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The cold may NOT cause you to get sick, but the snow will..
Up to 85% of snowflakes are nucleiated by bacteria in the air.
http://edition.cnn.com/2008/TECH/sc...8/snow.bugs.ap/
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Study: Snowflakes may contain bacteria Story Highlights -Rain and snow need something to bind to in order to condense -Often times, a bacteria harmful to plants serves as that binder -The study was supported by a Louisiana State University research grant -The most common bacteria found was Pseudomonas syringae WASHINGTON (AP) -- Those beautiful snowflakes drifting out of the sky may have a surprise inside -- bacteria. Most snow and rain forms in chilly conditions high in the sky and atmospheric scientists have long known that, under most conditions, the moisture needs something to cling to in order to condense. Now, a new study shows a surprisingly large share of those so-called nucleators turn out to be bacteria that can affect plants. "Bacteria are by far the most active ice nuclei in nature," said Brent C. Christner, an assistant professor of biological sciences at Louisiana State University. Christner and colleagues sampled snow from Antarctica, France, Montana and the Yukon and they report their findings in Friday's edition of the journal Science. In some samples as much as 85 percent of the nuclei were bacteria, Christner said in a telephone interview. The bacteria was most common in France, followed by Montana and the Yukon, and was even present to a lesser degree in Antarctica. The most common bacteria found was Pseudomonas syringae, which can cause disease in several types of plants including tomatoes and beans. The study found it in 20 samples of snow from around the world and subsequent research has also found it in summer rainfall in Louisiana. The focus on Pseudomonas in the past has been to try and eliminate it, Christner said, but now that it turns out to be a major factor in encouraging snow and rain, he wonders if that is a good idea. Would elimination of this bacteria result in less rain or snow, or would it be replaced by other nuclei such as soot and dust? "The question is, are they a good guy or a bad guy," he said, "and I don't have the answer to that." What is clear is that Pseudomonas is effective at getting moisture in a cloud to condense, he pointed out. Killed bacteria are even used as an additive in snow making at ski resorts. Which raises the question, Christner said, of whether planting crops known to be infected by Pseudomonas in areas experiencing drought might help increase precipitation there by adding more nuclei to the atmosphere. It has been known that microbes and insects and algae blow around in the atmosphere, Christner added, "but the atmosphere has not been recognized as a place where things are active. That has been changing in the last decade. In a cloud you've got water, organic carbon," everything necessary to support a microorganism. Virginia K. Walker, a biologist at Queen's University in Kingston, Ontario, Canada, said other researchers have found bacteria serving as snow nuclei, but had not identified it as Pseudomonas. "It's one of those great bacteria ... you can find them anywhere," said Walker, who was not part of the research team. "They are really interesting." Charles Knight, a cloud physics expert at the National Center for Atmospheric Research in Boulder, Colo., wasn't surprised by the finding, however. At relatively warm temperatures of just a few degrees below freezing, bacteria are "remarkably effective" at attracting ice formation, said Knight, who also was not part of the research group. The study was supported by a Louisiana State University research grant. |
don't eat yellow snow
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| Originally posted by Yohan don't eat yellow snow |
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| Originally posted by Yohan don't eat yellow snow |
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| Originally posted by StereoPrincess don't eat any snow. |
interesting. Thanks StereoPrincess
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| Originally posted by Yohan don't eat yellow snow |
i shoveled this morning with my parents. the snow was up to my fucking WAIST. my WAIST!!!!!!11
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| Originally posted by Irishaddict i shoveled this morning with my parents. the snow was up to my fucking WAIST. my WAIST!!!!!!11 |
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| Originally posted by Irishaddict i shoveled this morning with my parents. the snow was up to my fucking WAIST. my WAIST!!!!!!11 |
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| Originally posted by chinamon so there was only about a foot of snow out there? |
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| Originally posted by Irishaddict i shoveled this morning with my parents. the snow was up to my fucking WAIST. my WAIST!!!!!!11 |
like i need any more reasons to hate snow
Another discovery by captain obvious...
... I wonder how come they didn't discover this in the same time when they concluded that rain water is not drinkable
lol...snow to the waist and kneees.
my lawn is covered with a 5 1/2 foot snow mountain. (edit: iceberg...can't even pry this son of a ***%% apart)
I forecast that by June it should melt completely 
keep your immune system strong and you'll be fine.....even if you eat yellow/orange snow....I don't know about red snow
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| Originally posted by jeeper_095 Another discovery by captain obvious... ... I wonder how come they didn't discover this in the same time when they concluded that rain water is not drinkable |
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| Originally posted by StereoPrincess ummm, do you even know what you are talking about? the size of bacteria is thousands times smaller than dust particles and anything else floating around. It is a big discovery that bacteria can act as nuclei for snow. And it also is an important discovery that the bacteria is harmful. |
Bear Grylls is way ahead of you on this one...
correction: Bear Grylls does drink 'melted' snow... does not die...
hi ian!
This will make a great movie plot (lol)
We have scary acid rain movies, we have killer fog movies, and so we will now have deadly bacteria snow movies!! 
hmmm...i wonder what ppl from Quebec would think of this...they love to eat maple syrup poured onto "fresh" snow hehehe
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| Originally posted by StereoPrincess hi ian! |
Re: The cold may NOT cause you to get sick, but the snow will..
No need to panic though unless you're a tomato or bean plant.
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| The most common bacteria found was Pseudomonas syringae, which can cause disease in several types of plants including tomatoes and beans. |
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