A libertarian inclined blog for teachers and learners of all ages. Comments, emails and links to other educational stuff welcome.

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Next entry: Homophobia was not a problem at Leeds University – student housing was
Previous entry: More about home versus school in the USA
Saturday March 08 2008

Blog and learn, and I’m thinking maybe that’s a whole new category there.

Did you know that a large percentage of snowflakes have bacteria in the middle of them?

image

Atmospheric scientists have long known that under most conditions moisture needs something to cling to in order to condense into snow and rain. A study published Friday in the journal Science shows a 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 Canada’s Yukon and found that as much as 85% of the nuclei were bacteria, he said. The bacteria finding was most common in France, followed by Montana and the Yukon, and was even present in Antarctica.

That strikes me as the kind of thing that kids might enjoy.  Maybe I’ll try it on Smart Boy next Tuesday night, and see what he thinks about this.  It’s certainly a good excuse for a picture.

I found the link in among these.