Content: Five years of advice for policymakers and society: President Jörg Hacker on the Leopoldina’s five-year jubilee as the German National Academy of Sciences

• Preview of Annual Assembly 2013 and interview with Nobel prize laureate Daniel Kahneman
• The Leopoldina signs Memorandum of Understanding with Academy of Science of South Africa
• Vaccination offers new hope for treating cancer – Class III Symposium
• Modern Vaccination Strategies symposium with Nobel prize laureates Harald zur Hausen and Jules Hoffmann