When stress boosts the collective intelligence of fish

How do animal groups adjust their collective behavior in response to sudden changes in their environment? Guy Theraulaz, Guozheng Lin, Ramón Escobedo, Xu Li, Tingting Xue (CRCA-CBI) and their colleagues have shown that groups of fish subjected to environmental stress modulate their social interactions in order to self-organize into critical states that promote their adaptability.