Jean-Christophe Sandoz’s team (Evolbee) work was published in Current Biology. A new social learning was demonstrated in honey bees. A mere social contact without food exchange allows worker bees to describe other worker bees the source of food. This article was distinguished for a dispatch in Current Biology.
To read the article: Social Contact Acts as Appetitive Reinforcement and Supports Associative Learning in Honeybees. Cholé H, Carcaud J, Mazeau H, Famié S, Arnold G, Sandoz JC. Curr Biol. 2019 Apr 8. pii: S0960-9822(19)30323-9. doi: 10.1016/j.cub.2019.03.025. PMID: 30982650