A popular theory about how trees cooperate has enchanted the public and raised the profile of forest conservation. But some ecologists think its scientific basis has been oversold. A popular theory about how trees cooperate has enchanted the public and raised the profile of forest conservation. But some ecologists think its scientific basis has been oversold.
ustine Karst, a mycologist at the University of Alberta, feared things had gone too far when her son got home from eighth grade and told her he had learned that trees could talk to each other through underground networks.