out trees aren't only clever when it comes to caringBufor themselves. They also support each other wheneverthere's trouble by giving warnings and even taking careof sick and weak conspecifics with nutrients. Forexample, one time the author found a very old treestump. Its insides had rotted a long time ago to topsoil.But the wood on the outside of the stump was still living. iHow was this possible? Well, the stump was nourished,