Slow but sure -- Burned forest lands regenerate naturally
...and research organizations. Fire suppression and fuel buildups, among other possible causes, have led to an increasing frequency and severity of forest fire in the western United States, the researchers said. Between 1970 and 2004, more than 600 wildfires burned over 20 million acres in Oregon and Calif...UCLA identifies new molecule involved in the body's processing of dietary fat
...tal muscles and heart tissues that are hungry for fuel or to adipose tissue for energy storage. Molecules called proteoglycans, attached to the inside walls of capillaries, wait like baseball players with their mitts open, poised to catch the passing chylomicrons. Proteoglycans hold the chylomicro...Alternative-fuels pioneer receives first-ever $100,000 Lemelson-MIT Award for Sustainability
...ess Toward a Big Idea In the United States today, fuel ethanol is derived from corn, which is available i...ompound on the face of the Earth and production of fuel from cellulosic biomass displaces far more fossil fuel than is required to produce it. Lynd has i...Cells selectively absorb short nanotubes
... Eyed for uses ranging from electronic displays to fuel cells to water filtration, SWCNTs are tiny cylindersessentially single-sheet rolls of carbon atoms. They are many times stronger than steel and possess superlative thermal, optical and electronic properties, but safety and biocompatibility remain an ...ACS News Service Weekly PressPac -- March 28, 2007
...hromium toxicity in industrial waste Antidote for fuel cell poisoning: Gold and Silver Nanoparticles To...arch 28, at 9:35 a.m. Central Time Antidote for fuel cell poisoning: Gold and Silver Nanoparticles With hydrogen emerging as the most promising energ...ACS News Service Weekly PressPac -- March 21, 2007
...renewable alternative to the costly platinum-based fuel cells that have dominated discussion about the hyd... cite the new devices advantages over conventional fuel cells, which convert chemical energy in a fuel into electricity without combustion. Platinum is the ...Removing a hydrogen fuel-cell roadblock
...e cheap and plentiful hydrogen and oxygen gas, the fuel cell generates electricity and the by-product is s...ater vapor or carbon monoxide, it can "gum up" the fuel cells separation membrane, dropping efficiency or halting the process altogether. Pure hydrogen, how...'Juiced-up' battery fueled by sugar could power small portable electronics
...aint Louis University in Missouri have developed a fuel cell battery that runs on virtually any sugar sour...so cleaner for the environment. Using sugar for fuel is not a new concept: Sugar in the form of glucose supplies the energy needs of all living things. W...Volcanic plumbing dictates development of deep-sea hydrothermal vents
... predicted that magma production alone is vital to fuel hydrothermal vents, or the hot smokers where microorganisms such as the Archaea thrive. These new findings indicate that the volcanic-plumbing system better explains why one volcano hosts hot smokers, while another does not, Toomey said. We've had ...Story tips from the Department of Energy's Oak Ridge National Laboratory, March 2007
...ws promise for other applications as well, such as fuel cells, batteries and other energy storage and conversion technologies. [Contact: Larisa Brass, (865) 574-4163; brasslm@ornl.gov ] ENVIRONMENT -- Leaf litter revelation . . . Freshly fallen leaves contribute less to the levels of carbon in mine...Soy found protective against localized prostate cancer
...h to inhibit production of testosterone, which can fuel prostate cancer. When tumors lose all of their estrogen receptors and stop responding to isoflavone-induced hormonal interference, they grow aggressively. "A broad body of research is required to clarify the timing and period of isoflavones' preven...Researchers create artificial enzyme that mimics the body's internal engine
...oxygen to water may even be useful to the study of fuel cells-very efficient power sources that convert ch... catalysts to do that reduction, we can get better fuel cells," Devaraj explained....Solar energy conversion offers a solution to help mitigate global warming
...ur energy comes from fossil fuels. However, fossil fuel resources are of finite extent and are distributed unevenly beneath Earth's surface. When fossil fuel is turned into useful energy through combustion, it often produces environmental pollutants that are...2-step process filters evolution of genes of human and chimpanzee
...said. "Since beneficial changes are the ones that fuel evolution, we wanted to find out if these improvements are smooth or jerky." When Wu and colleagues sorted these changes according to their evolutionary success, they found that radical changes were more harshly screenednegatively and positivelyby ...Tests to reveal levels of depleted uranium in army personnel
...from the manufacture of enriched uranium, used for fuel in nuclear reactors or in weapons. It is 60 per cent as radioactive as natural uranium. Because of its hardness, it has been used in engineering projects, as well as in the construction of military tanks and anti-tank weapons, such as those used in...Genome sequencing reveals key to viable ethanol production
...ducing super-organisms that can make clean-burning fuel from the nations one billion unused tons of yearly biomass production. "This is the first revelation of how a bacterium chooses from its more than 100 enzymes to break down a particular biomass," says David H. Wu, professor in the Department of Chem...Magnetic resonance microscopy research lands professor NSF award
... in size. Sarah Codd's work assists research on fuel cells, medical catheters and the cleanup of contam... by MSU professor Stephen Sofie in his research on fuel cells. Codd, with Phil Stewart, director of MSU's Center of Biofilm Engineering, looks inside tiny c...ALTRAN: Industry experts address technology challenges at Altran Innovation Conference
...ce transport, nuclear fission and fusion, hydrogen fuel and fuel cells amongst others. In his address to the conference, Mr du Chaisemartin highlighted the need ...The last wild hunt -- Deep-sea fisheries scrape bottom of the sea
...ologists will call for the abolition of government fuel subsidies that keep deep-sea fishing vessels movin...sidies to a fleet that burns 1.1 billion liters of fuel annually to maintain paltry catches of old growth fish from highly vulnerable stocks, while destroyi...UGA researcher receives grant to study risks of jet fuel exposure
...determine the levels at which the compounds in jet fuel become harmful. Fisher said jet fuel exposure is probably the most common chemical exposure to military personnel and civilians working o...