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Rising ocean temperatures, pollution have oysters in hot water
Oysters exposed to high water temperatures and a common heavy metal are unable to obtain sufficient oxygen and convert it to cellular energy. view more (2006-10-11)
Solar energy: Charged for the future
Once regarded as costly and impractical, solar technology is now poised to play a larger role in the future, thanks to new developments that could result in lower costs and improved efficiency. view more (2006-09-11)
Tiny crystals promise big benefits for solar technologies
Los Alamos National Laboratory scientists have discovered that a phenomenon called carrier multiplication, in which semiconductor nanocrystals respond to photons by producing multiple electrons, is applicable to a broader array of materials that previously thought. view more (2006-01-05)
Stengthening the glow of nanotube luminescence
Nanotubes are the poster children of the nanotechnology revolution. These tiny carbon tubes - less than 1/50,000 the diameter of a human hair - possess novel properties that have researchers excitedly exploring dozens of potential applications ranging from transistors to space elevators. view more (2005-11-15)
Global warming increases oyster sensitivity to pollution
Do you enjoy eating oysters on a hot sunny afternoon? Make the most of it - it may not last forever. Research has shown that global warming increases the sensitivity of oysters to metal pollution, causing a deadly threat to populations in polluted areas. view more (2005-07-12)
Solar cell manufacturing process examined with a view to increasing cell efficiency
Electricity generated from solar cells is often quoted as being the solution to our climate problems. Unfortunately, this method of energy generation is quite inefficient. Overcoming this inefficiency is key to the widespread commercial acceptance of solar energy. view more (2006-04-03)
Method slashes quantum dot costs by 80 percent
In an important advance toward the large-scale manufacture of fluorescent quantum dots, scientists at Rice University have developed a new method of replacing the pricey solvents used in quantum dot synthesis with cheaper oils that are commonplace at industrial chemical plants. view more (2005-09-08)
Nanomanufacturing: Systematic study of nanostructure growth yields production 'road map'
Researchers have taken an important step toward high-volume production of new nanometer-scale structures with the first systematic study of growth conditions that affect production of one-dimensional nanostructures from the optoelectronic material cadmium selenide (CdSe). view more (2005-11-01)
Sandia researchers seek ways to make lithium-ion batteries work longer, safer
As part of the Department of Energy-funded FreedomCAR program, Sandia National Laboratories' Power Sources Technology Group is researching ways to make lithium-ion batteries work longer and safer. view more (2006-01-17)
Nanoporous 'sponge' removes mercury from offshore produced waters
Contaminated water resulting from offshore oil and gas platform drilling contains mercury and other toxic heavy metals. view more (2006-03-30)
New fertilizer SRM can help control heavy metal content
A new reference material developed by the National Institute of Standards and Technology (NIST) can help the agriculture industry and state regulators monitor the concentrations of several potentially hazardous heavy metal contaminants in fertilizers. view more (2006-10-13)
Carbon-based quantum dots could mean 'greener' safer technology in medicine and biology
Chemists at Clemson University say they have developed a new type of quantum dot that is the first to be made from carbon. view more (2006-05-24)
Researchers make nanosheets that mimic protein formation
University of Michigan researchers have discovered a way to make nanocrystals in a fluid assemble into free-floating sheets the same way some protein structures form in living organisms. view more (2006-10-13)
'Thin-layer' solar cells may bring cheaper 'green' power
Scientists are researching new ways of harnessing the sun's rays which could eventually make it cheaper for people to use solar energy to power their homes. view more (2007-08-24)
Snails snack on poison metals
SOILS tainted with heavy metals from industrial pollution and sewage sludge may poison organisms that live in the soil far more readily than thought. The finding raises fears that unexpectedly high levels of toxins are getting into the food chain. Contaminated soils are given hazard ratings that... view more (2002-12-18)
Metal homeostasis research in plants will lead to nutrient-rich food and higher yielding crops
Deficiencies of micronutrients such as Iron and Zinc commonly limit plant growth and crop yields. Dartmouth Professor Mary Lou Guerinot is conducting research to better understand the mechanisms of micronutrient uptake, distribution and regulation. view more (2006-08-07)
New nanostructured thin film shows promise for efficient solar energy conversion
In the race to make solar cells cheaper and more efficient, many researchers and start-up companies are betting on new designs that exploit nanostructures--materials engineered on the scale of a billionth of a meter. view more (2008-01-09)
Sunflowers that love heavy metal
Sunflowers take up uranium twice or even three times better than their maize and soybean counterparts, making them a top 'clean crop' for removing toxic metals from the environment. Scientists at the Centre for Pesticides and Environmental Research, Yugoslavia, studied growth and uranium uptake in... view more (2001-04-01)
Scientists Reveal The Dangers of Counterfeit Cigarettes
Scientists at the Universities of Glasgow and St Andrews have discovered high levels of a cancer-causing toxic metal in counterfeit cigarettes, widely available in the UK. The fakes are not only illegal but pose an extra health hazard to smokers buying them. The discovery was made when examining... view more (2004-12-15)
Heavy Metal Rocks Plant Cells too
Heavy metals can trigger widely varying stress reactions in plants. A team at the Campus Vienna Biocenter was now able to provide evidence for this in a research funded by the Austrian Science Fund (FWF). The results, now awaiting publication, are an important basis to comprehend how plants cope... view more (2004-09-22)
Argonne researchers confirm lead as cause of Beethoven's illness
Researchers at the U.S. Department of Energy's Argonne National Laboratory have found massive amounts of lead in bone fragments belonging to 19th Century composer Ludwig von Beethoven, confirming the cause of his years of chronic debilitating illness. view more (2005-12-08)
Greenhouse gas burial
Deep coal seams that are not commercially viable for coal production could be used for permanent underground storage of carbon dioxide (CO2) generated by human activities, thus avoiding atmospheric release. view more (2007-06-26)
Scientists create world's most efficient light-bulb
Scientists have successfully produced the most efficient light bulb ever - but on the microscopic scale. Researchers at Trinity College, Dublin have discovered a technique which significantly improves the output of light from quantum dots, and also allows their light to be focussed and manipulated... view more (2003-08-27)
Gold nanoparticles help detect a toxic metal -- mercury
With gold nanoparticles, DNA and some smart chemistry as their tools, scientists at Northwestern University have developed a simple "litmus test" for mercury that eventually could be used for on-the-spot environmental monitoring of bodies of water, such as rivers, streams, lakes and... view more (2007-04-27)
Scientists use llama droppings to help combat water pollution
Scientists from Newcastle University are using llama droppings to help combat environmental problems caused by polluted water seeping from abandoned silver and tin mines in the Bolivian Andes. The project is being spearheaded by Paul Younger, Professor of Hydrogeochemical Engineering at Newcastle... view more (2002-01-30)
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