National Geographic News, Reporting Your World Daily

Thursday, October 28, 2010

Photo: Rainmaking Bacteria Ride Clouds to "Colonize" Earth?


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Rainmaking bacteria that live in clouds (such as these over Tegucigalpa, Honduras) may help create rain and other precipitation as a way to disperse themselves worldwide, a 2008 study found.

The research gives scientists a first glimpse into the link between biology and climate, and into how the tiny organisms globe-trot with the weather cycle.

Photograph by David Alan Harvey