Researchers found a hidden mathematical rule in tree-like art. Branch thickness follows a predictable ratio, making trees recognizable.

Need help finding an ISA-certified arborist? The society’s website is set up to help you. On the home page there is a ...

Yet only “Gray Tree” has scale-invariant branch diameters. When Mondrian removes the scale invariance in “Blooming Apple Tree ...

The scale invariance in branch diameter dictates how much smaller a limb should be as it branches and how much investment a ...

Here's how to identify the insects eating your garden leaves by the evidence they leave behind. If leafcutter bees are ...