Brent C. Christner

Feb. 29, 2008

A Connection Between Bacteria and Meteorology?

There's a good chance that pile of snow in your yard contains bacteria -- but not because it's dirty. The bacteria may have played an important role in helping those snow crystals form.

bacteria, snow, ice, clouds, cloud seeding

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Michael Pollan Talks Plants and Food

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How Humpbacks Hunt With Bubbles

Humpback whales blow bubbles around schools of fish to concentrate them for easier capture. It's called a bubble net, says David Wiley, research coordinator for Stellwagen Bank National Marine Sanctuary, and it's visible as a ring of bubbles at the surface. Now, with underwater digital tracking tags and custom visualization software, whale researchers can see what the whales are doing underwater when they're bubble-netting.

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