16.02.2005, Hamburg, Hamburg, Germany - A test tube with red liquid. (hand, human hand, hold, holding, test tube, test-tube, testing, test, chemistry, chemical, chemical experiment, experiment, experimenting, reaction, chemical reaction, liquid, red liquid, red, reagent, chemical reagent, laboratory, lab, research, research laboratory, symbol, symbolic, studio shot, science, scientific, scientist, alchemy, vertical) 00W050216D086CAROE.JPG [MODEL RELEASE: YES, PROPERTY RELEASE: NOT APPLICABLE (c) caro images / Westermann, http://www.caro-images.com, [email protected] - In case of using the picture for any non-editorial purpose, please contact the agency - the picture is subject to royalty!]