Pando is an ancient quaking aspen tree (Populus tremuloides) with 47,000 genetically identical stems, or tree trunks, connected to a vast underground root system. Each stem is a clone of the one ...

But there's much more information to be gleaned from growth rings than simply a tree's age. This information comes to us through the science of dendrochronology. Tree rings can reveal more than ...

Every tree in Pando is genetically identical, sharing DNA from a root system that has been growing and regenerating for tens of thousands of years beneath the forest floor. Named after the Latin ...

Tree rings can reveal more than just a tree's age. The basis of dendrochronology lies in a tree's unique pattern of growth rings. The rings form a kind of fingerprint—actually, with its ...