The phoenix effect

Article Abstract:

A spore-forming bacterium was found to escape from social collapse and extinction with a single mutation that has dramatic effect. It was this effect that led to the rapid dominance of the Phoenix mutant and one can speculate that it might also explain adaptations that police cheating in other societies.

Canada, Spores (Bacteria), Bacterial spores, Myxobacterales, Myxobacteria

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Clusters of ant colonies and robust criticality in a tropical agroecosystem

Article Abstract:

The formation of clusters of ant colonies and groups by the common species of a tropical agroecosystem is discussed. The sizes of these clusters are found to fall off as a power law, exhibiting a robust critical state.

Behavior, Environmental aspects, Observations, Agricultural ecosystems, Agroecosystems

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Worker nepotism among polygynous ants

Article Abstract:

A good example of extreme cooperation are societies of insects. However, their social life also involves the seeking of self-serving interests by members of the society.

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