Wood burning, which goes by pyrography when it’s feeling fancy, has been an art form for centuries ... the voids really brings out the fractal nature of the Lichtenberg figures.

The math concept hidden in this tree art — geometric shapes known as fractals — is apparent in branching patterns in nature and may be key to humans’ ability to recognize such artwork as ...

Blood vessels in tumors regressing after hormone removal had the notable characteristics of not only reducing their overall density but also returning to fractal scaling and function similar to ...