CC0 Usage Conditions ApplyClick for more information. The Smithsonian Environmental Research Center (SERC) is turning 60—and we’re celebrating with the help of trees! In this video, we count tree ...
The first thing we can tell from the rings is the age of the tree, simply by counting backwards from the outermost layer, the one laid down most recently. But the rings also vary in width from one ...
We've all heard about counting the rings inside a tree trunk to discover its age. But there are other ways to determine a tree's age without chopping it down.
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