Seas and oceans are the planet’s largest natural habitat. Covering roughly 70 percent of the Earth’s surface, they are home to countless species. Many researchers all over Germany are working to protect our seas and oceans. In this edition we present a number of exciting ideas and projects. You can also read why a young mathematician is so enthusiastic about researching in Germany, learn about current funding programmes, discover our number of the month and find out how fat can help us lose weight.