Galvani, Luigi. "Wikimedia Commons." Last modified 08/16/2007. Accessed November 21, 2011. http://commons.wikimedia.org/wiki/File:Luigi_Galvani_Experiment.jpeg

Galvani, in an experiment designed to explore the response of animal tissue to electric charges, produces unexpected results:

Winterhalder, Louis. "Wikimedia Commons." Last modified 1902. Accessed November 21, 2011. http://commons.wikimedia.org/wiki/File:Picayune_Frog_Waiter_1902.jpg.
-Niko