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Lazy ants make themselves useful in unexpected ways [Phys]

par Frédéric Magné - publié le

In a new paper, published in the open-access journal PLOS ONE, authors Charbonneau, Takao Sasaki of the University of Oxford and Dornhaus show for the first time that inactive ants can act as a reserve labor force. When they removed the top 20 percent of most active workers, they found that within a week, they were replaced mostly by individuals belonging to the "lazy" demographic, which stepped up and increased their activity levels to match those of the lost workers.

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