Scientists fit another piece of global-warming puzzle: Bacteria smaller than a speck are identified as food for plankton plants, which break down carbon dioxide.(USA)

From: The Christian Science Monitor | Date: August 9, 2001 | Copyright information

Byline: Robert C. Cowen Special to The Christian Science Monitor

Tiny, previously unknown bacteria are turning out to be key sustainers of ocean life and its ability to sequester global-warming carbon dioxide.

Like the bacteria that live on the roots of peas and beans, these marine microbes take nitrogen from the air and "fix" it in chemical forms that fertilize plants.

Microscopic marine plants feed microscopic animals. This mix of floating o...

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