Explore the benefits of using a worry tree diagram to sort your worries into specific buckets and create a plan for letting them go. Our editors independently select these products. Making a ...

So, you can read a tree diagram like a picture story of evolutionary history. The trunk of the tree is the ancestral line, made up of generation after generation of the same type of organisms.

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 ...