Too many cooks spoil the broth? Only if they don’t speak the same language! With this as their motto, Prof. Dr. Jürgen Popp and Prof. Dr. Stefan Heinemann from the University of Jena released the first part of a comprehensive Handbook of Biophotonics. Volume 1 of the Handbook of Biophotonics explains the scientific principles behind the interaction between light and matter, making collaboration between the different scientific disciplines in biophotonics easier. [The PDF below contains the full German press release]