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Tag: "water" at biology news

Study finds mercury prevalent in many western fish

... analysis of the impact. The EPA's "tissue-based water quality criterion" is set at 0.3 micrograms of mer...located on the OSU campus. Mercury entering the water via the atmosphere has a variety of natural and manmade sources, the researchers say, including coal...

Fish growth changes enhanced by climate change

...fic are consistent with shifts in wind systems and water temperatures, according to new Australian research...e productivity and possibly the resilience of deep water stocks,?he says. A biological oceanographer with CSIRO’s Wealth from Oceans Research Flagship, Dr...

Cornell researcher helping develop quick, cheap HIV/AIDS test

...as where electricity is unreliable or nonexistent, water quality is poor and there are few, if any, highly skilled health-care technicians. "This test, however, is being developed to endure harsh temperature conditions and be truly simple -- no batteries will be needed, for example." ...

Satellites shed light on global warming

...er melt seasons and the formation of extended melt water streams and ponds on the ice shelf surfaces," Rott...y be providing them with an input of nutrient-rich water from the deep ocean as well as moving them around. These findings are then compared with the effect ...

Manual dishwashing study digs up dirt on dish cleanliness

...er, rinsed with clean water, and finally soaked in water containing germ-killing sanitizers. But employees often use water that is cooler than 110 degrees Fahrenheit—the minimum washing temperature recommended by the FDA—be...

Bacterial response to oxidation studied as toxin barometer

...cy Love began to look for other applications, from water monitoring in general to specific health monitoring in other biological systems in the environment, and met Rzigalinski, who is focused on neuroscience, particularly brain injury and aging, and nanotechnology (http://nanoneuro.vcom.vt.edu/). “It ...

How fish conquered the ocean

...lk-producing genes and filling their eggs with the water of life ?the degradation of yolk proteins from one...uplicated genes causes the eggs to fill with vital water and float. This is the major solution realized by extant marine teleosts that showed an unprecedente...

Volcanic eruptions, ancient global warming linked

...xic events ?periods of no oxygen in the deep-ocean water ?which we think are triggered by high surface productivity of plankton that have responded to nutrients released into the ocean by hydrothermal activity," Duncan said....

'Hidden-hero' microbes in soil, water may help naturally clean toxic sites

... an estimated 1.7 trillion gallons of contaminated water -- that's about four times the nation's daily water consumption -- and about 40 million cubic meters of contaminated soil. Kostka has a five-year, $1...

Coated nanoparticles solve sticky drug-delivery problem

...commonly used in pharmaceuticals. PEG dissolves in water and is excreted harmlessly by the kidneys. The researchers also considered the size of their nanoparticles. Previous studies indicated that even if nanoparticles did not stick to the mucus, they might have to be smaller than 55 nanometers wide to...

New insights into autoimmunity and depression

...d swimming test in a glass beaker partially filled water to evaluate escape-oriented behaviors, such as rearing and jumping; rotarod and grip strength tests to gauge motor function; a staircase test; a swim T-maze test to assess cognitive function; and a passive avoidance test to measure the ability of mic...

Researcher examines polymers created with poultry feathers

...ture and meet or exceed most properties except for water resistance and longevity. Meeting these performanc...faster, be more aesthetically pleasing, and become water resistant and stronger for increased longevity. ...

New UD technology removes viruses from drinking water

... could dramatically improve the safety of drinking water around the globe, particularly in developing count...xth of the world's population--lack access to safe water supplies. Four billion cases of diarrheal disease occur worldwide every year, resulting in 1.8 mi...

Pharmaceutical compounds found in nation's fresh water

...found in septic tanks and, consequentially, ground water due to incomplete human metabolism and excretion i...rrence of pharmaceuticals in areas receiving waste water from septic tanks located in sand and gravel deposits in Missoula, Montana. Many pharmaceutical a...

Cells selectively absorb short nanotubes

... ranging from electronic displays to fuel cells to water filtration, SWCNTs are tiny cylinders—essentially ...the nanotubes because this renders them soluble in water and allows them to be sorted and separated by length. The researchers then exposed human lung fibrob...

Dig deeper to find Martian life

...tion field. Finding life on Mars depends on liquid water surfacing on Mars, but the last time liquid water was widespread on Mars was billions of years ago. Even the hardiest cells we know of could not possi...

How does your brain tell time?

...pebble into a lake," he explained, "the ripples of water produced by the pebble’s impact act like a signature of the pebble’s entry time. The farther the ripples travel the more time has passed. "We propose that a similar process takes place in the brain that allows it to track time," he added. "Ever...

Microbes compete with animals for food by making it stink

...or bait -- that had been rotting in a pool of warm water ?some of it for one day and the rest for two days....reshly thawed menhaden and fish that had soaked in water with antibiotics, but refused to eat the rotten fish not protected from microbial attack. To dete...

Researchers to study why dead zone returned to Lake Erie

... years. A dead zone is an area of oxygen starved water that cannot sustain aquatic habitat, said Scavia, ...rio, global warming has caused the layer of bottom water to become thinner, with less oxygen. The dead zone materialized in Erie's central basin and can co...

U of M researchers invent 'flashy' new process to turn soy oil, glucose into hydrogen

...ere's how the new process works: The oil and sugar water are sprayed as fine droplets from an automotive fu...ules toward the production of syngas and away from water and carbon "gunk." Because the catalytic disk is porous, the syngas passes through it and is collect...

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