The Heidelberg-based company PROMOCELL offers laboratory courses. ALEX BECKER photographed the cover of the new course program 2015. New courses are: Spheroidal Culture, Colony Forming Unit (CFU) Assays, Real Time PCR follow-up course: Gene Expression Analysis, Isoelectrical Focusing in polyacrylamide gel, 2D-Gel Electrophoresis lab course and Western Blot lab course.