Image scoring and cooperation in a cleaner fish mutualism

Article Abstract:

Communication network theory provide a framework for indirect reciprocity based on image scoring, which involves collecting information on interactions between third parties where the information gained provides direct benefits to the bystander. An experimental evidence to that effect is provided in a cleaning mutualism involving the cleaner fish Labroides dimidiatus.

United States, Environmental aspects, Altruistic behavior in animals, Animal altruistic behavior, Perciformes

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The puzzle of human cooperation

Article Abstract:

Throughout the tropics, forest fires are expanding not only in their magnitude, but also in frequency. Constantly eroding the fragmented edges of forests, such fires are unplanned ecological disturbances that transcend deforestation to erode substantial regions of standing forest, lessening ecosystem services as well as these natural resources' economic potential.

Rain forests, Forest fire research

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Three-dimensional imaging of atomic four-body processes

Article Abstract:

Analysis of the collision process between atomic particles will provide important clues to the yet-unsolved few-body problem. A new theoretical model resulting from the complete electron emission pattern for the single ionization of helium by the impact of a four-body system is described.

Atomic physics, Theoretical physics

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