%0 Journal Article %T Negative feedback: ants choose unoccupied over occupied food sources and lay more pheromone to them %A Nico Kleinhoelting %A Stephanie Wendt %A Tomer J. Czaczkes %J - %D 2020 %R 10.1098/rsif.2019.0661 %X In order to make effective collective decisions, ants lay pheromone trails to lead nest-mates to acceptable food sources. The strength of a trail informs other ants about the quality of a food sour.. %U https://royalsocietypublishing.org/doi/10.1098/rsif.2019.0661