Tag: "water" at biology news
Unicellular organisms contribute more nitrogen to ocean that reported earlier
...the largest single source of nitrogen entering the water
in broad areas of the ocean." This level of nitro...s through the ocean both in the upper layer of the water
and from the atmosphere into the ocean," Montoya added....
Computer database being developed at Temple will allow for better inventory of chemicals
...and screen for hazardous chemicals, explosives and water
reactives--information that would prove especially...ire in a lab, and that lab has large quantities of water
re-actives in it, you dont want to spray water
at the fire, because thats just going to make the sit...
JGI announces community sequencing program portfolio
...h resulting in eutrophication, where oxygen in the water
is depleted and fish and other organisms residing in the habitat die. Alvinella pompejana, the marine Pompeii worm, which has adapted to thrive at super-hot hydrothermal vents. Prochlorococcus, marine phytoplankton that plays a critical role regu...
OneWorld Health compiles comprehensive state of infectious diarrhea treatments, potential solutions
...ar and salt orally to children to replace both the water
and vital nutrients (electrolytes) lost in diarrhea; it does not treat the diarrhea itself. Parents, out of frustration that ORT does not reduce stool output, purchase antibiotics for their children, which are almost always ineffective and disturb n...
UV light, coatings reduce bacterial adhesion up to 50 percent
...many years as an environmentally friendly route to water
disinfection. However, these new results indicate that ultraviolet light, combined with certain coatings, also may offer a 'green' approach to keeping glass surfaces free of contamination." Li described her results in a paper, "The Impact of Ul...
Carnegie Mellon scientists reveal ways of studying, resolving PCB contamination in US rivers
...iphenyls) in the environment has threatened scarce water
supplies, ecosystems, tourism and the world's frag... to provide a source of these deadly toxins to the water
and ultimately to fish and people. Now, in a series of integrated studies, a multidisciplinary tea...
Gold quantum dots have applications in biological labeling, nanoscale optics
...ve discovered a new class of quantum dots that are water
soluble, strongly fluorescent, and display discrete excitation and emission spectra that make them potentially very useful for biological labeling," said Robert Dickson, associate professor in the School of Chemistry and Biochemistry at the Georgia I...
Cleaner water, more efficient electricity among UH chemical research
...ng presentations, ranging from bacteria removal in water
and quantum shuttles in electricity to defining ca...us on mechanisms of bacteria removal from drinking water
supplies using microfiltration membranes, with an emphasis on filter clogging. Eric Bittner, pro...
Plumbing trees' plumbing reveals their engineering skill
...d structure of their piping, or xylem, to maximize water
uptake, maintain their integrity and avoid flow-bl...develop the largest conduits in order to draw deep water
most efficiently. The scientists' technique of studying tree roots in place offers a far more realis...
Anti-bacterial additive found in Maryland streams
...nmental data of triclocarban contamination in U.S. water
resources. It is published in the online edition o...onducted on the occurrence of the chemical in U.S. water
resources. Dr. Halden and his summer research intern, Daniel H. Paull, now a graduate student in the...
Scientists visualise cellular handmaiden that restores shape to proteins
...tuck away the elements that don't mingle well with water
- a property known as hydrophobicity - inside their structure. Denatured proteins with their mis-organised shape allow normally hidden elements to display on the outside, making them appear hydrophobic. The chaperonin cap recognises the hydrophobici...
Muscling their way into the food chain: Zebra mussels alter fish populations in the Hudson River
... populations as a condition of withdrawing cooling water
from the river. These surveys began prior to the z...feed by grazing on food particles suspended in the water
column. There are so many zebra mussels in the Hudson River that they filter all of the water
Forgetting, reminding, and remembering: The retrieval of lost spatial memory
...reminder by briefly raising the platform above the water
in either the learned location or in a new 'false' location. If raising the platform was facilitating relearning, then animals capable of learning would look for the platform in the new location. But if raising the platform functioned as a reminder,...
Story tips from the Department of Energy's Oak Ridge National Laboratory, August 2004
...nt to withstand conditions in the high-temperature water
used in reactors. Zia Faiztompkins, an engineer with the Rockville, Md.-based Gamma Engineering, is working with ORNL's Larry Walker, Michael Lance and Harry Meyer to answer that question. Funding is provided by the Department of Energy's offices of ...
Evolution of whale hearing unfolds in fossil record
...ern whales. The later whales could hear better in water
than pakicetids could, and could also hear in air, but hearing in both media was compromised by the existence of two systems. With the advent of basilosauroids (approximately 40 million years ago), the old land-mammal ear disappeared, and the modern...
Near-zero-energy buildings blessing to owners, environment
...t limiting our approach to space heating, cooling, water
heating, lighting and major appliances," Christian...ems, insulated precast concrete walls, a heat pump water
heater, geothermal systems, grid-connected solar photovoltaic, adaptive mechanical ventilation, cool...
Rutgers-Newark scientist: Mosquitoes may carry lethal parasite
...tures' life cycle inhabit virtually every surface water
source, becoming active microsporidia once they ha...arasites. She recommends that they always boil tap water
before consuming it or stick to bottled water
as long as the source of the bottled water
is deep sp...
Water on Mars not easy to find, says Texas A&M researcher
...on at Gusev Crater" that deals with the search for water
on the red planet, and "Pancam Multispectral Imagi... was to locate the presence of large quantities of water
on Mars, which scientists believed were once there mainly in the form of large lakes and perhaps ev...
New hypoxic event found off Oregon coast
...ears similar to one in 2002, when an area of ocean water
with low oxygen content formed in the nearshore Or...tuation last year, when another mass of low oxygen water
formed but was pushed off the continental shelf by shifting winds and caused little damage," said Fr...
Why some animals have smaller eyes: Lifestyle matters
... the map, in part because their body weight in the water
is less constrained by gravity than the weight of an animal out of water. One aquatic creature that fails to obey the bigger body-bigger eyes rule is the reedfish, a lanky, well-camouflaged fish with no apparent head and little room for eyes. The Co...
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