What makes a memory, with Jonathan Crystal (0:00) (Special issue on memory from Current Biology). The birth of the Protein Data Bank, which has facilitated structural biology research around the globe, with Helen Berman (7:55) (20th anniversary special edition of Structure). How the evolutionary strategies of bacteria are influenced by the surfaces that they live on, with Dave van Ditmarsch and Joao Xavier (14:35) (Cell Reports). Plus, sample a selection of the hottest new papers from Cell Press (24:00).