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Vanderbilt-led study shows high-salt diet decreases thirst, increases hunger
The findings, published as a set of two papers in this week's Journal of Clinical Investigation, shed new light on the body's response to high salt intake and could provide an entirely new approach to these three major killer diseases. (2017-04-17)

Drinking iced tea may boost cholera risk in endemic countries
After more than a decade of declining cholera incidence, Vietnam faced an increase in cases of the diarrheal disease during 2007-2010. Risk factors for contracting cholera in Ben Tre province of Vietnam include drinking iced tea or unboiled water and having a water source near a toilet, researchers report in PLOS Neglected Tropical Diseases. (2017-04-13)

Device pulls water from dry air, powered only by the sun
While it's easy to condense water from humid air, machines that harvest water from drier air require energy. UC Berkeley and MIT researchers have created the first water harvester that uses only ambient sunlight. The key component is an extremely porous material called a metal-organic framework that absorbs 20 percent of its weight in water from low-humidity air. Sunlight heats the MOF, releasing the water vapor, which condenses to produce liters of water per day. (2017-04-13)

New material could save time and money in medical imaging and environmental remediation
Chemists at the University of Texas at Austin have developed a material that holds the key to cheap, fast and portable new sensors for a wide range of chemicals that right now cost government and industries large sums to detect. (2017-04-13)

New study emphasizes the relative scarcity of lake water
What is the volume of water in lakes on Earth? Using a mathematical analysis, researcher David Seekell, at UmeƄ University, and his American collaborators now suggest that the mean depth of lakes is 30 percent lower than previously estimated. Shallower lakes implies less fresh water and has consequences for our understanding of climate change and the carbon cycle. The results have been published in Geophysical Research Letters. (2017-04-13)

New breed of supermolecule 'hunts down' harmful drugs and removes them from water
A University of Surrey academic is leading research that has found an effective, environmentally friendly way to monitor and remove pharmaceuticals from water. (2017-04-10)

Nitrogen, phosphorus from fertilizers and pet waste polluting urban water
New research from the University of Minnesota points to lawn fertilizers and pet waste as the dominant sources of nitrogen and phosphorus pollutants in seven sub-watersheds of the Mississippi River in Saint Paul, Minn. (2017-04-05)

Potentially explosive methane gas mobile in groundwater, poses safety risk: U of G study
Potentially explosive methane gas leaking from energy wells may travel extensively through groundwater and pose a safety risk, according to a new study by University of Guelph researchers. It will also escape into the atmosphere as a powerful greenhouse gas. (2017-04-05)

Research links decline in hemlock forests to changes in water resources
An insect infestation that is killing hemlock trees in New England forests is having a significant impact on the water resources of forested ecosystems that provide essential water supplies to one of the nation's most populous regions. (2017-04-05)

A self-healing, water-repellant coating that's ultra durable
A self-healing, water-repellent, spray-on coating developed at the University of Michigan is hundreds of times more durable than its counterparts. (2017-04-04)

UBC invention uses bacteria to purify water
A University of British Columbia-developed system that uses bacteria to turn non-potable water into drinking water will be tested next week in West Vancouver prior to being installed in remote communities in Canada and beyond. (2017-04-04)

Graphene sieve turns seawater into drinking water
Graphene-oxide membranes have attracted considerable attention as promising candidates for new filtration technologies. Now the much sought-after development of making membranes capable of sieving common salts has been achieved. (2017-04-03)

Where the Jordan stops flowing
A new study conducted at Tel Aviv University argues that Israel's Jordan River may be a useful case study for the challenges facing stream restoration initiatives around the world. (2017-04-03)

Exploring ocean waters to characterize atmospheric aerosols
Aerosols play a major role in cloud formation, with a strong impact on climate models. They are however hard to study due to the small size and immense variety of their constituent particles. Researchers from the University of Geneva, Switzerland, aboard the PlanetSolar Deepwater expedition, successfully linked the composition of marine biological aerosols to that of bodies of water under them, paving the way to their indirect study and to more accurate climate models. (2017-03-31)

Balance test improves insight into illness in schizophrenia
A common symptom of schizophrenia -- not knowing that you're ill -- can be temporarily alleviated using a balance test that stimulates part of the brain with cold water, an exploratory study at the Centre for Addiction and Mental Health (CAMH) has shown. (2017-03-30)

UTSA professors receive grant to create water-purifying nanomaterial
Heather Shipley, chair of the Department of Civil and Environmental Engineering and Burzik Professor in Engineering Design at The University of Texas at San Antonio (UTSA), and Kelly Nash, associate professor of physics, have received a $65,000 grant from the National Science Foundation to develop a nanomaterial that can do the work of a water treatment plant. (2017-03-30)

'Weather whiplash' triggered by changing climate will degrade Midwest's drinking water
University of Kansas have published findings in the journal Biogeochemistry showing weather whiplash in the American Midwest's agricultural regions will drive the deterioration of water quality, forcing municipalities to seek costly remedies to provide safe drinking water to residents. (2017-03-29)

Reusable carbon nanotubes could be the water filter of the future, says RIT study
Enhanced single-walled carbon nanotubes offer a more effective and sustainable approach to water treatment and remediation than the standard industry materials -- silicon gels and activated carbon -- according to a paper by RIT researchers John-David Rocha and Reginald Rogers. (2017-03-29)

MSU, Shedd Aquarium partnering to create healthier aquatic homes
Viruses are the most abundant living organisms on the planet, yet we know very little about them, especially in aquatic environments. Michigan State University's Joan Rose is partnering with Shedd Aquarium in Chicago to better understand how viruses affect plants, fish and aquatic mammals in human-built and controlled aquariums. (2017-03-28)

IUPUI researcher weighs in on fairy circles of Namibia
A study conducted by researchers at Indiana University-Purdue University Indianapolis adds new insights into one of nature's great mysteries: the fairy circles of Namibia. (2017-03-28)

World Water Day: Fog and dew keep Africa's Namib Desert ecosystem going
The ocean is not the sole source of the fog that sustains life for numerous plants and animals living in Africa's coastal Namib Desert. The fog also comes from groundwater and other sources, report ecohydrologists supported by the National Science Foundation (NSF) and affiliated with Indiana University-Purdue University Indianapolis (IUPUI). (2017-03-27)

NSF-funded IUPUI study of non-rainfall water in Namib Desert reveals unexpected origins
In a study conducted in one of the world's oldest and most biologically diverse deserts, Indiana University-Purdue University Indianapolis scientists explore the origins of water other than rainfall and are identifying multiple origins. The study, supported by the National Science Foundation, is the first to report that the ocean is not the sole source of life-sustaining fog and dew for numerous plants and animals living in the Namib Desert. (2017-03-22)

ATP hydrolysis energy explained through large-scale hybrid quantum/classical simulations
Researchers have succeeded in unveiling the microscopic mechanism of AHE release in water. (2017-03-22)

Rare-earths become water-repellent only as they age
Surfaces that have been coated with rare earth oxides develop water-repelling properties only after contact with air. Even at room temperature, chemical reactions begin with hydrocarbons in the air. In the journal Scientific Reports, researchers from the University of Basel, the Swiss Nanoscience Institute and the Paul Scherrer Institute report that it is these reactions that are responsible for the hydrophobic effect. (2017-03-22)

Preventing lead spread
While lead pipes were banned decades ago, they still supply millions of American households with water each day. A team of engineers at Washington University in St. Louis has developed a new way to track where dangerous lead particles might be transported in the drinking water supply during a common abatement procedure. (2017-03-16)

Fossil or inorganic structure? Scientists dig into early life forms
An international research team found that fossil-like objects grew in natural spring water abundant in the early stages of the Earth. But they were inorganic materials that resulted from simple chemical reactions. (2017-03-15)

Greenhouse gases: First it was cows -- now it's larvae!
Scientists at UNIGE have discovered that Chaoborus spp uses the methane it finds in lakebeds to help it move around. The species releases methane into the surface water, increasing the likelihood that the gas will enter the atmosphere. The research demonstrates the negative role played by the larvae not just in global warming but also in disturbing the sedimentary layers at the bottom of lakes. (2017-03-14)

Leap onto land saves fish from being eaten
Fish on the South Pacific island of Rarotonga have evolved the ability to survive out of water and leap about on the rocky shoreline because this helps them escape predators in the ocean. The UNSW Sydney-led study is the first to examine the pressures driving fish out of water and shows the ocean is an enemy-filled environment for the little blennies. (2017-03-14)

Acetone experiences Leidenfrost effect, no hotplate needed
Researchers in Japan noticed that acetone droplets not mixing with the water, because of their own form of the Leidenfrost effect, more commonly observed in water droplets on solid hot surfaces. They studied the fluid dynamics of this interaction, and of the self-propulsion common to the Leidenfrost effect (which has its own name, Marangoni effect) to learn more about the underlying mechanics. Their surprising results appear this week in the journal Physics of Fluids. (2017-03-14)

New application of THz technique on water evaluation in crude oil
The evaluation of water content in crude oil is of significance to petroleum exploration and transportation. Terahertz (THz) wave is sensitive to the fluctuations in dipole moment of the water. Oil-water mixtures with high water content were measured with THz-TDS system based on additive manufacturing by researchers from China University of Petroleum. (2017-03-13)

Cool insights for a hot world
A new review suggests that the direct effects of trees on the climate via rainfall and cooling may be more important than the well-studied effects through the global carbon balance. On the occasion of the International Day of Forests (March 21) and World Water Day (March 22), the CGIAR Research Program on Forests, Trees and Agroforestry is hosting a virtual symposium on the linkages of forests, water and climate. (2017-03-13)

Measurements by school pupils paved way for key research findings
With their measurements and samples, nearly 3,500 schoolchildren have assisted a research study on lakes and global warming, now published in the journal Scientific Reports. The results show that water temperatures generally remain low despite the air becoming warmer. This helps to curb the emission of greenhouse gases. (2017-03-10)

Vision, not limbs, led fish onto land 385 million years ago
A Northwestern University and W.M. Keck Science Department of Pitzer, Claremont McKenna and Scripps colleges study suggests it was the power of the eyes and not the limbs that first led our aquatic ancestors to make the leap from water to land. The researchers discovered that eyes nearly tripled in size before -- not after -- the water-to-land transition. Crocodile-like animals saw easy meals on land and then evolved limbs that enabled them to get there, the researchers argue. (2017-03-07)

New research shows crude oil chemicals move and change more quickly than EPA standards
The EPA lists about 65 chemicals as 'toxic pollutants' under the Clean Water Act, 16 of which are polycyclic aromatic hydrocarbons, or PAHs. Researchers conducted studies on a chemical class of PAHs that is not on the EPA's list -- Dibenzothiophene, or DBT, found in crude oil. They studied how these chemical compounds move and change over time, which revealed new information that differs from the EPA standards. This new research was published today. (2017-03-03)

Melting temperature of Earth's mantle depends on water
A joint study between Carnegie and the Woods Hole Oceanographic Institution has determined that the average temperature of Earth's mantle beneath ocean basins is about 110 degrees Fahrenheit (60 Celsius) higher than previously thought, due to water present in deep minerals. (2017-03-02)

Calculating recharge of groundwater more precisely
An international team of researchers has demonstrated that key processes in models used for the global assessment of water resources for climate change are currently missing. This could mean climate change impact models are wrong in some parts of the world and cannot yet be used to guide water management. (2017-02-28)

Exploring the mysteries of supercooled water
Despite its omnipresence, water has many physical properties that are still not completely understood by the scientific community. One of the most puzzling relates to the activity of water molecules after they undergo a process called 'supercooling.' Now, new findings from Roma Tre University, in Rome, Italy, on the interactions of water molecules under these exotic conditions appear this week in the Journal of Chemical Physics. (2017-02-28)

NASA study hints at possible change in water 'fingerprint' of comet
A trip past the sun may have selectively altered the production of one form of water in a comet -- an effect not seen by astronomers before, a new NASA study suggests. (2017-02-28)

Study opens new questions on how the atmosphere and oceans formed
A new study led by The Australian National University has found seawater cycles throughout the Earth's interior down to 2,900km, much deeper than previously thought, reopening questions about how the atmosphere and oceans formed. (2017-02-27)

What's really in the water
Through a five-year, $500,000 CAREEER Award from the National Science Foundation, a civil and environmental engineering research group at the University of Pittsburgh's Swanson School of Engineering will be developing new DNA sequencing methods to directly measure viral loads in water and better indicate potential threats to human health. (2017-02-27)

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