Add Yahoo as a preferred source to see more of our stories on Google. Most people are familiar with the notion that "tree rings" — the concentric bands visible on a cross-section of a tree's trunk — ...

Perhaps you’ve wandered through a forest or strolled into a neighborhood park and found tree trunks — and wondered if counting the rings on a trunk is truly a way to know the tree’s age. “Most of us ...

While bright orange or red tree markings might mean a tree is destined for removal, white paint on trees means something entirely different. So, why paint tree trunks white? The roots of this practice ...