As I sit and watch the snow fall, I find this article very intriguing. It’s pretty common knowledge that need seeding, the results of which tend to be either rain or snow, or something in between. I’m used to thinking of the seeding material, or aerosols, as being very small bits of dust, non-biological dust. But, apparently, contribute to the aerosol composition, as well as and . In fact, it seems that the presence of tends to cause to freeze out at a higher , and scientists think this is part of a strategy that the use to attack their hosts. In one case, can cause on plants to freeze at a higher , causing the plants to suffer tissue damage, making it easier for the to feed.

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