Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain
the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in
Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles
Some animals, such as ants and termites, cooperate in a variety of ways to perform tasks. To test whether partially informed individuals can pool their experiences, Mike Webster and his colleagues at the University of St Andrews, UK, challenged groups of threespine stickleback fish (Gasterosteus aculeatus) with two tasks: swimming through an environment towards a green light, and then entering a box through a small hole to find food.