News tagged with nutrient content
Hearty bacteria help make case for life in the extreme
(PhysOrg.com) -- The bottom of a glacier is not the most hospitable place on Earth, but at least two types of bacteria happily live there, according to researchers.
Jan 19, 2012 |
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Warmer climate entails increased release of carbon dioxide by inland lakes
Much organically bound carbon is deposited on inland lake bottoms. A portion remains in the sediment, sometimes for thousands of years, while the rest is largely broken down to carbon dioxide and methane, which are released ...
Space & Earth / Earth Sciences
Jul 21, 2010 |
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People of higher socioeconomic status choose better diets -- but pay more per calorie
As people become more educated, studies have demonstrated that they tend to choose foods that are lower in calories but higher in nutrients. They also pay more. In a study published in the May 2009 issue of the Journal of ...
May 01, 2009 |
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Winter sports threaten indigenous mountain birds
In the winter months, the mountain ranges of central Europe attract thousands of tourists for skiing, snowboarding and other outdoor sports, but conservationists fear this annual invasion may threaten indigenous bird species, ...
Jan 11, 2011 |
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Higher carbon dioxide may give pines competitive edge
(PhysOrg.com) -- Pine trees grown for 12 years in air one-and-a-half times richer in carbon dioxide than today's levels produced twice as many seeds of at least as good a quality as those growing under normal ...
Aug 03, 2009 |
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Breeding soybeans for improved feed
Modifying soybean seed to increase phosphorus content can improve animal nutrition and reduce feed costs and nutrient pollution. However, further research is needed to commercialize this valuable technology. Knowledge of ...
Sep 16, 2011 |
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With feedlot manure, it pays to be precise
The same precision farming techniques that work with crops can work with manure management on cattle feedlots, according to U.S. Department of Agriculture (USDA) scientists.
Jun 02, 2011 |
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From grass to water, Chesapeake Bay experts differ on meaning of 'clean'
After a recent rain, Baltimore's Inner Harbor is clogged with an eclectic combination of garbage -- soda bottles and a large purple ball, sticks and dirt, candy wrappers and a hollowed-out television.
Sep 29, 2009 |
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Ultra-fine coatings on sediment grains influence nitrate and sulfate storage in soil
Tiny sediment grains are covered with a very fine-grained, complex mixture of minerals in an open fabric that results in a large surface area in contact with water between the grains. Scientists at the U.S. Geological Survey ...
Feb 23, 2009 |
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