ScienceDaily: Top Environment News |
| Swarm intelligence: New collective properties of swarm dynamics uncovered Posted: 15 Mar 2013 06:59 AM PDT A new study of animal swarms uncovers some new features of their collective behavior when overcrowding sets in. Swarming is the spontaneous organized motion of a large number of individuals. It is observed at all scales, from bacterial colonies, slime molds and groups of insects to shoals of fish, flocks of birds and animal herds. Now physicists have uncovered new collective properties of swarm dynamics.  |
| Suicidal bacteria: Unicellular organisms occasionally poison themselves with a toxin Posted: 15 Mar 2013 04:46 AM PDT The cyanobacterium Synechocystis produces toxins that often lead to its own demise. Biologists have now determined the logic governing this mechanism..  |
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