(Phys.org) —Nitrogen is an essential component of all living systems, playing important roles in everything from proteins and nucleic acids to vitamins. It is the most abundant element in Earth's atmosphere and is literally ...
Materials Science
Oct 28, 2014
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When we talk about global carbon fixation – "pumping" carbon out of the atmosphere and fixing it into organic molecules by photosynthesis – proper measurement is key to understanding this process. By some estimates, almost ...
Earth Sciences
Oct 21, 2014
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Because of its aggressive behavior and its harmful effects, the invasive prairie plant Lespedeza cuneata has been added to several noxious weed lists.
Ecology
Oct 8, 2014
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Plants need nitrogen and carbon to grow. Photosynthesis allows them to take in the latter directly from the air, but they have to procure nitrogen through their roots in the form of organic molecules like ammonia or urea. ...
Materials Science
Sep 26, 2014
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Algae might seem easy to ignore, but they are the ultimate source of all organic matter that marine animals depend upon. Humans are increasingly dependent on algae, too, to suck up climate-warming carbon dioxide from the ...
Earth Sciences
Aug 21, 2014
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A sulfur-oxidizing bacterial group called SUP05 will play an increasingly important role in carbon and nutrient cycling in the world's oceans as oxygen minimum zones expand, according to research published this week in the ...
Earth Sciences
Jul 23, 2014
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A new paper co-written by four University of Montana researchers finds that humans have more than doubled tropical nitrogen inputs.
Environment
May 19, 2014
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MIT chemists have devised a way to trap carbon dioxide and transform it into useful organic compounds, using a simple metal complex.
Materials Science
Mar 5, 2014
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A model, developed by a research group of the School of Forestry at the Technical University of Madrid (UPM), has shown how some types of mushrooms (such as truffles, boletus or chanterelles) associated with earthworms can ...
Ecology
Jan 13, 2014
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Innovative work by two Florida State University scientists that shows the structural and DNA breakdown of a bacteria-invading virus is being featured on the cover of the February issue of the journal Virology.
Cell & Microbiology
Jan 10, 2014
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