Most people are familiar with the notion that "tree rings" — the concentric bands visible on a cross-section of a tree's trunk — serve as an indicator of a tree's age. Researchers at the University of ...

ANGHI / Getty Images/iStockphoto Q: I have a spruce tree that used to be perfectly shaped. The very top of the tree trunk has been broken off. I think a hawk that stays in our area tried to perch on ...

With trees, as with elephants and in swimming, trunks are important. They’re part of trees’ beauty, strength, majesty, and mystique. We have things to discuss. Like people, trunks come in all shapes ...