News tagged with deposition
Elevated CO2 levels may mitigate losses of biodiversity from nitrogen pollution
Dec 03, 2009 |
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Rising levels of carbon dioxide may overheat the planet and cause other environmental problems, but fears that rising CO2 levels could directly reduce plant biodiversity can be allayed, according to a new study by a University ...
Panasonic Develops A Gallium Nitride (GaN) Inverter IC for Motor Drive with High Efficiency
Dec 08, 2009 |
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Panasonic today announced the development of a Gallium Nitride (GaN) -based monolithic inverter integrated circuit (IC) for motor drive. The integrated six GaN-based transistors can be independently driven ...
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Growing Europe's nanowires
Dec 16, 2009 |
4.5 / 5 (2) |
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(PhysOrg.com) -- European researchers have developed state-of-the-art nanowire 'growing' technology, opening the way for faster, smaller microchips and creating a promising new avenue of research and industrial ...
Diet high in methionine could increase risk of Alzheimers
Dec 16, 2009 |
3.2 / 5 (10) |
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(PhysOrg.com) -- Temple study suggests that an amino acid found in red meats, fish, beans and other foods may increase possibility of dementia.
Late-surviving megafauna exposed by ancient DNA in frozen soil
Dec 15, 2009 |
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Extinct woolly mammoths and ancient American horses may have been grazing the North American steppe for several thousand years longer than previously thought. After plucking ancient DNA from frozen soil in ...
Story of 4.5 million-year-old whale unveiled in Huelva
Other Sciences / Archaeology & Fossils
Dec 15, 2009 |
4.3 / 5 (3) |
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In 2006, a team of Spanish and American researchers found the fossil remains of a whale, 4.5 million years old, in Bonares, Huelva. Now they have published, for the first time, the results of the decay and ...
Muscling in on a mystery protein: Study of brawny pigs reveals key player in the genome
Dec 15, 2009 |
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(PhysOrg.com) -- For thousands of years, humans have bred pigs for desirable traits, such as more muscle and less fat in the meat. Domestication makes animals ideal models for studying how genes control physical ...
New structure could produce efficient semiconductor laser sources
Dec 14, 2009 |
4.7 / 5 (3) |
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(PhysOrg.com) -- University of Wisconsin-Madison researchers have achieved a nanoscale laser structure they anticipate will produce semiconductor lasers in the next two years that are more than twice as efficient ...
Researchers learn why invasive plants are spreading rapidly in forests
Dec 10, 2009 |
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(PhysOrg.com) -- Invasive plants are advancing into Eastern forests at an alarming rate, and the rapid spread has been linked by researchers in Penn State's College of Agricultural Sciences to forest road ...
Low-density lipoprotein receptor reduces damage in Alzheimer's brain
Medicine & Health / Neuroscience
Dec 09, 2009 |
5 / 5 (1) |
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The low-density lipoprotein receptor (LDLR) has received a lot of attention because of its connection with coronary heart disease and atherosclerosis, but now it appears as if it may have a beneficial influence in degenerative ...
Study reveals how Arctic food webs affect mercury in polar bears
Dec 08, 2009 |
3 / 5 (2) |
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With growing concerns about the effects of global warming on polar bears, it's increasingly important to understand how other environmental threats, such as mercury pollution, are affecting these magnificent Arctic animals.
New computer model could lead to safer stents
Dec 07, 2009 |
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After suffering heart attacks, patients often receive stents designed to hold their arteries open. Some of these stents release drugs that are meant to halt tissue growth in arteries, but can have life-threatening side effects ...
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