Can understanding cooperation lead to higher-yield crops?

The Scientist “The Evolution of Cooperation”

Starting with the title, this short article is not bringing anything all that new to the existing literature on how cooperation evolves. But once I realized that this piece was really about the direction of Denison’s research on rhizobia, the rest of the basic background made a lot more sense to me. It is fascinating to wonder whether we can engineer better symbiont sanctioning in plants that host nitrogen-fixing bacteria.