Science in School is the European journal for science teachers. It covers not only biology, physics and chemistry, but also earth sciences, engineering and medicine, highlighting the best in teaching and cutting-edge research, and focusing on interdisciplinary work. The contents include teaching materials, recent discoveries in science, and much more. Science in School is freely available. Online articles are published in many European languages. To subscribe, learn more about the journal or read all our articles, see: www.scienceinschool.org