Computer games for fish uncover why some prey lead and others follow
(PHYSorg.com Biology)

For the first time, researchers have shed new light on the evolution of different social roles within animal groups by exploring how fish predators target and attack groups of virtual prey. The study, led by the universities of Bristol and Oxford and published today [Monday 15 April] in the journal PNAS, found leaders in groups of animals are more vulnerable to attack from predators.