Now in spring, some of us have a particular craving for ice cream. Picture this: You want to take a walk to your favourite ice cream parlour for the first time after winter. You can probably remember how to get there. How does our brain guide us to such rewarding places? In a study recently published in the journal Nature Communications, researchers from the Leibniz Institute of Neurobiology (LIN) in Magdeburg used state-of-the-art methods to answer this question. They discovered that our brain uses a special code to guide us to places that promise rewards.