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Tag: "salty" at biology news

Road salt affects mitigation wetlands

...in the runoff wetland reach peaks that are half as salty as sea water," Silver told attendees at the North ... There was no decrease in midges from the slightly salty wetland. In general, freshwater organisms are not very salt tolerant. The Penn State researcher has ...

Too much water may be as dangerous as too little during long-distance athletic events

...ur fluid intake." He also added that taking along salty snacks to eat during the race is a good way of combating hyponatremia. Generally, athletes of all types are instructed prior to activities that water consumption is necessary to prevent illness from heat and to maintain performance levels. It is als...

Bush, Cheney and Rumsfeld are now species of slime-mold beetles -- but strictly in homage

...ur fluid intake." He also added that taking along salty snacks to eat during the race is a good way of combating hyponatremia. Generally, athletes of all types are instructed prior to activities that water consumption is necessary to prevent illness from heat and to maintain performance levels. It is als...

New design : complete

...ur fluid intake." He also added that taking along salty snacks to eat during the race is a good way of combating hyponatremia. Generally, athletes of all types are instructed prior to activities that water consumption is necessary to prevent illness from heat and to maintain performance levels. It is als...

Climatologists discover deep-sea secret

...st. The waters in the southern hemisphere are less salty than those in the northern hemisphere, and this freshwater in the south sinks to the ocean floor and is transported to the rest of the Atlantic, reducing the salinity of the North Atlantic Ocean and strength of the gulf stream. Nevertheless, the rese...

Bitter or sweet? The same taste bud can tell the difference

...y override CCK during a sweet sensation. Sour and salty ?the two other dominant tastes ?seem to work in totally different ways than sweet and bitter, Herness said. The researchers would eventually like to figure how these work, too, but for now their next step is to apply bitter and sweet stimuli to tast...

UCR environmental scientists propose chemical solution to cleaning California's Salton Sea

... Sea, evaporation will result in the sea being too salty for fish, resulting also in the loss of fish-eating birds frequenting an area that is home also to several endangered bird species and visited by millions of waterfowl every year. Massive fish kills are a common occurrence at the Salton Sea, howeve...

A salty tale: New bacterial genome sequenced from ancient salterns

... reveal the genome of one bacterium at home in the salty Spanish ponds. The bacterium is Salinibacter ruber, a bright red, rod-shaped organism. Several years ago, scientists first isolated S. ruber from saltern crystallizer ponds in Alicante and Mallorca, Spain. Although extreme-loving microbes called arc...

Thin tough skin, slow-growing gills protect larval Antarctic fish

...h as blood in many notothenioids are about half as salty as seawater. While seawater reaches its freezing point at -1.91 degrees Celsius, fish fluids will freeze at about -1 degree Celsius. The water where these species dwell rarely rises above the freezing point and is regularly filled with ice crystals. ...

For some young fish, early gene expression is a clear harbinger of fated lifestyle

... that prepare them for adulthood in open fresh and salty waters. In their innovative work, which is based on studying the gene expression profiles of hundreds of genes at a time in different fish populations, the researchers studied gene expression in two species--strains of the brown trout, Salmo trutta,...

Researchers discover which organs in Antarctic fish produce antifreeze

...rnal fluids in notothenioids are about one-half as salty as seawater. While seawater reaches its freezing point at ?.91 degrees Celsius, fish fluids freeze at about ? degree Celsius. These species dwell in water that rarely rises above the freezing point and is regularly filled with ice crystals. From t...

Scientists solve sour taste proteins

...ns could be responsible for sensing either sour or salty taste. In action, the two proteins combine to form "ion channels," porelike proteins in the membranes of taste cells, Matsunami said. These channels in turn control the flow of calcium ions, or electrically charged forms of calcium, in and out of t...

MIT: Pulsing light silences overactive neurons

...opsin found in a bacterium that grows in extremely salty water, such as the Great Salt Lake in Utah. In the bacterium, Natronomas pharaonis, the gene codes for a protein that serves as a light-activated chloride pump, which helps the bacterium make energy. When neurons are engineered to express the halo...

Like salty food? Chances are you had low blood sodium when you were born

...en were then invited to eat freely from a table of salty and sweet snacks. The researchers used trained experts to collect the above data. The investigators used ANOVA, correlational analysis (Spearman), and SPSS to analyze the data. Alpha was fixed at 0.05 and SEM was the measure of variability. ...

Salty oceans provide early warning for climate change

...he key. Their results reveal that a build up of salty water can stimulate deep water circulation, while ...e density of water. Once a pocket of water becomes salty enough it sinks, drawing in additional water from surrounding areas, and initiates an ocean circulat...

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