image: Networks of arbuscular mycorrhizal fungi connect roots of plant hosts, forming complex markets to trade nutrients. This image relates to an article that appeared in the Aug. 12, 2011, issue of Science, published by AAAS. The study, by Dr. E. Toby Kiers of Vrije Universiteit in Amsterdam, Netherlands, and colleagues was titled, "Reciprocal Rewards Stabilize Cooperation in the Mycorrhizal Symbiosis." view more
Credit: Image © Dana Hamers Scientific Art