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News Release 09-201

Deep-Sea Microbes May Answer Long-Standing Question About Earth's Nitrogen Cycle

Sediment samples from methane cold seeps off California shed light on mystery

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3-D fluorescence in situ hybridization (FISH) image of symbiotic microbes from the deep sea.

3-D fluorescence in situ hybridization (FISH) image of symbiotic microbes from the deep sea.

Credit: Victoria Orphan, Caltech


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Photo of Anne Dekas collecting methane-seep sediments from the deep-sea submersible Alvin.

Scientist Anne Dekas collects methane-seep sediments from the deep-sea submersible Alvin.

Credit: Victoria Orphan, Caltech


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Photo showing cores retrieving deep-ocean methane-seep sediment beneath white bacterial mats.

Cores retrieve deep-ocean methane-seep sediment beneath white bacterial mats.

Credit: Victoria Orphan, Caltech


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Photo of a core from a deep-sea methane seep and clam bed collected by scientists aboard Alvin.

A core from a deep-sea methane seep and clam bed collected by scientists aboard Alvin.

Credit: Victoria Orphan, Caltech


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Cover of October 16, 2009 Science magazine

The researchers' findings appear in the Oct. 16, 2009, issue of Science magazine.

Credit: Copyright 2009 AAAS


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