Tag: "water" at biology news
Revealing bizarre deep-sea secrets
..., salt deposits in the seafloor dissolve to create water
so dense that it forms a shallow lake 2,100 feet b...d sunglasses offer boaters a clearer view into the water
by blocking out glare, polarized filters in the deep will allow scientists to see animals that hide ...
Oldest evidence for processing of wild cereals: starch grains from barley, wheat, on grinding stone
When the water
level in the Sea of Galilee dropped in 1989, archa...Then, the entire stone is placed in a sonicator, a water
bath in which sound waves vibrate the artifact until smaller particles float free. Each microscopic...
Endangered turtles' trek along ocean currents revealed by satellite
...tle's return is by no means certain. While in open water
the turtles have been known to dive as deep as 1,230 metres in search of food, most of the time they do not venture deeper than 250 metres down, leaving them vulnerable to the hooks of longline fishermen hundreds of thousands of such hooks are deplo...
Dispute over life in Antarctic lake
... If they are right, it would be the first lifeless water
body found on Earth. As such, it could help us hon...Lake Vostok will be the only known sterile body of water
on Earth. Though the lake itself has not been sampled, theoretical calculations predict that it has ...
Goals unlikely to protect Gulf of Mexico shrimp industry
...in 2001? The hypoxic region is an area where water
lacks sufficient oxygen to sustain most marine lif...ia, a process that consumes oxygen. The warm fresh water
from the Mississippi and Atchafalaya rivers also layer atop the colder salty Gulf waters, preventing...
8 environmental stewards win $900,000 in biodiversity awards
...n effort to examine the needs of Wisconsin's fresh water
ecosystems. And, in his home community of Sauk Prairie, Wisconsin, Meine has been a leader in developing a community-driven consensus plan for conserving the now-vacant property of the Badger Army Ammunition Plant, a 7,350-acre World War II munitions...
Commercialization deal boosts hope for new sickle-cell drug
...as the Gardos channel, through which potassium and water
exit the cell. Blockade of this channel keeps the cells hydrated, resulting in much less sickling. The CHB researchers also discovered that clotrimazole has metabolites (breakdown products) that can reduce sickling without the liver toxicity ...
Huge market for forest moss raises concerns
...e, a hydrologic buffer to help control the flow of water
in forests. Some threatened species such as the marbled murrelet build their nests in moss mats. And the moss is habitat for hundreds of insect species. "We don't really know whether the removal of this much moss is a serious problem, because n...
Ants protect plants better when jacked up on nectar
...s, or Ferocactus wislizeni. The carbohydrates and water
supplied by the cacti are not readily available to ants elsewhere, Bronstein said. In one experiment, the researchers sealed up the nectaries with rubber cement to see if the ants would abandon a nectary-free cactus. "The ants were very put out and ...
An exotic grass kills trees by hijacking their water
Buffelgrass snatches water
away from nearby palo verde trees, ultimately kill...buffelgrass, an invasive non-native species, grabs water
before foothill palo verde trees can. The situation does not bode well for the trees, said J. Alex E...
A changing landscape may have dire implications for birds
...birds by establishing feeding stations, sources of water
and nesting boxes. But the increased density of housing, especially in northern deciduous forests, is having a net negative impact. "Whole species, like the Cerulean Warbler, could be in jeopardy if we don't preserve enough large tracts of mature dec...
Lake research offers clues to managing crayfish invasions
...ary data showing that lakes - even ones similar in water
chemistry and the amount of rocky substrate crayfi...esting lakes, just five miles apart and similar in water
chemistry, looked very different underwater in terms of rusty crayfish, fish and plant life. While B...
Free electron laser reaches 10 kW
...e Navy plans on moving the 100 kW laser to an over water
test site, and scaling the power up to megawatt levels....
Parents are top influence on soft-drink consumption among kids
...uideline, be sure soft drinks are not crowding out water
and other nutritious beverages like fruit juices and milk."...
Ancient life form may help create newest technologies
...capabilities, he said, is to take silicon from sea water
and process it into intricate microstructures to form a tiny, rigid shell. The shell is composed of tiny silica nanospheres, and provides a ready made, natural system to create organized structures at the nano level. With the assistance of Alex Chang...
Colorado River Conference Aug. 26
...rado and its tributaries are the primary source of water
for much of the southwestern United States, and it affects water
management and supply across the border in Mexico," according to Jack Hamilton, conference director ...
Spring through fall, cities are greener longer than neighboring rural regions
...emperature but also by daily exposure to light and water
availability. The team's findings are reported in a recent issue of Geophysical Research Letters....
Whale carcass yields bone-devouring worms
...eir reddish feathery plumes, which extend into the water
and act as gills. The plumes connect to a muscular trunk, which can be withdrawn into a transparent tube when the worms are disturbed. At the other end of the trunk, hidden inside the whale bone, the body widens to form a large egg sac. The greenish ...
AGU journal highlights - 29 July 2004
....1029/2004GL020067, 2004 9. Revised estimate for water
volume through ocean straits Imposing a maximum li...n allowresearchers an improved measure to estimate water
movement through thechannels. Melvin E. Stern presents a modified formula for estimating an upperbou...
Ancient brewery discovered on mountaintop in Peru
...ther refuse from the settlement, were used to boil water
and other ingredients to make chicha. These fire p...l because of its mountaintop location. The closest water
source, a major component in making chicha, would have been located down a long, steep mountain trai...
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