Tag: "silver" at biology news
From Corn Rootworms To Art, Cornell's Reactor Is At The Core
... an old, faded photograph. The idea is to see the silver
that's not visible to the human eye. David Bouldin, professor of soil, crop and atmospheric sciences, and Michael Cahn, graduate student, showed water distribution, root growth rates and root distribution in soil using the technology. Richard Zobel...
Bark Beetle Infestation Spurs Multifaceted Study
...stock Lode, which was discovered in 1859, supplied silver
to theUnion troops during the Civil War. Working in the mines, building the roadsand cutting the wood were a conglomerate of immigrants. Included among theseworkers were large numbers of Chinese laborers. "The archaeologists don't want to disturb t...
New Ultrafine Metal Powder Production Process
... of producing ultrafine metal powders, such as silver
used in solder, dental fillings, circuit boards, h... Singh initially developed the new process for silver
and nickel. Using a household blender, a laser and inexpensive reaction materials, he showed...
Emerging Field Of Industrial Ecology
...stead of mining them. A good example isrecovering silver
after photographic processing, which accounts for half of allsilver used today. Technological priorities in research and development need tobe redirected toward a "reuse" perspective, Graedel said. Upgrade, don't discard, a philosophy in w...
DNA Used To Create Self Assembling Conducting Wire: Breakthrough Will Lead To Next Leap In Emerging Nanoelectronics
...that makes up genes, to assemble tiny particles of silver
into aconductive wire 1,000 times thinner than a h...,they finished the wire off by attaching grains of silver
along the scaffold by aprocess similar to photographic developing, forming a silver
wire connecting ...
Babbitt To Help Explore Depths Of Lake Tahoe
...an 160feet. But that was before the Comstock Lode silver
strike, clear-cutting ofnative trees, and two stroke engines," Babbitt said. "Now visibility in theLake is about 60 feet and falling. We need to have a clear picture of thenatural and human influences affecting Lake Tahoe to know how best to resto...
Study Suggests Weekly Hurricane And Rainfall Patterns Are Linked To East Coast
... The gray, smelly cloud of pollution has a strange silver
lining,however. While pollution makes for more rainy weekends, it also apparentlyreduces the intensity of hurricanes that hit over the weekend, such that weekendhurricanes tend to be much weaker than, say, Tuesday storms. "Hurricanes are the ...
Sturgeon, Trout And Telemetry--USGS Research Mixes Science And Technology At American Fisheries Society Annual Meeting
...tacles presented by dams. But developing ways for silver
phase American eels to safely swim around dams is a critical problem for the species' survival, because they typically suffer high mortality from passing through hydroelectric turbines during their spawning migration to the ocean. Over a two-year pe...
Scientists Discover Key Cog In Receptor That Governs Ripening
...ne idea was a transition metal,metals like copper, silver
and gold, which mediate reactions in organicchemistry, for example. The new discovery, says Bleecker, confirms that theory, but also has animportant evolutionary twist. The focus of Bleecker's work has been in a plantknown as Arabidopsis, a member of...
Lab on a chip? Cheap, disposable UD biosensor uses gold-on-plastic design
... lowerfrequencies, the researchers currently add a silver
stain, too.) Wires link the electrodes to an off-the-shelf generator and a resistance meter,which produces a rapid, yes-or-no (quantitative) response. In the future, Velevsays, the technology could be fine-tuned to measure concentration levels ofvari...
Researchers find high levels of mercury in native ore deposits
...n Michigan's Keweenaw Peninsula, native copper and silver
washistorically recovered from the parent rock by ... wide range of levels. The high correlationbetween silver
and mercury suggests a native metal source for the latter, assilver is generally not cycled atmosphe...
Biological legacies a key of ecological rebirth after Mount St. Helens eruption
...overed in as little as two seasons, the old-growth silver
firs in the area are still in decline. Silver firs, with their stiff needles and rigid branches, kept their coatings of volcanic ash, which reduces the amount of sunlight that reaches their needles and affects tree vigor. In other cases roots and ...
International conference on heavy metals in the environment
...University of Michigan campus. This year marks the silver
anniversary of the meeting that has attracted scientists from throughout the world since its first meeting in 1975. Scientists will discuss successes and failures of research on human exposure to toxic metals as well as future challenges of research...
Honey as healer
...ctive in controlling infection in burn wounds than silver
sulphadiazine, the antibacterial ointment most widely used on burns in hospitals" says Dr. Molan. The significance of the case of the British teenager, as reported in the June issue of Nursing Times, is that it is the first case in which honey was u...
Research paves the way for faster, better, cheaper DNA detection method
...ution, each gold nanoparticle becomes covered with silver
and grows in size, increasing the signal by a factor of 100,000. With current improvements, made with postdoctoral associate Garimella Viswanadham, as few as 60 double-stranded DNA molecules can be detected. A simple flatbed scanner is used to image ...
Turning down the Sun
...r of dust, a giant metal mesh or trillions of tiny silver
balloons into the atmosphere. Anything to give us ...all metal plates, organic dyes, tiny helium-filled silver
balloons or even potassium-filled buckyballs. And, they add, the scheme has the added benefit of not...
$100,000 prize to pioneers in neural research
...hared equally between the two co-recipients) and a silver
medal in the design of the Roosevelt dime, in honor of President Franklin D. Roosevelt, who founded the March of Dimes. These two imaginative scientists have helped to shape the present and future directions of an entire field of neural research, s...
Both shape and size matter in tiny world of nanoparticles
... in large quantities, using commercially available silver
nanospheres, soap and visible light, is reported i...-billionth of a meter.) The nanoprisms, made up of silver
atoms, gives off a rich red color when exposed to light. The nanoparticles could be used as new diag...
University of Rhode Island fisheries oceanographers study the effects of predator-prey interactions in the Georges Bank fish community
...cluded cod, haddock, herring, yellowtail flounder, silver
hake, mackerel, sandlance, spiny dogfish, and wint...tality in the Georges Bank fish community. Cod and silver
hake were the most important predators, but have been replaced by sharks and rays as the dominant fi...
Like storm clouds, natural disasters carry a silver lining, biologist says
...r species. Optimists claim that every cloud has a silver
lining, said Dr. Seth R. Reice, an associate profe...fits to the ecosystem it impacts. This is the real silver
lining. Princeton University Press recently published the 240-page volume, which grew out of an art...
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