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How bacteria use private social networks
San Francisco Business Times

Bacteria probably don’t jump to mind when you think of social creatures. After all they do not speak, and they sure don’t post messages or pictures on Facebook. But recent research from Lawrence Berkeley National Laboratory shows that they do, indeed, form their own sort of “social networks.” A single cell bacterium, Myxococcus xanthus, which flourishes in soil, forms connections with others of its kind when in close contact, and uses those links to communicate important information, such as how not to get killed by its enemies.