Brent C. Christner

Feb. 29, 2008

A Connection Between Bacteria and Meteorology?

There's a good chance that pile of snow in your yard contains bacteria -- but not because it's dirty. The bacteria may have played an important role in helping those snow crystals form.

bacteria, snow, ice, clouds, cloud seeding

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Michael Pollan Talks Plants and Food

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Picture of the Week: The Sun

Photographer Alan Friedman documents the sun’s many faces using telescopes, filters, cameras, and computer software.

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