The Economist -
25 Jun 2015 16:48

Your friendly, neighbourhood muckspreaders A HOLLOW tree, you might reasonably suspect, is a dying tree. But often that is not the case, especially in the tropics. Lots of trees in tropical forests remain alive long after their cores have rotted away--a tribute, it would seem, to their resilience. However, hollow trees are so common that a thoughtful ecologist might wonder if there were more to it than mere cussedness in the face of adversity. Perhaps hollowness is actually an arboreal advantage...
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