Tuesday, June 24, 2014

Emergence of bacterial vortex explained

When a bunch of B. subtilis bacteria are confined within a droplet of water, a very strange thing happens. The chaotic motion of individual swimmers spontaneously organizes into a swirling vortex, with bacteria on the outer edge of the droplet moving in one direction while those on the inside move the opposite direction. Researchers have now explained for the first time how that dual-motion vortex is generated.



from Geochemistry News -- ScienceDaily http://ift.tt/UGOlaY

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