Greener milk: How to make cow's nitrogen intake efficient
Fertilizer that fizzles in a homemade bomb could save lives around the world
A Sandia engineer who trained U.S. soldiers to avoid improvised explosive devices (IEDs) has developed a fertilizer that helps plants grow but can't detonate a bomb. It's an alternative to ammonium nitrate, ...
Apr 23, 2013
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Pioneering study calculates Arctic Ocean nutrient budget
The first study of its kind to calculate the amount of nutrients entering and leaving the Arctic Ocean has been carried out by scientists based at the National Oceanography Centre, Southampton.
Apr 09, 2013
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High rates of nitrogen fixation measured in equatorial upwelling region
Surface waters in upwelling regions of the ocean are generally rich in nutrients. Scientists had thought that these areas would have low rates of nitrogen fixation because diazotrophs-microbes that convert nitrogen gas from ...
Apr 05, 2013
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Nonnative salmon alter nitrification in Great Lakes tributaries
Ecological research leads to call to control feral pigs
Tracing nitrate in watersheds
Plants need nitrogen to grow, and nitrate is a common fertilizer ingredient, but high levels of nitrate contamination in drinking water sources can cause health problems. It is generally known that nitrogen flows through ...
Mar 15, 2013
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Study finds iron from glacial melting serves as significant source of iron to North Atlantic Ocean
(Phys.org) —A team of researchers from Woods Hole Oceanographic Institution in the US has found significant amounts of particulate iron in runoff from glacial melting in Greenland. Their paper is published ...
Mar 11, 2013
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Toxic oceans may have delayed spread of complex life
A new model suggests that inhospitable hydrodgen-sulphide rich waters could have delayed the spread of complex life forms in ancient oceans.
Feb 28, 2013
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Study finds nitrogen pollution a growing problem in China
(Phys.org)—A team of researchers with members from several countries around the world, and led by Chinese agriculturalist Fusuo Zhang has found that nitrogen deposition over China has increased by over ...
Feb 21, 2013
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Study shows pine beetle outbreak buffers watersheds from nitrate pollution
Greenland ice sheet carries evidence of increased atmospheric acidity
(Phys.org)—Research has shown a decrease in levels of the isotope nitrogen-15 in core samples from Greenland ice starting around the time of the Industrial Revolution. The decrease has been attributed to ...
Dec 07, 2012
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The 'slippery slope to slime': Overgrown algae causing coral reef declines
(Phys.org)—Researchers at Oregon State University for the first time have confirmed some of the mechanisms by which overfishing and nitrate pollution can help destroy coral reefs – it appears they allow ...
Sep 19, 2012
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Ancient diatoms could make biofuels, electronics and health food—at the same time
Diatoms, tiny marine life forms that have been around since the dinosaurs, could finally make biofuel production from algae truly cost-effective – because they can simultaneously produce other valuable products such as ...
Sep 17, 2012
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Silver nanoparticle synthesis using strawberry tree leaf
A team of researchers from Greece and Spain have managed to synthesize silver nanoparticles, which are of great interest thanks to their application in biotechnology, by using strawberry tree leaf extract. ...
Jul 11, 2012
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