Assessing the age of a living tree is straightforward ... like Methuselah are more challenging to count, because the trunks are so distorted that new rings may form at right angles to ones formed ...

To examine growth rings without cutting down or permanently damaging a tree, researchers drill perpendicular to the trunk and ...

Prospect Park Alliance arborist Malcolm Gore counted the rings on a tree stump at the top of a hill in Prospect Park. "I got to 90,” he said. Counting tree rings for age isn’t entirely ...