Read the blog post by Hilary, Yanyan and Kevin on Nature’s eco and evo community. Here’s the link to the original paper:
Spatial-temporal dynamics of a microbial cooperative behavior resistant to cheating.
Hilary Monaco, Kevin S. Liu, Tiago Sereno, Maxime Deforet, Bradford P. Taylor, Yanyan Chen, Caleb C. Reagor & Joao B. Xavier. Nature Communications [open access]