Oak has been used as a Quinine substitute in the treatment of fevers. Tannins provide many of the healing properties of oak. Tannins bind with proteins in tissues, making a barrier resistant to bacterial invasion. Tannins strengthen tissues and blood vessels.
The opposite term Occident derives from the Latin word occidens, meaning west (lit. setting < occido fall/set). This term meant the west (where the sun sets) but has fallen into disuse in English, in favor of Western world.
We call them Fraccidents. The symbols represent some of the fraccidents related to the oil and gas drilling rush, overlayed on areas of potential fracking and active/proposed fracking. Shale basin and plays geographic data were retrieved from the U.S. Energy Information Administration and were current as of May 9, 2011. Information on fraccidents were compiled from the source(s) cited with each fraccident.