Скачать или смотреть Bioprecipitation: How Bacteria Makes Snow

Raindrops and snowflakes generally start to form around something else in the air, like a speck of dust, but sometimes that something else is bacteria.

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Sources:

https://www.nasa.gov/audience/forstud...
http://www.nature.com/news/2008/08022...
http://science.sciencemag.org/content...
http://www.bbc.com/news/science-envir...
http://www.montana.edu/news/15232/roc...
http://onlinelibrary.wiley.com/doi/10...
https://www.livescience.com/14299-bac...
https://www.livescience.com/2333-eart...
http://onlinelibrary.wiley.com/doi/10...
http://www.sciencemag.org/news/2016/0...

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https://svs.gsfc.nasa.gov/11685
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