After more than a decade of inquiry, a Princeton-led team of scientists has turned the tables on a long-standing controversy to re-establish an old truth about nitrogen mixing in the oceans.
Environment
Sep 2, 2009
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Nitrite-oxidizing bacteria are key players in the natural nitrogen cycle on Earth and in biological wastewater treatment plants. For decades, these specialist bacteria were thought to depend on nitrite as their source of ...
Cell & Microbiology
Aug 29, 2014
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Like our oceans, today's continents are brimming with life. Yet billions of years ago, before the advent of plants, continents would have appeared barren. These apparently vacant land forms were believed to play no role in ...
Earth Sciences
Jun 29, 2018
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A new paper by researchers from the University of Georgia and Princeton University sheds light on the critical part played by a little-studied element, molybdenum, in the nutrient cycles of tropical forests. Understanding ...
Environment
Mar 22, 2012
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(Phys.org)—Warmer climates won't necessarily speed the return of nitrogen to soils as scientists once thought, according to a Purdue University study.
Environment
Nov 1, 2012
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Excess nitrogen is shown to disrupt coral-algae symbiosis, triggering bleaching even in the absence of heat and light stress. With coral bleaching events intensifying as global sea temperatures rise, this is an important ...
Environment
Jun 5, 2017
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Nitrogen is essential for plant growth. Despite the abundance of nitrogen in the atmosphere as N2 gas, plants must rely on a series of chemical reactions to convert atmospheric and other forms of nitrogen into usable forms. ...
Environment
May 2, 2011
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Trichodesmium is unusual among marine microbes because it both "breathes" carbon dioxide like plants, while also taking nitrogen gas from the air and "fixing" it into a fertilizer of the seas.
Environment
Mar 30, 2009
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Iron is a critical nutrient in the ocean. Its importance for algae and the nitrogen cycle has already been investigated in detail. Now, a new discovery shows that microbes also need iron to process phosphorus. A team of researchers ...
Earth Sciences
May 19, 2017
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More than 112 years ago, Fritz Haber and Carl Bosch industrialized a process that could produce ammonia from nitrogen readily available in the air, creating commercially viable chemical fertilizer capable of improving crop ...
Nanomaterials
Aug 22, 2022
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