a theoretical benefit, allowing different populations to tailor spending to their particular circumstances. The research suggests that local decision-making can promote good governance and improve outcomes for Canadians.
Athletes should drink only when thirsty to prevent exercise-associated hyponatremia (EAH), a condition that can lead to life-threatening swelling in cells. Drinking excess fluids does not prevent fatigue or heat stroke, and athletes can safely lose up to 3% of their body weight during competition without loss of performance.
A new study by engineers at the University of Sheffield has proven conclusively that contaminants can enter pipes through leaks and be transported through the pipe network. Groundwater with harmful contaminants can be sucked in and remain in the pipe, potentially reaching consumers' taps at low concentrations.
Abelardo Colon and Jennifer Gill from the University of Puerto Rico won the top honors with their video explaining a new method for disinfecting drinking water using a nanodiamond powder. The process has promising results, reducing fecal E. coli colonies and increasing density.
Scientists have discovered chemical compounds, including 2-BE and organic contaminants, in the drinking water of three Pennsylvania homes near a reported well-pad leak. The new technique, GCxGC-TOFMS, was used to characterize the contamination, which is believed to have originated from fracking fluids or drilling additives.
A new foam water filter has been developed by Michigan State University researchers, which significantly reduces dangerous pathogens in drinking water. The filter combines existing treatment principles and features a unique biological layer that enables it to become more efficient over time.
A study found that combined sewer overflows can lead to a significant increase in emergency room visits for gastrointestinal illnesses, contaminating drinking water sources. The researchers analyzed data from three areas with combined sewer systems and found a 13% increase in ER visits after extreme precipitation events.
Research links water fluoridation above 0.7 mg/l to a 30% higher than expected rate of underactive thyroid (hypothyroidism) in England. Researchers suggest switching to non-fluoride-based interventions to protect tooth health.
A new study recalculates global progress in household water access, highlighting deficits in sanitation. The findings suggest that prioritizing both water and sanitation equally could improve human health outcomes.
Researchers have developed a simple and inexpensive method to remove arsenic from contaminated groundwater using discarded cigarette ash coated with aluminum oxide. This method is particularly useful for rural and developing regions where access to advanced treatment technology is limited.
A new BU study found that prenatal exposure to tetrachloroethylene in drinking water may increase the risk of stillbirth and placental abruption. The study, which compared over 2,000 pregnancies, found a significant association between PCE exposure and an elevated risk of these pregnancy complications.
Scientists have found that discharge of fracking wastewater into rivers can contaminate drinking water supplies. Even after passage through wastewater treatment plants, halides in the wastewater can lead to toxic byproducts when treated with conventional methods.
A study by researchers from five universities found that contamination in drinking water wells in Pennsylvania and Texas stems from well-integrity problems such as poor casing and cementing. The analysis used noble gas and hydrocarbon tracers to identify the source of fugitive methane and determine if it is natural or not.
Researchers at Virginia Tech find that 50% of the population can't detect high levels of manganese in water, leading to potential health risks. The study's findings highlight the importance of considering water safety not only in tap water but also in humidified air.
Research found that low doses of arsenic, similar to those consumed by humans, cause lung cancer in male mice. Arsenic levels above 50 ppb led to significant increases in benign and malignant lung tumors.
A new study of nearly 12,000 individuals found that those with dyspnea at baseline had a greater risk of dying, even after adjusting for other risk factors. Dyspnea was associated with a significant increased risk of death in rural Bangladesh, and identifying underlying causes may offer an opportunity to reduce mortality risk.
A comprehensive review found that improved water sources in low- and middle-income countries often contain fecal contamination. The study's findings suggest a large proportion of the world's population uses unsafe water, highlighting the need for alternative indicators of safe water.
A new study found that most schools in the US meet the USDA drinking water mandate, but additional measures are needed to promote better access and encourage students to drink more water. The study suggests that collaboration among school staff and educational activities can be effective strategies to promote water consumption.
Scientists have developed a new technique to convert astronaut urine into fuel and drinking water, reducing the waste burden in space missions. The Urea Bioreactor Electrochemical system efficiently converts urea into ammonia, which is then turned into energy with a fuel cell.
The study found that rural households in areas with low access to improved water and sanitation are more likely to lack these basic services. Geographical mapping reveals substantial levels of inequality in access to improved drinking-water supplies and sanitation across sub-Saharan Africa.
A study by Columbia University found that exposure to arsenic in drinking water is associated with decreased intelligence in children, with reduced Full Scale and Working Memory scores of 5-6 points
The Academy of Natural Sciences will oversee monitoring and fieldwork for the William Penn Foundation's $35M grant-funded programs in eight designated geographic areas in Pennsylvania, New Jersey, New York, and Delaware. The project aims to improve water quality and citizen awareness among 15 million residents.
Virginia Tech researchers uncover complexities of the chemical spill, determining the odor threshold concentration of the trans-isomer to be 350 parts per trillion by volume in the air. This finding highlights the need for independent measurement of cis and trans isomers to understand their properties.
A 'stop mechanism' was found to regulate drinking behavior by detecting thirst levels and preventing overdrinking. The study, published in Proceedings of the National Academy of Sciences, identified brain regions that determine the signals to stop drinking, potentially preventing complications from excessive water intake.
Scientists have developed a water purifier that can remove pharmaceuticals, pesticides and other pollutants from drinking water using sunlight. The new technology combines titanium dioxide and graphene to create an easy-to-use system that could be incorporated into consumer products.
A University of East Anglia study found that schools providing clean water report lower absenteeism rates. During the dry season, children without access to clean water were 2.5 times more likely to be absent than those with access. The researchers also highlighted the potential benefits for child health and education.