Toxic oceans may have delayed spread of complex life
A new model suggests that inhospitable hydrodgen-sulphide rich waters could have delayed the spread of complex life forms in ancient oceans.
Feb 28, 2013
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Feb 28, 2013
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Warmer climates don't necessarily mean more fertile soils, study says
(Phys.org)—Warmer climates won't necessarily speed the return of nitrogen to soils as scientists once thought, according to a Purdue University study.
Nov 01, 2012
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Researchers explore plankton's shifting role in deep sea carbon storage
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 ...
Oct 13, 2011
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Deep-Sea Microbes May Answer Long-Standing Question About Earth's Nitrogen Cycle
(PhysOrg.com) -- Scientists have identified an unexpected metabolic ability in a symbiotic community of deep-sea microorganisms. It may help solve a lingering mystery about the world's nitrogen cycle.
Oct 15, 2009
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