Environmental costs of home construction lower with wise choice, reuse of building materials
...xtract and haul materials, natural gas to generate steam in lumber mills and electricity for steel mills. "Everything kind of flows from energy consumption," Lippke says. "If you're using energy, you're polluting water, polluting air and kicking out carbon dioxide emissions." Indeed, the carbon emissions...RNA could form building blocks for nanomachines
...orking with such tiny blocks, we are short of tiny steam shovels to push them around. So we need to design and construct materials that can assemble themselves." Organisms are built in large part of three main types of building blocks: proteins, DNA and RNA. Of the three, perhaps least investigated and...DFG presents the 2004 MAK and BAT value lists
...ng substance in the workplace atmosphere as a gas, steam or aerosol that according to current knowledge does not impair the health of employees exposed during eight-hour working days over the long term. Furthermore, the working substances are classified according to their carcinogenic, germ cell mutagenic,...Digital evolution reveals the many ways to get to diversity
... low on resources, their ability to dominate loses steam and other hard-working organisms have a chance to get a foothold in the habitat. Ofria, an MSU assistant professor of computer science and engineering and one of the paper's authors, gives the example of an ambitious organism that eats glucose, a typ...New reactor puts hydrogen from renewable fuels within reach
...en is now produced exclusively by a process called steam reforming, which requires very high temperatures and large furnaces--in other words, a huge input of energy. It's unsuitable for any application except large-scale refineries, said Lanny Schmidt, Regents Professor of Chemical Engineering, who led the...World's largest scientific society holds regional meeting in Long Beach, Calif.
...riodic replacement which was done by high pressure steam washing of the rocket casings into unlined waste discharge ponds, thereby releasing perchlorate to the environment. Since 1997, perchlorate plumes in groundwater have been detected in California and several other western states. Perchlorate contamina...DFG presents the new MAK and BAT Value List 2003
... of a working substance in workplace air as a gas, steam or aerosol that according to current knowledge does not impair the health of employees exposed during eight-hour working days over the long-term. Furthermore, the working substances are classified according to their carcinogenic, germ cell mutagenic,...Facing extreme ice conditions, coast guard, NSF deploy second icebreaker to Antarctica
...ndergoing substantial maintenance and is unable to steam south, Healy is being deployed to help Polar Sea meet two challenges, Sutherland explained. The first is to break a channel through the ice to Hut Point at McMurdo Station and to keep it open. Although the Polar Sea already has broken a channel into...New CU-NASA research belies previous idea that Mars was once warm, wet planet
...ted portions of subsurface and polar ice, creating steam and scalding water that rained back on Mars at some six feet per year for decades or centuries, causing rivers to form and flow, according to the study. But the study belies the warm, wet, Mars theory of rivers and oceans embraced by many planetary s...November GEOLOGY and GSA TODAY media highlights
...seamount, but an active volcano violently erupting steam and lava every few minutes. The summit of Kavachi lies only a few meters below the sea surface and has undergone periods of eruption and subsidence in the past. But until this cruise, no attempt had been made at sampling during an eruption. Only a v...A thermodynamic history traces temperature's effect on Universe, Earth and humans
...bronze and iron. Going further, I would reach the steam engine, the nineteenth century's great Bessemer furnaces that made steel, and finally the Nuclear Age. ... For the past 200 years, I could use as a marker the ever-lower temperatures achieved in laboratories as, one by one, all known species of gas ...Cooking sweet corn boosts disease-fighting nutrients
... hominy. Cooking sweet corn, whether you cream it, steam it or keep it on the cob, unleashes beneficial nutrients that can substantially reduce the chance of heart disease and cancer, according to Cornell University food scientists. Writing in the Aug. 14 issue of Journal of Agriculture and Food Chemistry...Scientists at the Scripps Research Institute design gene-tipped tumor regressor 'smartbombs'
...ockers, which become diffused throughout the blood steam upon injection, the nanoparticle-targeting vehicle directs itself to areas of the body where the tumors exist and where local vascular cells are expanding to form new blood vessels. The nanoparticle homes in on these cells and drops off multiple copi...Penn State engineers boost hydrogen production from fermentation
...ecovered. However, the industry later switched to steam reformation of petroleum to produce these industrial solvents when oil was cheap. "Now, that oil has become more expensive, more efficient ways to generate hydrogen, for example the continuous fermentation processing method, may help us cross the bar...Story tips from the Department of Energys Oak Ridge National Laboratory, May 2002
...very boilers, which burn organic waste to generate steam and electric power for the mills, were developing cracks. Repairs or replacements are costly, so researchers in ORNLs Metals and Ceramics Division were asked to help solve the problem. Researchers conducted studies that showed that certain alloys wer...Research highights from Pacific Northwest National Laboratory
...e Smith House central boiler plant, which provides steam and hot water to 12 housing units, covering nearly one million square feet. Developed for the U.S. Marine Corps, DSOM was first implemented at two major Corps facilities. In every installation DSOM has improved process efficiency, reduced maintenan...Zooming liquid particles show technological promise
...hemical engineering, says that by passingsaturated steam over a hydrophobic surface possessing a surface tensiongradient, droplets of water can be induced to move at the faster rates. "This phenomenon results from the combination of the surface gradientwith the fast condensation," says Chaudhury. "We had ...Report says hot steam dramatically increases ginseng's potency
... of Seoul National University in Korea. The hotter steam produced an optimal amount of biological activity from the same ginseng used in normal supplements, Park found. The higher temperature amplifies certain ginsenosides - the ingredient believed responsible for ginseng's sought-after qualities - and ge...Microbial transport at Yellowstone: by land, sea or air?
...t feed the springs. They might fly on droplets of steam rising from active vents or on bits of sediment bl...he surface, or they may have hitched a ride on the steam arising from surrounding springs. To test the latter possibility, Bonheyo and his colleagues condens......fortunately, the two most abundant volcanic gases, steam and carbon dioxide, are difficult to measure remot...s report here precise field determinations of both steam and CO2 emissions from the active Masaya volcano, Nicaragua, using an infrared spectrometer. Masaya ...