16.02.2005, Hamburg, Hamburg, Germany - Test tubes with liquid. (hands, hold, holding, test glasses, test tubes, test-tubes, liquid, fluid, chemicals, color, colour, colorful, colourful, blue, chemistry, chemical, laboratory, lab, research laboratory, test, testing, experiment, experimenting, research, researching, science, scientific, symbol, symbolic, symbolical, studio shot, white, background, white background, pouring, pour, flowing, flow, vertical) 00W050216D095CAROE.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!]