Every year, nitrogen-metabolizing bacteria in the soil and seas churn out more than ten billion kilograms of nitrous oxide (N2O) gas as they respire in these oxygen-deficient environments.
Biochemistry
Mar 7, 2011
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Olduvai Gorge is a steep-sided ravine on the edge of the Serengeti Plain, East Africa, and is home to some of the world's most important fossil hominins. Geologists are investigating the chemical composition of carbonate ...
Earth Sciences
Oct 6, 2010
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(PhysOrg.com) -- Experiments prompted by a 2008 surprise from NASA's Phoenix Mars Lander suggest that soil examined by NASA's Viking Mars landers in 1976 may have contained carbon-based chemical building blocks of life.
Space Exploration
Sep 3, 2010
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(PhysOrg.com) -- Two lines of pest-resistant soybean painstakingly developed by a Michigan State University scientist promise healthier harvests for growers and a little green for the university too.
Other
Aug 2, 2010
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Nothing against bloodhounds, but finding bodies buried by someone who wanted them to stay undiscovered can be difficult. However a new technique developed by scientists at the National Institute of Standards and Technology, ...
Analytical Chemistry
Jul 30, 2010
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A University of Missouri doctoral student has developed a technique that uses digital imaging of soil samples to take some of the guesswork out of wetland identification.
Environment
Jun 7, 2010
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The next generation of Mars rovers could have smaller, cheaper, more robust and more sensitive life-detecting instruments, thanks to a new invention by scientists at the U.S. Department of Energy's Idaho National Laboratory.
General Physics
May 24, 2010
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(PhysOrg.com) -- Researchers have developed the Cornell Soil Health Test to evaluate soil response to management on different types of land. It's intended to assess changes due to gas drilling work.
Environment
Apr 1, 2010
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University of Delaware researchers have uncovered a novel means of conquest employed by the common reed, Phragmites australis, which ranks as one of the world's most invasive plants.
Ecology
Dec 23, 2009
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Sinuous channels on the Martian surface may be evidence of relatively recent rainfall. Researchers plan to test this hypothesis by studying sinuous streams on Earth.
Space Exploration
Dec 10, 2009
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