Authors: Leonard Rosen
Maidenhair fern. Image courtesy of George Yatskievych, Missouri Botanical Garden. Fern. Image courtesy of Henry Domke, Nature Art for Healthcare.
http://www.henrydomke.com/
"Stiff" fern and "Schizoid" fern. By Lon Kirschner, Kirschner Cardoff
Design, Inc.
Mathematically generated fern and accompanying equation. Image courtesy
of Larry Bradley.
France [maps]. Stella Maris, "Cartes vectorielles."
http://www.stellamaris-edu.net/cartotheque/europe/france/france.htm France [maps]. "Communes of Metropolitan France." Godefroy. Wikipedia
Creative Commons License.
http://creativecommons.org/licenses/by-sa/3.0/
Metal alloy (Al-Mg-Mn) crystal grains and equation. Created by Slinky
Puppet on 20th Dec 2005 for use in Recrystallization (metallurgical)
article. Wikipedia Creative Commons License.
http://creativecommons.org/licenses/by-sa/3.0/
Cracked sidewalk: Courtesy of Kari Cates.
Electrocardiograms. Reprinted from The Lancet 347.9011, A. L. Goldberger,
"Non-linear dynamics for clinicians: chaos theory, fractals, and
complexity at the bedside." (11 May 1996): 1312–1314, with
permission from Elsevier.
Leaf. Progressive Gardens: Knowledge tree/plant physiology.
www.ProgressiveGardens.com
Québec [map]. By Lon Kirschner, Kirschner Cardoff Design, Inc.
Lightning over Tucson, AZ. Fotolia/valdezrl.
Tree branches. Author photograph.
Hand with arteries. Courtesy of Ashley Davidoff, MD [Image altered to show darkened circle].