The tree diagram, in particular, has its roots in the Middle Ages. “In Medieval Europe, 800 years ago, visual communication was critical,” Lima says, drawing from his book, which examines the ...

This handsome drone from Swiss researchers makes finding traces of local creatures from tree limbs safer ... or scrape the sides of trees, high-up limbs ... the tree. Diagram from the paper ...

AUSTIN, Texas — Many Central Texans are cleaning up downed trees and limbs after last week's winter storms. If you have a damaged tree near your home, Austin Tree Experts says you should take ...