Saturday, May 28, 2011

Microbes Hitchhiking On Hailstones

Snow and ice usually form around a nucleus of dust, which helps the ice crystals aggregate--but pollen, spores and bacteria can serve as the nuclei of precipitation too. Montana State University Ph.D. student Alex Michaud discusses his search for microbes in hailstones.

Ehrinn Cummings Elena Lyons Elisabeth Röhm

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