It could never be found until recently, in a fish tank a few floors below Radboud University's microbiology department: one single organism able to perform the complete process of nitrification. Microbiologists used to think ...
Cell & Microbiology
Nov 27, 2015
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65
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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0
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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0
A decades-long debate over how nitrogen is removed from the ocean may now be settled by new findings from researchers at Princeton University and their collaborators at the University of Washington.
Earth Sciences
Apr 11, 2014
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0
Extensive, explosive volcanic eruptions may disrupt a crucial aspect of the global nitrogen cycle, say researchers who have investigated ash deposits on the ocean floor.
Environment
Apr 7, 2014
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1
The ocean the Titanic sailed through just over 100 years ago was very different from the one we swim in today. Global warming is increasing ocean temperatures and harming marine food webs. Nitrogen run-off from fertilizers ...
Earth Sciences
Jun 14, 2013
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0
As ice sheets melted during the deglaciation of the last ice age and global oceans warmed, oceanic oxygen levels decreased and "denitrification" accelerated by 30 to 120 percent, a new international study shows, creating ...
Earth Sciences
Jun 3, 2013
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0
A new model suggests that inhospitable hydrodgen-sulphide rich waters could have delayed the spread of complex life forms in ancient oceans.
Earth Sciences
Feb 28, 2013
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0
The tiny phytoplankton Emiliania huxleyi, invisible to the naked eye, plays an outsized role in drawing carbon from the atmosphere and sequestering it deep in the seas. But this role may change as ocean water becomes warmer ...
Earth Sciences
Oct 13, 2011
1
0
Six of our nine planetary boundaries have now been crossed—and industrial agriculture are the main culprit. That is what a team of scientists under Johan Rockström reported in an article published in September..
Ecology
Jan 4, 2024
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